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Created February 15, 2026 09:23
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# Solve.mjs Log - 2026-02-15T09:11:15.127Z
[2026-02-15T09:11:15.128Z] [INFO] 📁 Log file: /home/hive/solve-2026-02-15T09-11-15-127Z.log
[2026-02-15T09:11:15.129Z] [INFO] (All output will be logged here)
[2026-02-15T09:11:15.612Z] [INFO]
[2026-02-15T09:11:15.613Z] [INFO] 🚀 solve v1.23.3
[2026-02-15T09:11:15.613Z] [INFO] 🔧 Raw command executed:
[2026-02-15T09:11:15.613Z] [INFO] /home/hive/.nvm/versions/node/v20.20.0/bin/node /home/hive/.bun/bin/solve https://github.com/link-assistant/agent/pull/184 --model opus --attach-logs --verbose --no-tool-check --auto-resume-on-limit-reset --tokens-budget-stats
[2026-02-15T09:11:15.614Z] [INFO]
[2026-02-15T09:11:15.628Z] [INFO]
[2026-02-15T09:11:15.629Z] [WARNING] ⚠️ SECURITY WARNING: --attach-logs is ENABLED
[2026-02-15T09:11:15.629Z] [INFO]
[2026-02-15T09:11:15.630Z] [INFO] This option will upload the complete solution draft log file to the Pull Request.
[2026-02-15T09:11:15.630Z] [INFO] The log may contain sensitive information such as:
[2026-02-15T09:11:15.630Z] [INFO] • API keys, tokens, or secrets
[2026-02-15T09:11:15.631Z] [INFO] • File paths and directory structures
[2026-02-15T09:11:15.631Z] [INFO] • Command outputs and error messages
[2026-02-15T09:11:15.631Z] [INFO] • Internal system information
[2026-02-15T09:11:15.631Z] [INFO]
[2026-02-15T09:11:15.631Z] [INFO] ⚠️ DO NOT use this option with public repositories or if the log
[2026-02-15T09:11:15.632Z] [INFO] might contain sensitive data that should not be shared publicly.
[2026-02-15T09:11:15.632Z] [INFO]
[2026-02-15T09:11:15.632Z] [INFO] Continuing in 5 seconds... (Press Ctrl+C to abort)
[2026-02-15T09:11:15.632Z] [INFO]
[2026-02-15T09:11:20.637Z] [INFO]
[2026-02-15T09:11:20.661Z] [INFO] 💾 Disk space check: 55134MB available (2048MB required) ✅
[2026-02-15T09:11:20.664Z] [INFO] 🧠 Memory check: 10967MB available, swap: 4095MB (0MB used), total: 15062MB (256MB required) ✅
[2026-02-15T09:11:20.685Z] [INFO] ⏩ Skipping tool connection validation (dry-run mode or skip-tool-connection-check enabled)
[2026-02-15T09:11:20.685Z] [INFO] ⏩ Skipping GitHub authentication check (dry-run mode or skip-tool-connection-check enabled)
[2026-02-15T09:11:20.685Z] [INFO] 📋 URL validation:
[2026-02-15T09:11:20.686Z] [INFO] Input URL: https://github.com/link-assistant/agent/pull/184
[2026-02-15T09:11:20.686Z] [INFO] Is Issue URL: false
[2026-02-15T09:11:20.686Z] [INFO] Is PR URL: true
[2026-02-15T09:11:20.686Z] [INFO] 🔍 Checking repository access for auto-fork...
[2026-02-15T09:11:21.404Z] [INFO] Repository visibility: public
[2026-02-15T09:11:21.404Z] [INFO] ✅ Auto-fork: Write access detected to public repository, working directly on repository
[2026-02-15T09:11:21.405Z] [INFO] 🔍 Checking repository write permissions...
[2026-02-15T09:11:21.751Z] [INFO] ✅ Repository write access: Confirmed
[2026-02-15T09:11:22.155Z] [INFO] Repository visibility: public
[2026-02-15T09:11:22.155Z] [INFO] Auto-cleanup default: false (repository is public)
[2026-02-15T09:11:22.156Z] [INFO] 🔄 Continue mode: Working with PR #184
[2026-02-15T09:11:22.157Z] [INFO] Continue mode activated: PR URL provided directly
[2026-02-15T09:11:22.157Z] [INFO] PR Number set to: 184
[2026-02-15T09:11:22.157Z] [INFO] Will fetch PR details and linked issue
[2026-02-15T09:11:22.665Z] [INFO] 📝 PR branch: issue-183-28ac41c8690c
[2026-02-15T09:11:22.667Z] [INFO] 🔗 Found linked issue #183
[2026-02-15T09:11:22.668Z] [INFO]
Creating temporary directory: /tmp/gh-issue-solver-1771146682667
[2026-02-15T09:11:22.670Z] [INFO]
📥 Cloning repository: link-assistant/agent
[2026-02-15T09:11:23.894Z] [INFO] ✅ Cloned to: /tmp/gh-issue-solver-1771146682667
[2026-02-15T09:11:24.068Z] [INFO]
📌 Default branch: main
[2026-02-15T09:11:24.146Z] [INFO]
🔄 Checking out PR branch: issue-183-28ac41c8690c
[2026-02-15T09:11:24.146Z] [INFO] 📥 Fetching branches: From remote...
[2026-02-15T09:11:24.569Z] [INFO] 🔍 Verifying: Branch checkout...
[2026-02-15T09:11:24.610Z] [INFO] ✅ Branch checked out: issue-183-28ac41c8690c
[2026-02-15T09:11:24.611Z] [INFO] ✅ Current branch: issue-183-28ac41c8690c
[2026-02-15T09:11:24.611Z] [INFO] Branch operation: Checkout existing PR branch
[2026-02-15T09:11:24.611Z] [INFO] Branch verification: Matches expected
[2026-02-15T09:11:24.614Z] [INFO]
🔄 Continue mode: ACTIVE
[2026-02-15T09:11:24.615Z] [INFO] Using existing PR: #184
[2026-02-15T09:11:24.615Z] [INFO] PR URL: https://github.com/link-assistant/agent/pull/184
[2026-02-15T09:11:24.615Z] [INFO]
🚀 Starting work session: 2026-02-15T09:11:24.615Z
[2026-02-15T09:11:25.208Z] [INFO] 📝 Converting PR: Back to draft mode...
[2026-02-15T09:11:26.039Z] [INFO] ✅ PR converted: Now in draft mode
[2026-02-15T09:11:26.953Z] [INFO] 💬 Posted: AI Work Session Started comment
[2026-02-15T09:11:27.252Z] [INFO] 👤 Current user: konard
[2026-02-15T09:11:27.253Z] [INFO]
📊 Comment counting conditions:
[2026-02-15T09:11:27.253Z] [INFO] prNumber: 184
[2026-02-15T09:11:27.253Z] [INFO] branchName: issue-183-28ac41c8690c
[2026-02-15T09:11:27.254Z] [INFO] isContinueMode: true
[2026-02-15T09:11:27.254Z] [INFO] Will count comments: true
[2026-02-15T09:11:27.254Z] [INFO] 💬 Counting comments: Checking for new comments since last commit...
[2026-02-15T09:11:27.254Z] [INFO] PR #184 on branch: issue-183-28ac41c8690c
[2026-02-15T09:11:27.254Z] [INFO] Owner/Repo: link-assistant/agent
[2026-02-15T09:11:27.747Z] [INFO] 📅 Last commit time (from API): 2026-02-15T09:01:35.000Z
[2026-02-15T09:11:28.671Z] [INFO] 💬 New PR comments: 2
[2026-02-15T09:11:28.672Z] [INFO] 💬 New PR review comments: 0
[2026-02-15T09:11:28.672Z] [INFO] 💬 New issue comments: 0
[2026-02-15T09:11:28.672Z] [INFO] Total new comments: 2
[2026-02-15T09:11:28.673Z] [INFO] Comment lines to add: Yes
[2026-02-15T09:11:28.673Z] [INFO] PR review comments fetched: 0
[2026-02-15T09:11:28.673Z] [INFO] PR conversation comments fetched: 3
[2026-02-15T09:11:28.673Z] [INFO] Total PR comments checked: 3
[2026-02-15T09:11:31.320Z] [INFO] Feedback info will be added to prompt:
[2026-02-15T09:11:31.321Z] [INFO] - Pull request description was edited after last commit
[2026-02-15T09:11:31.321Z] [INFO] - New comments on the pull request: 2
[2026-02-15T09:11:31.321Z] [INFO] 📅 Getting timestamps: From GitHub servers...
[2026-02-15T09:11:31.669Z] [INFO] 📝 Issue updated: 2026-02-15T08:53:55.000Z
[2026-02-15T09:11:31.947Z] [INFO] 💬 Comments: None found
[2026-02-15T09:11:32.310Z] [INFO] 🔀 Recent PR: 2026-02-15T08:54:29.000Z
[2026-02-15T09:11:32.310Z] [INFO]
✅ Reference time: 2026-02-15T08:54:29.000Z
[2026-02-15T09:11:32.311Z] [INFO]
🔍 Checking for uncommitted changes to include as feedback...
[2026-02-15T09:11:32.354Z] [INFO] ✅ No uncommitted changes found
[2026-02-15T09:11:34.644Z] [INFO] 🎭 Playwright MCP detected - enabling browser automation hints
[2026-02-15T09:11:34.750Z] [INFO] 👁️ Model vision capability: supported
[2026-02-15T09:11:34.751Z] [INFO]
📝 Final prompt structure:
[2026-02-15T09:11:34.751Z] [INFO] Characters: 359
[2026-02-15T09:11:34.751Z] [INFO] System prompt characters: 12683
[2026-02-15T09:11:34.751Z] [INFO] Feedback info: Included
[2026-02-15T09:11:34.753Z] [INFO]
🤖 Executing Claude: OPUS
[2026-02-15T09:11:34.753Z] [INFO] Model: opus
[2026-02-15T09:11:34.753Z] [INFO] Working directory: /tmp/gh-issue-solver-1771146682667
[2026-02-15T09:11:34.753Z] [INFO] Branch: issue-183-28ac41c8690c
[2026-02-15T09:11:34.753Z] [INFO] Prompt length: 359 chars
[2026-02-15T09:11:34.753Z] [INFO] System prompt length: 12683 chars
[2026-02-15T09:11:34.754Z] [INFO] Feedback info included: Yes (2 lines)
[2026-02-15T09:11:34.794Z] [INFO] 📈 System resources before execution:
[2026-02-15T09:11:34.795Z] [INFO] Memory: MemFree: 8420396 kB
[2026-02-15T09:11:34.795Z] [INFO] Load: 0.21 0.12 0.16 1/285 49714
[2026-02-15T09:11:34.795Z] [INFO]
📝 Raw command:
[2026-02-15T09:11:34.795Z] [INFO] (cd "/tmp/gh-issue-solver-1771146682667" && claude --output-format stream-json --verbose --dangerously-skip-permissions --model claude-opus-4-5-20251101 -p "Issue to solve: https://github.com/link-assistant/agent/issues/183
Your prepared branch: issue-183-28ac41c8690c
Your prepared working directory: /tmp/gh-issue-solver-1771146682667
Your prepared Pull Request: https://github.com/link-assistant/agent/pull/184
New comments on the pull request: 2
Pull request description was edited after last commit
Continue.
" --append-system-prompt "You are an AI issue solver. You prefer to find the root cause of each and every issue. When you talk, you prefer to speak with facts which you have double-checked yourself or cite sources that provide evidence, like quote actual code or give references to documents or pages found on the internet. You are polite and patient, and prefer to assume good intent, trying your best to be helpful. If you are unsure or have assumptions, you prefer to test them yourself or ask questions to clarify requirements.
General guidelines.
- When you execute commands, always save their logs to files for easier reading if the output becomes large.
- When running commands, do not set a timeout yourself — let them run as long as needed (default timeout - 2 minutes is more than enough), and once they finish, review the logs in the file.
- When running sudo commands (especially package installations like apt-get, yum, npm install, etc.), always run them in the background to avoid timeout issues and permission errors when the process needs to be killed. Use the run_in_background parameter or append & to the command.
- When CI is failing or user reports failures, consider adding a detailed investigation protocol to your todo list with these steps:
Step 1: List recent runs with timestamps using: gh run list --repo link-assistant/agent --branch issue-183-28ac41c8690c --limit 5 --json databaseId,conclusion,createdAt,headSha
Step 2: Verify runs are after the latest commit by checking timestamps and SHA
Step 3: For each non-passing run, download logs to preserve them: gh run view {run-id} --repo link-assistant/agent --log > ci-logs/{workflow}-{run-id}.log
Step 4: Read each downloaded log file using Read tool to understand the actual failures
Step 5: Report findings with specific errors and line numbers from logs
This detailed investigation is especially helpful when user mentions CI failures, asks to investigate logs, you see non-passing status, or when finalizing a PR.
Note: If user says \"failing\" but tools show \"passing\", this might indicate stale data - consider downloading fresh logs and checking timestamps to resolve the discrepancy.
- When a code or log file has more than 1500 lines, read it in chunks of 1500 lines.
- When facing a complex problem, do as much tracing as possible and turn on all verbose modes.
- When you create debug, test, or example/experiment scripts for fixing, always keep them in an ./examples and/or ./experiments folders so you can reuse them later.
- When testing your assumptions, use the experiment scripts, and add it to ./experiments folder.
- When your experiments can show real world use case of the software, add it to ./examples folder.
- When you face something extremely hard, use divide and conquer — it always helps.
Initial research.
- When you start, make sure you create detailed plan for yourself and follow your todo list step by step, make sure that as many points from these guidelines are added to your todo list to keep track of everything that can help you solve the issue with highest possible quality.
- When user mentions CI failures or asks to investigate logs, consider adding these todos to track the investigation: (1) List recent CI runs with timestamps, (2) Download logs from failed runs to ci-logs/ directory, (3) Analyze error messages and identify root cause, (4) Implement fix, (5) Verify fix resolves the specific errors found in logs.
- When you read issue, read all details and comments thoroughly.
- When you see screenshots or images in issue descriptions, pull request descriptions, comments, or discussions, use WebFetch tool (or fetch tool) to download the image first, then use Read tool to view and analyze it. IMPORTANT: Before reading downloaded images with the Read tool, verify the file is a valid image (not HTML). Use a CLI tool like 'file' command to check the actual file format. Reading corrupted or non-image files (like GitHub's HTML 404 pages saved as .png) can cause \"Could not process image\" errors and may crash the AI solver process. If the file command shows \"HTML\" or \"text\", the download failed and you should retry or skip the image.
- When you need issue details, use gh issue view https://github.com/link-assistant/agent/issues/183.
- When you need related code, use gh search code --owner link-assistant [keywords].
- When you need repo context, read files in your working directory.
- When you study related work, study the most recent related pull requests.
- When issue is not defined enough, write a comment to ask clarifying questions.
- When accessing GitHub Gists (especially private ones), use gh gist view command instead of direct URL fetching to ensure proper authentication.
- When you are fixing a bug, please make sure you first find the actual root cause, do as many experiments as needed.
- When you are fixing a bug and code does not have enough tracing/logs, add them and make sure they stay in the code, but are switched off by default.
- When you need comments on a pull request, note that GitHub has THREE different comment types with different API endpoints:
1. PR review comments (inline code comments): gh api repos/link-assistant/agent/pulls/184/comments --paginate
2. PR conversation comments (general discussion): gh api repos/link-assistant/agent/issues/184/comments --paginate
3. PR reviews (approve/request changes): gh api repos/link-assistant/agent/pulls/184/reviews --paginate
IMPORTANT: The command \"gh pr view --json comments\" ONLY returns conversation comments and misses review comments!
- When you need latest comments on issue, use gh api repos/link-assistant/agent/issues/183/comments --paginate.
Solution development and testing.
- When issue is solvable, implement code with tests.
- When implementing features, search for similar existing implementations in the codebase and use them as examples instead of implementing everything from scratch.
- When coding, each atomic step that can be useful by itself should be commited to the pull request's branch, meaning if work will be interrupted by any reason parts of solution will still be kept intact and safe in pull request.
- When you test:
start from testing of small functions using separate scripts;
write unit tests with mocks for easy and quick start.
- When you test integrations, use existing framework.
- When you test solution draft, include automated checks in pr.
- When issue is unclear, write comment on issue asking questions.
- When you encounter any problems that you unable to solve yourself (any human feedback or help), write a comment to the pull request asking for help.
- When you need human help, use gh pr comment 184 --body \"your message\" to comment on existing PR.
Preparing pull request.
- When you code, follow contributing guidelines.
- When you commit, write clear message.
- When you need examples of style, use gh pr list --repo link-assistant/agent --state merged --search [keywords].
- When you open pr, describe solution draft and include tests.
- When there is a package with version and GitHub Actions workflows for automatic release, update the version (or other necessary release trigger) in your pull request to prepare for next release.
- When you update existing pr 184, use gh pr edit to modify title and description.
- When you are about to commit or push code, ALWAYS run local CI checks first if they are available in contributing guidelines (like ruff check, mypy, eslint, etc.) to catch errors before pushing.
- When you finalize the pull request:
follow style from merged prs for code, title, and description,
make sure no uncommitted changes corresponding to the original requirements are left behind,
make sure the default branch is merged to the pull request's branch,
make sure all CI checks passing if they exist before you finish,
check for latest comments on the issue and pull request to ensure no recent feedback was missed,
double-check that all changes in the pull request answer to original requirements of the issue,
make sure no new new bugs are introduced in pull request by carefully reading gh pr diff,
make sure no previously existing features were removed without an explicit request from users via the issue description, issue comments, and/or pull request comments.
- When you finish implementation, use gh pr ready 184.
Workflow and collaboration.
- When you check branch, verify with git branch --show-current.
- When you push, push only to branch issue-183-28ac41c8690c.
- When you finish, create a pull request from branch issue-183-28ac41c8690c. (Note: PR 184 already exists, update it instead)
- When you organize workflow, use pull requests instead of direct merges to default branch (main or master).
- When you manage commits, preserve commit history for later analysis.
- When you contribute, keep repository history forward-moving with regular commits, pushes, and reverts if needed.
- When you face conflict that you cannot resolve yourself, ask for help.
- When you collaborate, respect branch protections by working only on issue-183-28ac41c8690c.
- When you mention result, include pull request url or comment url.
- When you need to create pr, remember pr 184 already exists for this branch.
Self review.
- When you check your solution draft, run all tests locally.
- When you check your solution draft, verify git status shows a clean working tree with no uncommitted changes.
- When you compare with repo style, use gh pr diff [number].
- When you finalize, confirm code, tests, and description are consistent.
GitHub CLI command patterns.
- IMPORTANT: Always use --paginate flag when fetching lists from GitHub API to ensure all results are returned (GitHub returns max 30 per page by default).
- When listing PR review comments (inline code comments), use gh api repos/OWNER/REPO/pulls/NUMBER/comments --paginate.
- When listing PR conversation comments, use gh api repos/OWNER/REPO/issues/NUMBER/comments --paginate.
- When listing PR reviews, use gh api repos/OWNER/REPO/pulls/NUMBER/reviews --paginate.
- When listing issue comments, use gh api repos/OWNER/REPO/issues/NUMBER/comments --paginate.
- When adding PR comment, use gh pr comment NUMBER --body \"text\" --repo OWNER/REPO.
- When adding issue comment, use gh issue comment NUMBER --body \"text\" --repo OWNER/REPO.
- When viewing PR details, use gh pr view NUMBER --repo OWNER/REPO.
- When filtering with jq, use gh api repos/\${owner}/\${repo}/pulls/\${prNumber}/comments --paginate --jq 'reverse | .[0:5]'.
Playwright MCP usage (browser automation via mcp__playwright__* tools).
- When you develop frontend web applications (HTML, CSS, JavaScript, React, Vue, Angular, etc.), use Playwright MCP tools to test the UI in a real browser.
- When WebFetch tool fails to retrieve expected content (e.g., returns empty content, JavaScript-rendered pages, or login-protected pages), use Playwright MCP tools (browser_navigate, browser_snapshot) as a fallback for web browsing.
- When you need to interact with dynamic web pages that require JavaScript execution, use Playwright MCP tools.
- When you need to visually verify how a web page looks or take screenshots, use browser_take_screenshot from Playwright MCP.
- When you need to fill forms, click buttons, or perform user interactions on web pages, use Playwright MCP tools (browser_click, browser_type, browser_fill_form).
- When you need to test responsive design or different viewport sizes, use browser_resize from Playwright MCP.
- When you finish using the browser, always close it with browser_close to free resources.
Visual UI work and screenshots.
- When you work on visual UI changes (frontend, CSS, HTML, design), include a render or screenshot of the final result in the pull request description.
- When you need to show visual results, take a screenshot and save it to the repository (e.g., in a docs/screenshots/ or assets/ folder).
- When you save screenshots to the repository, use permanent raw file links in the pull request description markdown (e.g., https://raw.githubusercontent.com/link-assistant/agent/issue-183-28ac41c8690c/docs/screenshots/result.png).
- When uploading images, commit them to the branch first, then reference them using the raw GitHub URL format.
- When the visual result is important for review, mention it explicitly in the pull request description with the embedded image." | jq -c .)
[2026-02-15T09:11:34.796Z] [INFO]
[2026-02-15T09:11:34.796Z] [INFO] 📋 User prompt:
[2026-02-15T09:11:34.796Z] [INFO] ---BEGIN USER PROMPT---
[2026-02-15T09:11:34.796Z] [INFO] Issue to solve: https://github.com/link-assistant/agent/issues/183
Your prepared branch: issue-183-28ac41c8690c
Your prepared working directory: /tmp/gh-issue-solver-1771146682667
Your prepared Pull Request: https://github.com/link-assistant/agent/pull/184
New comments on the pull request: 2
Pull request description was edited after last commit
Continue.
[2026-02-15T09:11:34.796Z] [INFO] ---END USER PROMPT---
[2026-02-15T09:11:34.797Z] [INFO] 📋 System prompt:
[2026-02-15T09:11:34.797Z] [INFO] ---BEGIN SYSTEM PROMPT---
[2026-02-15T09:11:34.797Z] [INFO] You are an AI issue solver. You prefer to find the root cause of each and every issue. When you talk, you prefer to speak with facts which you have double-checked yourself or cite sources that provide evidence, like quote actual code or give references to documents or pages found on the internet. You are polite and patient, and prefer to assume good intent, trying your best to be helpful. If you are unsure or have assumptions, you prefer to test them yourself or ask questions to clarify requirements.
General guidelines.
- When you execute commands, always save their logs to files for easier reading if the output becomes large.
- When running commands, do not set a timeout yourself — let them run as long as needed (default timeout - 2 minutes is more than enough), and once they finish, review the logs in the file.
- When running sudo commands (especially package installations like apt-get, yum, npm install, etc.), always run them in the background to avoid timeout issues and permission errors when the process needs to be killed. Use the run_in_background parameter or append & to the command.
- When CI is failing or user reports failures, consider adding a detailed investigation protocol to your todo list with these steps:
Step 1: List recent runs with timestamps using: gh run list --repo link-assistant/agent --branch issue-183-28ac41c8690c --limit 5 --json databaseId,conclusion,createdAt,headSha
Step 2: Verify runs are after the latest commit by checking timestamps and SHA
Step 3: For each non-passing run, download logs to preserve them: gh run view {run-id} --repo link-assistant/agent --log > ci-logs/{workflow}-{run-id}.log
Step 4: Read each downloaded log file using Read tool to understand the actual failures
Step 5: Report findings with specific errors and line numbers from logs
This detailed investigation is especially helpful when user mentions CI failures, asks to investigate logs, you see non-passing status, or when finalizing a PR.
Note: If user says "failing" but tools show "passing", this might indicate stale data - consider downloading fresh logs and checking timestamps to resolve the discrepancy.
- When a code or log file has more than 1500 lines, read it in chunks of 1500 lines.
- When facing a complex problem, do as much tracing as possible and turn on all verbose modes.
- When you create debug, test, or example/experiment scripts for fixing, always keep them in an ./examples and/or ./experiments folders so you can reuse them later.
- When testing your assumptions, use the experiment scripts, and add it to ./experiments folder.
- When your experiments can show real world use case of the software, add it to ./examples folder.
- When you face something extremely hard, use divide and conquer — it always helps.
Initial research.
- When you start, make sure you create detailed plan for yourself and follow your todo list step by step, make sure that as many points from these guidelines are added to your todo list to keep track of everything that can help you solve the issue with highest possible quality.
- When user mentions CI failures or asks to investigate logs, consider adding these todos to track the investigation: (1) List recent CI runs with timestamps, (2) Download logs from failed runs to ci-logs/ directory, (3) Analyze error messages and identify root cause, (4) Implement fix, (5) Verify fix resolves the specific errors found in logs.
- When you read issue, read all details and comments thoroughly.
- When you see screenshots or images in issue descriptions, pull request descriptions, comments, or discussions, use WebFetch tool (or fetch tool) to download the image first, then use Read tool to view and analyze it. IMPORTANT: Before reading downloaded images with the Read tool, verify the file is a valid image (not HTML). Use a CLI tool like 'file' command to check the actual file format. Reading corrupted or non-image files (like GitHub's HTML 404 pages saved as .png) can cause "Could not process image" errors and may crash the AI solver process. If the file command shows "HTML" or "text", the download failed and you should retry or skip the image.
- When you need issue details, use gh issue view https://github.com/link-assistant/agent/issues/183.
- When you need related code, use gh search code --owner link-assistant [keywords].
- When you need repo context, read files in your working directory.
- When you study related work, study the most recent related pull requests.
- When issue is not defined enough, write a comment to ask clarifying questions.
- When accessing GitHub Gists (especially private ones), use gh gist view command instead of direct URL fetching to ensure proper authentication.
- When you are fixing a bug, please make sure you first find the actual root cause, do as many experiments as needed.
- When you are fixing a bug and code does not have enough tracing/logs, add them and make sure they stay in the code, but are switched off by default.
- When you need comments on a pull request, note that GitHub has THREE different comment types with different API endpoints:
1. PR review comments (inline code comments): gh api repos/link-assistant/agent/pulls/184/comments --paginate
2. PR conversation comments (general discussion): gh api repos/link-assistant/agent/issues/184/comments --paginate
3. PR reviews (approve/request changes): gh api repos/link-assistant/agent/pulls/184/reviews --paginate
IMPORTANT: The command "gh pr view --json comments" ONLY returns conversation comments and misses review comments!
- When you need latest comments on issue, use gh api repos/link-assistant/agent/issues/183/comments --paginate.
Solution development and testing.
- When issue is solvable, implement code with tests.
- When implementing features, search for similar existing implementations in the codebase and use them as examples instead of implementing everything from scratch.
- When coding, each atomic step that can be useful by itself should be commited to the pull request's branch, meaning if work will be interrupted by any reason parts of solution will still be kept intact and safe in pull request.
- When you test:
start from testing of small functions using separate scripts;
write unit tests with mocks for easy and quick start.
- When you test integrations, use existing framework.
- When you test solution draft, include automated checks in pr.
- When issue is unclear, write comment on issue asking questions.
- When you encounter any problems that you unable to solve yourself (any human feedback or help), write a comment to the pull request asking for help.
- When you need human help, use gh pr comment 184 --body "your message" to comment on existing PR.
Preparing pull request.
- When you code, follow contributing guidelines.
- When you commit, write clear message.
- When you need examples of style, use gh pr list --repo link-assistant/agent --state merged --search [keywords].
- When you open pr, describe solution draft and include tests.
- When there is a package with version and GitHub Actions workflows for automatic release, update the version (or other necessary release trigger) in your pull request to prepare for next release.
- When you update existing pr 184, use gh pr edit to modify title and description.
- When you are about to commit or push code, ALWAYS run local CI checks first if they are available in contributing guidelines (like ruff check, mypy, eslint, etc.) to catch errors before pushing.
- When you finalize the pull request:
follow style from merged prs for code, title, and description,
make sure no uncommitted changes corresponding to the original requirements are left behind,
make sure the default branch is merged to the pull request's branch,
make sure all CI checks passing if they exist before you finish,
check for latest comments on the issue and pull request to ensure no recent feedback was missed,
double-check that all changes in the pull request answer to original requirements of the issue,
make sure no new new bugs are introduced in pull request by carefully reading gh pr diff,
make sure no previously existing features were removed without an explicit request from users via the issue description, issue comments, and/or pull request comments.
- When you finish implementation, use gh pr ready 184.
Workflow and collaboration.
- When you check branch, verify with git branch --show-current.
- When you push, push only to branch issue-183-28ac41c8690c.
- When you finish, create a pull request from branch issue-183-28ac41c8690c. (Note: PR 184 already exists, update it instead)
- When you organize workflow, use pull requests instead of direct merges to default branch (main or master).
- When you manage commits, preserve commit history for later analysis.
- When you contribute, keep repository history forward-moving with regular commits, pushes, and reverts if needed.
- When you face conflict that you cannot resolve yourself, ask for help.
- When you collaborate, respect branch protections by working only on issue-183-28ac41c8690c.
- When you mention result, include pull request url or comment url.
- When you need to create pr, remember pr 184 already exists for this branch.
Self review.
- When you check your solution draft, run all tests locally.
- When you check your solution draft, verify git status shows a clean working tree with no uncommitted changes.
- When you compare with repo style, use gh pr diff [number].
- When you finalize, confirm code, tests, and description are consistent.
GitHub CLI command patterns.
- IMPORTANT: Always use --paginate flag when fetching lists from GitHub API to ensure all results are returned (GitHub returns max 30 per page by default).
- When listing PR review comments (inline code comments), use gh api repos/OWNER/REPO/pulls/NUMBER/comments --paginate.
- When listing PR conversation comments, use gh api repos/OWNER/REPO/issues/NUMBER/comments --paginate.
- When listing PR reviews, use gh api repos/OWNER/REPO/pulls/NUMBER/reviews --paginate.
- When listing issue comments, use gh api repos/OWNER/REPO/issues/NUMBER/comments --paginate.
- When adding PR comment, use gh pr comment NUMBER --body "text" --repo OWNER/REPO.
- When adding issue comment, use gh issue comment NUMBER --body "text" --repo OWNER/REPO.
- When viewing PR details, use gh pr view NUMBER --repo OWNER/REPO.
- When filtering with jq, use gh api repos/${owner}/${repo}/pulls/${prNumber}/comments --paginate --jq 'reverse | .[0:5]'.
Playwright MCP usage (browser automation via mcp__playwright__* tools).
- When you develop frontend web applications (HTML, CSS, JavaScript, React, Vue, Angular, etc.), use Playwright MCP tools to test the UI in a real browser.
- When WebFetch tool fails to retrieve expected content (e.g., returns empty content, JavaScript-rendered pages, or login-protected pages), use Playwright MCP tools (browser_navigate, browser_snapshot) as a fallback for web browsing.
- When you need to interact with dynamic web pages that require JavaScript execution, use Playwright MCP tools.
- When you need to visually verify how a web page looks or take screenshots, use browser_take_screenshot from Playwright MCP.
- When you need to fill forms, click buttons, or perform user interactions on web pages, use Playwright MCP tools (browser_click, browser_type, browser_fill_form).
- When you need to test responsive design or different viewport sizes, use browser_resize from Playwright MCP.
- When you finish using the browser, always close it with browser_close to free resources.
Visual UI work and screenshots.
- When you work on visual UI changes (frontend, CSS, HTML, design), include a render or screenshot of the final result in the pull request description.
- When you need to show visual results, take a screenshot and save it to the repository (e.g., in a docs/screenshots/ or assets/ folder).
- When you save screenshots to the repository, use permanent raw file links in the pull request description markdown (e.g., https://raw.githubusercontent.com/link-assistant/agent/issue-183-28ac41c8690c/docs/screenshots/result.png).
- When uploading images, commit them to the branch first, then reference them using the raw GitHub URL format.
- When the visual result is important for review, mention it explicitly in the pull request description with the embedded image.
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"content": " 1→export function withTimeout<T>(promise: Promise<T>, ms: number): Promise<T> {\n 2→ let timeout: NodeJS.Timeout;\n 3→ return Promise.race([\n 4→ promise.then((result) => {\n 5→ clearTimeout(timeout);\n 6→ return result;\n 7→ }),\n 8→ new Promise<never>((_, reject) => {\n 9→ timeout = setTimeout(() => {\n 10→ reject(new Error(`Operation timed out after ${ms}ms`));\n 11→ }, ms);\n 12→ }),\n 13→ ]);\n 14→}\n 15→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": "export function withTimeout<T>(promise: Promise<T>, ms: number): Promise<T> {\n let timeout: NodeJS.Timeout;\n return Promise.race([\n promise.then((result) => {\n clearTimeout(timeout);\n return result;\n }),\n new Promise<never>((_, reject) => {\n timeout = setTimeout(() => {\n reject(new Error(`Operation timed out after ${ms}ms`));\n }, ms);\n }),\n ]);\n}\n",
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"content": " 1→import { Log } from '../util/log';\n 2→import { Flag } from '../flag/flag';\n 3→\n 4→/**\n 5→ * Custom fetch wrapper that handles rate limits (HTTP 429) using time-based retry logic.\n 6→ *\n 7→ * This wrapper intercepts 429 responses at the HTTP level before the AI SDK's internal\n 8→ * retry mechanism can interfere. It respects:\n 9→ * - retry-after headers (both seconds and HTTP date formats)\n 10→ * - retry-after-ms header for millisecond precision\n 11→ * - AGENT_RETRY_TIMEOUT for global time-based retry limit\n 12→ * - AGENT_MAX_RETRY_DELAY for maximum single retry wait time\n 13→ *\n 14→ * Problem solved:\n 15→ * The AI SDK's internal retry uses a fixed count (default 3 attempts) and ignores\n 16→ * retry-after headers. When providers return long retry-after values (e.g., 64 minutes),\n 17→ * the SDK exhausts its retries before the agent can properly wait.\n 18→ *\n 19→ * Solution:\n 20→ * By wrapping fetch, we handle rate limits at the HTTP layer with time-based retries,\n 21→ * ensuring the agent's 7-week global timeout is respected.\n 22→ *\n 23→ * @see https://github.com/link-assistant/agent/issues/167\n 24→ * @see https://github.com/vercel/ai/issues/12585\n 25→ */\n 26→\n 27→export namespace RetryFetch {\n 28→ const log = Log.create({ service: 'retry-fetch' });\n 29→\n 30→ // Retry configuration constants matching SessionRetry\n 31→ const RETRY_INITIAL_DELAY = 2000;\n 32→ const RETRY_BACKOFF_FACTOR = 2;\n 33→ const RETRY_MAX_DELAY_NO_HEADERS = 30_000;\n 34→\n 35→ // Minimum retry interval to prevent rapid retries (default: 30 seconds)\n 36→ // Can be configured via AGENT_MIN_RETRY_INTERVAL env var\n 37→ function getMinRetryInterval(): number {\n 38→ return Flag.MIN_RETRY_INTERVAL();\n 39→ }\n 40→\n 41→ /**\n 42→ * Add jitter to a delay value to prevent thundering herd.\n 43→ * Adds 0-10% random variation to the delay.\n 44→ */\n 45→ function addJitter(delay: number): number {\n 46→ const jitter = Math.random() * 0.1 * delay;\n 47→ return Math.round(delay + jitter);\n 48→ }\n 49→\n 50→ /**\n 51→ * Parse retry-after value from response headers and return delay in milliseconds.\n 52→ * Returns null if no valid retry-after header is found.\n 53→ */\n 54→ function parseRetryAfterHeader(headers: Headers): number | null {\n 55→ // Check for retry-after-ms header first (milliseconds)\n 56→ const retryAfterMs = headers.get('retry-after-ms');\n 57→ if (retryAfterMs) {\n 58→ const parsedMs = Number.parseFloat(retryAfterMs);\n 59→ if (!Number.isNaN(parsedMs) && parsedMs > 0) {\n 60→ log.info(() => ({\n 61→ message: 'parsed retry-after-ms header',\n 62→ headerValue: parsedMs,\n 63→ }));\n 64→ return parsedMs;\n 65→ }\n 66→ }\n 67→\n 68→ // Check for retry-after header (seconds or HTTP date)\n 69→ const retryAfter = headers.get('retry-after');\n 70→ if (retryAfter) {\n 71→ const parsedSeconds = Number.parseFloat(retryAfter);\n 72→ if (!Number.isNaN(parsedSeconds) && parsedSeconds > 0) {\n 73→ const delayMs = Math.ceil(parsedSeconds * 1000);\n 74→ log.info(() => ({\n 75→ message: 'parsed retry-after header (seconds)',\n 76→ headerValue: parsedSeconds,\n 77→ delayMs,\n 78→ }));\n 79→ return delayMs;\n 80→ }\n 81→ // Try parsing as HTTP date format\n 82→ const parsed = Date.parse(retryAfter) - Date.now();\n 83→ if (!Number.isNaN(parsed) && parsed > 0) {\n 84→ log.info(() => ({\n 85→ message: 'parsed retry-after header (date)',\n 86→ headerValue: retryAfter,\n 87→ delayMs: parsed,\n 88→ }));\n 89→ return Math.ceil(parsed);\n 90→ }\n 91→ }\n 92→\n 93→ return null;\n 94→ }\n 95→\n 96→ /**\n 97→ * Calculate retry delay based on headers and attempt number.\n 98→ * Returns null if retry-after exceeds the global retry timeout.\n 99→ */\n 100→ function calculateRetryDelay(\n 101→ headers: Headers,\n 102→ attempt: number,\n 103→ maxRetryTimeout: number,\n 104→ maxBackoffDelay: number\n 105→ ): number | null {\n 106→ const retryAfterMs = parseRetryAfterHeader(headers);\n 107→ const minInterval = getMinRetryInterval();\n 108→\n 109→ if (retryAfterMs !== null) {\n 110→ // Check if retry-after exceeds the maximum retry timeout\n 111→ if (retryAfterMs > maxRetryTimeout) {\n 112→ log.error(() => ({\n 113→ message:\n 114→ 'retry-after exceeds maximum retry timeout, will not retry at fetch level',\n 115→ retryAfterMs,\n 116→ maxRetryTimeout,\n 117→ retryAfterHours: (retryAfterMs / 1000 / 3600).toFixed(2),\n 118→ maxRetryTimeoutHours: (maxRetryTimeout / 1000 / 3600).toFixed(2),\n 119→ }));\n 120→ return null;\n 121→ }\n 122→\n 123→ // Use exact retry-after time, but ensure minimum interval\n 124→ const delay = Math.max(retryAfterMs, minInterval);\n 125→ log.info(() => ({\n 126→ message: 'using retry-after value',\n 127→ retryAfterMs,\n 128→ delay,\n 129→ minInterval,\n 130→ }));\n 131→ return addJitter(delay);\n 132→ }\n 133→\n 134→ // No retry-after header - use exponential backoff\n 135→ const backoffDelay = Math.min(\n 136→ RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n 137→ maxBackoffDelay\n 138→ );\n 139→ const delay = Math.max(backoffDelay, minInterval);\n 140→ log.info(() => ({\n 141→ message: 'no retry-after header, using exponential backoff',\n 142→ attempt,\n 143→ backoffDelay,\n 144→ delay,\n 145→ minInterval,\n 146→ maxBackoffDelay,\n 147→ }));\n 148→ return addJitter(delay);\n 149→ }\n 150→\n 151→ /**\n 152→ * Sleep for the specified duration, but respect abort signals.\n 153→ */\n 154→ async function sleep(ms: number, signal?: AbortSignal): Promise<void> {\n 155→ return new Promise((resolve, reject) => {\n 156→ const timeout = setTimeout(resolve, ms);\n 157→ if (signal) {\n 158→ signal.addEventListener(\n 159→ 'abort',\n 160→ () => {\n 161→ clearTimeout(timeout);\n 162→ reject(new DOMException('Aborted', 'AbortError'));\n 163→ },\n 164→ { once: true }\n 165→ );\n 166→ }\n 167→ });\n 168→ }\n 169→\n 170→ /**\n 171→ * Check if an error is retryable (network issues, temporary failures).\n 172→ */\n 173→ function isRetryableError(error: unknown): boolean {\n 174→ if (!(error instanceof Error)) return false;\n 175→\n 176→ // Socket/connection errors (Bun has known timeout issues)\n 177→ // See: https://github.com/oven-sh/bun/issues/14439\n 178→ if (\n 179→ error.message.includes('ConnectionClosed') ||\n 180→ error.message.includes('ECONNRESET') ||\n 181→ error.message.includes('ECONNREFUSED') ||\n 182→ error.message.includes('socket') ||\n 183→ error.message.includes('connection')\n 184→ ) {\n 185→ return true;\n 186→ }\n 187→\n 188→ return false;\n 189→ }\n 190→\n 191→ export type RetryFetchOptions = {\n 192→ /**\n 193→ * Original fetch function to wrap. Defaults to global fetch.\n 194→ */\n 195→ baseFetch?: typeof fetch;\n 196→\n 197→ /**\n 198→ * Session ID for logging purposes.\n 199→ */\n 200→ sessionID?: string;\n 201→ };\n 202→\n 203→ /**\n 204→ * Create a fetch function that handles rate limits with time-based retry logic.\n 205→ *\n 206→ * This wrapper:\n 207→ * 1. Intercepts HTTP 429 responses\n 208→ * 2. Parses retry-after headers\n 209→ * 3. Waits for the specified duration (respecting global timeout)\n 210→ * 4. Retries the request\n 211→ *\n 212→ * If retry-after exceeds AGENT_RETRY_TIMEOUT, the original 429 response is returned\n 213→ * to let higher-level error handling take over.\n 214→ *\n 215→ * @param options Configuration options\n 216→ * @returns A fetch function with rate limit retry handling\n 217→ */\n 218→ export function create(options: RetryFetchOptions = {}): typeof fetch {\n 219→ const baseFetch = options.baseFetch ?? fetch;\n 220→ const sessionID = options.sessionID ?? 'unknown';\n 221→\n 222→ return async function retryFetch(\n 223→ input: RequestInfo | URL,\n 224→ init?: RequestInit\n 225→ ): Promise<Response> {\n 226→ let attempt = 0;\n 227→ const startTime = Date.now();\n 228→ const maxRetryTimeout = Flag.RETRY_TIMEOUT() * 1000;\n 229→ const maxBackoffDelay = Flag.MAX_RETRY_DELAY();\n 230→\n 231→ while (true) {\n 232→ attempt++;\n 233→ let response: Response;\n 234→\n 235→ try {\n 236→ response = await baseFetch(input, init);\n 237→ } catch (error) {\n 238→ // Check if it's a retryable network error\n 239→ if (isRetryableError(error)) {\n 240→ const elapsed = Date.now() - startTime;\n 241→ if (elapsed >= maxRetryTimeout) {\n 242→ log.warn(() => ({\n 243→ message:\n 244→ 'network error retry timeout exceeded, re-throwing error',\n 245→ sessionID,\n 246→ elapsed,\n 247→ maxRetryTimeout,\n 248→ error: (error as Error).message,\n 249→ }));\n 250→ throw error;\n 251→ }\n 252→\n 253→ // Use exponential backoff for network errors\n 254→ const delay = Math.min(\n 255→ 2000 * Math.pow(2, attempt - 1),\n 256→ maxBackoffDelay\n 257→ );\n 258→ log.info(() => ({\n 259→ message: 'network error, retrying',\n 260→ sessionID,\n 261→ attempt,\n 262→ delay,\n 263→ error: (error as Error).message,\n 264→ }));\n 265→ await sleep(delay, init?.signal ?? undefined);\n 266→ continue;\n 267→ }\n 268→ throw error;\n 269→ }\n 270→\n 271→ // Only handle rate limit errors (429)\n 272→ if (response.status !== 429) {\n 273→ return response;\n 274→ }\n 275→\n 276→ // Check if we're within the global retry timeout\n 277→ const elapsed = Date.now() - startTime;\n 278→ if (elapsed >= maxRetryTimeout) {\n 279→ log.warn(() => ({\n 280→ message: 'retry timeout exceeded in fetch wrapper, returning 429',\n 281→ sessionID,\n 282→ elapsed,\n 283→ maxRetryTimeout,\n 284→ }));\n 285→ return response; // Let higher-level handling take over\n 286→ }\n 287→\n 288→ // Calculate retry delay\n 289→ const delay = calculateRetryDelay(\n 290→ response.headers,\n 291→ attempt,\n 292→ maxRetryTimeout - elapsed, // Remaining time\n 293→ maxBackoffDelay\n 294→ );\n 295→\n 296→ // If delay is null, retry-after exceeds timeout - return response\n 297→ if (delay === null) {\n 298→ log.warn(() => ({\n 299→ message:\n 300→ 'retry-after exceeds remaining timeout, returning 429 response',\n 301→ sessionID,\n 302→ elapsed,\n 303→ remainingTimeout: maxRetryTimeout - elapsed,\n 304→ }));\n 305→ return response;\n 306→ }\n 307→\n 308→ // Check if delay would exceed remaining timeout\n 309→ if (elapsed + delay >= maxRetryTimeout) {\n 310→ log.warn(() => ({\n 311→ message: 'delay would exceed retry timeout, returning 429 response',\n 312→ sessionID,\n 313→ elapsed,\n 314→ delay,\n 315→ maxRetryTimeout,\n 316→ }));\n 317→ return response;\n 318→ }\n 319→\n 320→ log.info(() => ({\n 321→ message: 'rate limited, will retry',\n 322→ sessionID,\n 323→ attempt,\n 324→ delay,\n 325→ delayMinutes: (delay / 1000 / 60).toFixed(2),\n 326→ elapsed,\n 327→ remainingTimeout: maxRetryTimeout - elapsed,\n 328→ }));\n 329→\n 330→ // Wait before retrying\n 331→ try {\n 332→ await sleep(delay, init?.signal ?? undefined);\n 333→ } catch {\n 334→ // Aborted - return the last response\n 335→ log.info(() => ({\n 336→ message: 'retry sleep aborted, returning last response',\n 337→ sessionID,\n 338→ }));\n 339→ return response;\n 340→ }\n 341→ }\n 342→ };\n 343→ }\n 344→\n 345→ /**\n 346→ * Wrap an existing custom fetch (e.g., OAuth fetch) with retry logic.\n 347→ *\n 348→ * This allows composing multiple fetch wrappers while maintaining retry handling.\n 349→ *\n 350→ * @param customFetch The custom fetch function to wrap\n 351→ * @param options Configuration options\n 352→ * @returns A fetch function with both custom logic and retry handling\n 353→ */\n 354→ export function wrap(\n 355→ customFetch: typeof fetch,\n 356→ options: Omit<RetryFetchOptions, 'baseFetch'> = {}\n 357→ ): typeof fetch {\n 358→ return create({\n 359→ ...options,\n 360→ baseFetch: customFetch,\n 361→ });\n 362→ }\n 363→}\n 364→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": "import { Log } from '../util/log';\nimport { Flag } from '../flag/flag';\n\n/**\n * Custom fetch wrapper that handles rate limits (HTTP 429) using time-based retry logic.\n *\n * This wrapper intercepts 429 responses at the HTTP level before the AI SDK's internal\n * retry mechanism can interfere. It respects:\n * - retry-after headers (both seconds and HTTP date formats)\n * - retry-after-ms header for millisecond precision\n * - AGENT_RETRY_TIMEOUT for global time-based retry limit\n * - AGENT_MAX_RETRY_DELAY for maximum single retry wait time\n *\n * Problem solved:\n * The AI SDK's internal retry uses a fixed count (default 3 attempts) and ignores\n * retry-after headers. When providers return long retry-after values (e.g., 64 minutes),\n * the SDK exhausts its retries before the agent can properly wait.\n *\n * Solution:\n * By wrapping fetch, we handle rate limits at the HTTP layer with time-based retries,\n * ensuring the agent's 7-week global timeout is respected.\n *\n * @see https://github.com/link-assistant/agent/issues/167\n * @see https://github.com/vercel/ai/issues/12585\n */\n\nexport namespace RetryFetch {\n const log = Log.create({ service: 'retry-fetch' });\n\n // Retry configuration constants matching SessionRetry\n const RETRY_INITIAL_DELAY = 2000;\n const RETRY_BACKOFF_FACTOR = 2;\n const RETRY_MAX_DELAY_NO_HEADERS = 30_000;\n\n // Minimum retry interval to prevent rapid retries (default: 30 seconds)\n // Can be configured via AGENT_MIN_RETRY_INTERVAL env var\n function getMinRetryInterval(): number {\n return Flag.MIN_RETRY_INTERVAL();\n }\n\n /**\n * Add jitter to a delay value to prevent thundering herd.\n * Adds 0-10% random variation to the delay.\n */\n function addJitter(delay: number): number {\n const jitter = Math.random() * 0.1 * delay;\n return Math.round(delay + jitter);\n }\n\n /**\n * Parse retry-after value from response headers and return delay in milliseconds.\n * Returns null if no valid retry-after header is found.\n */\n function parseRetryAfterHeader(headers: Headers): number | null {\n // Check for retry-after-ms header first (milliseconds)\n const retryAfterMs = headers.get('retry-after-ms');\n if (retryAfterMs) {\n const parsedMs = Number.parseFloat(retryAfterMs);\n if (!Number.isNaN(parsedMs) && parsedMs > 0) {\n log.info(() => ({\n message: 'parsed retry-after-ms header',\n headerValue: parsedMs,\n }));\n return parsedMs;\n }\n }\n\n // Check for retry-after header (seconds or HTTP date)\n const retryAfter = headers.get('retry-after');\n if (retryAfter) {\n const parsedSeconds = Number.parseFloat(retryAfter);\n if (!Number.isNaN(parsedSeconds) && parsedSeconds > 0) {\n const delayMs = Math.ceil(parsedSeconds * 1000);\n log.info(() => ({\n message: 'parsed retry-after header (seconds)',\n headerValue: parsedSeconds,\n delayMs,\n }));\n return delayMs;\n }\n // Try parsing as HTTP date format\n const parsed = Date.parse(retryAfter) - Date.now();\n if (!Number.isNaN(parsed) && parsed > 0) {\n log.info(() => ({\n message: 'parsed retry-after header (date)',\n headerValue: retryAfter,\n delayMs: parsed,\n }));\n return Math.ceil(parsed);\n }\n }\n\n return null;\n }\n\n /**\n * Calculate retry delay based on headers and attempt number.\n * Returns null if retry-after exceeds the global retry timeout.\n */\n function calculateRetryDelay(\n headers: Headers,\n attempt: number,\n maxRetryTimeout: number,\n maxBackoffDelay: number\n ): number | null {\n const retryAfterMs = parseRetryAfterHeader(headers);\n const minInterval = getMinRetryInterval();\n\n if (retryAfterMs !== null) {\n // Check if retry-after exceeds the maximum retry timeout\n if (retryAfterMs > maxRetryTimeout) {\n log.error(() => ({\n message:\n 'retry-after exceeds maximum retry timeout, will not retry at fetch level',\n retryAfterMs,\n maxRetryTimeout,\n retryAfterHours: (retryAfterMs / 1000 / 3600).toFixed(2),\n maxRetryTimeoutHours: (maxRetryTimeout / 1000 / 3600).toFixed(2),\n }));\n return null;\n }\n\n // Use exact retry-after time, but ensure minimum interval\n const delay = Math.max(retryAfterMs, minInterval);\n log.info(() => ({\n message: 'using retry-after value',\n retryAfterMs,\n delay,\n minInterval,\n }));\n return addJitter(delay);\n }\n\n // No retry-after header - use exponential backoff\n const backoffDelay = Math.min(\n RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n maxBackoffDelay\n );\n const delay = Math.max(backoffDelay, minInterval);\n log.info(() => ({\n message: 'no retry-after header, using exponential backoff',\n attempt,\n backoffDelay,\n delay,\n minInterval,\n maxBackoffDelay,\n }));\n return addJitter(delay);\n }\n\n /**\n * Sleep for the specified duration, but respect abort signals.\n */\n async function sleep(ms: number, signal?: AbortSignal): Promise<void> {\n return new Promise((resolve, reject) => {\n const timeout = setTimeout(resolve, ms);\n if (signal) {\n signal.addEventListener(\n 'abort',\n () => {\n clearTimeout(timeout);\n reject(new DOMException('Aborted', 'AbortError'));\n },\n { once: true }\n );\n }\n });\n }\n\n /**\n * Check if an error is retryable (network issues, temporary failures).\n */\n function isRetryableError(error: unknown): boolean {\n if (!(error instanceof Error)) return false;\n\n // Socket/connection errors (Bun has known timeout issues)\n // See: https://github.com/oven-sh/bun/issues/14439\n if (\n error.message.includes('ConnectionClosed') ||\n error.message.includes('ECONNRESET') ||\n error.message.includes('ECONNREFUSED') ||\n error.message.includes('socket') ||\n error.message.includes('connection')\n ) {\n return true;\n }\n\n return false;\n }\n\n export type RetryFetchOptions = {\n /**\n * Original fetch function to wrap. Defaults to global fetch.\n */\n baseFetch?: typeof fetch;\n\n /**\n * Session ID for logging purposes.\n */\n sessionID?: string;\n };\n\n /**\n * Create a fetch function that handles rate limits with time-based retry logic.\n *\n * This wrapper:\n * 1. Intercepts HTTP 429 responses\n * 2. Parses retry-after headers\n * 3. Waits for the specified duration (respecting global timeout)\n * 4. Retries the request\n *\n * If retry-after exceeds AGENT_RETRY_TIMEOUT, the original 429 response is returned\n * to let higher-level error handling take over.\n *\n * @param options Configuration options\n * @returns A fetch function with rate limit retry handling\n */\n export function create(options: RetryFetchOptions = {}): typeof fetch {\n const baseFetch = options.baseFetch ?? fetch;\n const sessionID = options.sessionID ?? 'unknown';\n\n return async function retryFetch(\n input: RequestInfo | URL,\n init?: RequestInit\n ): Promise<Response> {\n let attempt = 0;\n const startTime = Date.now();\n const maxRetryTimeout = Flag.RETRY_TIMEOUT() * 1000;\n const maxBackoffDelay = Flag.MAX_RETRY_DELAY();\n\n while (true) {\n attempt++;\n let response: Response;\n\n try {\n response = await baseFetch(input, init);\n } catch (error) {\n // Check if it's a retryable network error\n if (isRetryableError(error)) {\n const elapsed = Date.now() - startTime;\n if (elapsed >= maxRetryTimeout) {\n log.warn(() => ({\n message:\n 'network error retry timeout exceeded, re-throwing error',\n sessionID,\n elapsed,\n maxRetryTimeout,\n error: (error as Error).message,\n }));\n throw error;\n }\n\n // Use exponential backoff for network errors\n const delay = Math.min(\n 2000 * Math.pow(2, attempt - 1),\n maxBackoffDelay\n );\n log.info(() => ({\n message: 'network error, retrying',\n sessionID,\n attempt,\n delay,\n error: (error as Error).message,\n }));\n await sleep(delay, init?.signal ?? undefined);\n continue;\n }\n throw error;\n }\n\n // Only handle rate limit errors (429)\n if (response.status !== 429) {\n return response;\n }\n\n // Check if we're within the global retry timeout\n const elapsed = Date.now() - startTime;\n if (elapsed >= maxRetryTimeout) {\n log.warn(() => ({\n message: 'retry timeout exceeded in fetch wrapper, returning 429',\n sessionID,\n elapsed,\n maxRetryTimeout,\n }));\n return response; // Let higher-level handling take over\n }\n\n // Calculate retry delay\n const delay = calculateRetryDelay(\n response.headers,\n attempt,\n maxRetryTimeout - elapsed, // Remaining time\n maxBackoffDelay\n );\n\n // If delay is null, retry-after exceeds timeout - return response\n if (delay === null) {\n log.warn(() => ({\n message:\n 'retry-after exceeds remaining timeout, returning 429 response',\n sessionID,\n elapsed,\n remainingTimeout: maxRetryTimeout - elapsed,\n }));\n return response;\n }\n\n // Check if delay would exceed remaining timeout\n if (elapsed + delay >= maxRetryTimeout) {\n log.warn(() => ({\n message: 'delay would exceed retry timeout, returning 429 response',\n sessionID,\n elapsed,\n delay,\n maxRetryTimeout,\n }));\n return response;\n }\n\n log.info(() => ({\n message: 'rate limited, will retry',\n sessionID,\n attempt,\n delay,\n delayMinutes: (delay / 1000 / 60).toFixed(2),\n elapsed,\n remainingTimeout: maxRetryTimeout - elapsed,\n }));\n\n // Wait before retrying\n try {\n await sleep(delay, init?.signal ?? undefined);\n } catch {\n // Aborted - return the last response\n log.info(() => ({\n message: 'retry sleep aborted, returning last response',\n sessionID,\n }));\n return response;\n }\n }\n };\n }\n\n /**\n * Wrap an existing custom fetch (e.g., OAuth fetch) with retry logic.\n *\n * This allows composing multiple fetch wrappers while maintaining retry handling.\n *\n * @param customFetch The custom fetch function to wrap\n * @param options Configuration options\n * @returns A fetch function with both custom logic and retry handling\n */\n export function wrap(\n customFetch: typeof fetch,\n options: Omit<RetryFetchOptions, 'baseFetch'> = {}\n ): typeof fetch {\n return create({\n ...options,\n baseFetch: customFetch,\n });\n }\n}\n",
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"content": " 1→import { MessageV2 } from './message-v2';\n 2→import { Flag } from '../flag/flag';\n 3→import { Log } from '../util/log';\n 4→\n 5→export namespace SessionRetry {\n 6→ const log = Log.create({ service: 'session.retry' });\n 7→\n 8→ export const RETRY_INITIAL_DELAY = 2000;\n 9→ export const RETRY_BACKOFF_FACTOR = 2;\n 10→ export const RETRY_MAX_DELAY_NO_HEADERS = 30_000; // 30 seconds\n 11→\n 12→ // Maximum delay for a single retry attempt when NO retry-after header (default: 20 minutes)\n 13→ // This caps exponential backoff when headers are not available\n 14→ // Can be configured via AGENT_MAX_RETRY_DELAY env var\n 15→ export function getMaxRetryDelay(): number {\n 16→ return Flag.MAX_RETRY_DELAY();\n 17→ }\n 18→\n 19→ // Get retry timeout in milliseconds\n 20→ export function getRetryTimeout(): number {\n 21→ return Flag.RETRY_TIMEOUT() * 1000;\n 22→ }\n 23→\n 24→ /**\n 25→ * Error thrown when retry-after exceeds AGENT_RETRY_TIMEOUT\n 26→ * This indicates the wait time is too long and we should fail immediately\n 27→ */\n 28→ export class RetryTimeoutExceededError extends Error {\n 29→ public readonly retryAfterMs: number;\n 30→ public readonly maxTimeoutMs: number;\n 31→\n 32→ constructor(retryAfterMs: number, maxTimeoutMs: number) {\n 33→ const retryAfterHours = (retryAfterMs / 1000 / 3600).toFixed(2);\n 34→ const maxTimeoutHours = (maxTimeoutMs / 1000 / 3600).toFixed(2);\n 35→ super(\n 36→ `API returned retry-after of ${retryAfterHours} hours, which exceeds the maximum retry timeout of ${maxTimeoutHours} hours. ` +\n 37→ `Failing immediately instead of waiting. You can adjust AGENT_RETRY_TIMEOUT env var to increase the limit.`\n 38→ );\n 39→ this.name = 'RetryTimeoutExceededError';\n 40→ this.retryAfterMs = retryAfterMs;\n 41→ this.maxTimeoutMs = maxTimeoutMs;\n 42→ }\n 43→ }\n 44→\n 45→ // Socket connection error retry configuration\n 46→ // Bun's fetch() has a known 10-second idle timeout issue\n 47→ // See: https://github.com/oven-sh/bun/issues/14439\n 48→ export const SOCKET_ERROR_MAX_RETRIES = 3;\n 49→ export const SOCKET_ERROR_INITIAL_DELAY = 1000; // 1 second\n 50→ export const SOCKET_ERROR_BACKOFF_FACTOR = 2;\n 51→\n 52→ // Timeout error retry configuration\n 53→ // When API requests time out (AbortSignal.timeout), retry with increasing intervals\n 54→ // See: https://github.com/link-assistant/agent/issues/142\n 55→ export const TIMEOUT_MAX_RETRIES = 3;\n 56→ export const TIMEOUT_DELAYS = [30_000, 60_000, 120_000]; // 30s, 60s, 120s\n 57→\n 58→ // Rate limit retry state tracking\n 59→ // Tracks total time spent retrying for each error type\n 60→ // See: https://github.com/link-assistant/agent/issues/157\n 61→ interface RetryState {\n 62→ errorType: string;\n 63→ startTime: number;\n 64→ totalRetryTime: number;\n 65→ }\n 66→\n 67→ const retryStates: Map<string, RetryState> = new Map();\n 68→\n 69→ /**\n 70→ * Check if we should continue retrying for a given session and error type.\n 71→ * Returns true if within retry timeout, false if exceeded.\n 72→ * The timeout resets when the error type changes.\n 73→ */\n 74→ export function shouldRetry(\n 75→ sessionID: string,\n 76→ errorType: string\n 77→ ): { shouldRetry: boolean; elapsedTime: number; maxTime: number } {\n 78→ const maxTime = Flag.RETRY_TIMEOUT() * 1000; // Convert to ms\n 79→ const state = retryStates.get(sessionID);\n 80→\n 81→ if (!state || state.errorType !== errorType) {\n 82→ // New error type or first error - reset state\n 83→ retryStates.set(sessionID, {\n 84→ errorType,\n 85→ startTime: Date.now(),\n 86→ totalRetryTime: 0,\n 87→ });\n 88→ return { shouldRetry: true, elapsedTime: 0, maxTime };\n 89→ }\n 90→\n 91→ const elapsedTime = Date.now() - state.startTime;\n 92→ if (elapsedTime >= maxTime) {\n 93→ log.info(() => ({\n 94→ message: 'retry timeout exceeded',\n 95→ sessionID,\n 96→ errorType,\n 97→ elapsedTime,\n 98→ maxTime,\n 99→ }));\n 100→ return { shouldRetry: false, elapsedTime, maxTime };\n 101→ }\n 102→\n 103→ return { shouldRetry: true, elapsedTime, maxTime };\n 104→ }\n 105→\n 106→ /**\n 107→ * Update retry state after a retry attempt.\n 108→ */\n 109→ export function updateRetryState(sessionID: string, delayMs: number): void {\n 110→ const state = retryStates.get(sessionID);\n 111→ if (state) {\n 112→ state.totalRetryTime += delayMs;\n 113→ }\n 114→ }\n 115→\n 116→ /**\n 117→ * Clear retry state for a session (e.g., on success).\n 118→ */\n 119→ export function clearRetryState(sessionID: string): void {\n 120→ retryStates.delete(sessionID);\n 121→ }\n 122→\n 123→ export async function sleep(ms: number, signal: AbortSignal): Promise<void> {\n 124→ return new Promise((resolve, reject) => {\n 125→ const timeout = setTimeout(resolve, ms);\n 126→ signal.addEventListener(\n 127→ 'abort',\n 128→ () => {\n 129→ clearTimeout(timeout);\n 130→ reject(new DOMException('Aborted', 'AbortError'));\n 131→ },\n 132→ { once: true }\n 133→ );\n 134→ });\n 135→ }\n 136→\n 137→ /**\n 138→ * Add jitter to a delay value to prevent thundering herd.\n 139→ * Adds 0-10% random variation to the delay.\n 140→ */\n 141→ function addJitter(delay: number): number {\n 142→ const jitter = Math.random() * 0.1 * delay;\n 143→ return Math.round(delay + jitter);\n 144→ }\n 145→\n 146→ /**\n 147→ * Parse retry-after value from headers and return delay in milliseconds.\n 148→ * Returns null if no valid retry-after header is found.\n 149→ */\n 150→ function parseRetryAfterHeader(\n 151→ headers: Record<string, string>\n 152→ ): number | null {\n 153→ // Check for retry-after-ms header first (milliseconds)\n 154→ const retryAfterMs = headers['retry-after-ms'];\n 155→ if (retryAfterMs) {\n 156→ const parsedMs = Number.parseFloat(retryAfterMs);\n 157→ if (!Number.isNaN(parsedMs) && parsedMs > 0) {\n 158→ log.info(() => ({\n 159→ message: 'parsed retry-after-ms header',\n 160→ headerValue: parsedMs,\n 161→ }));\n 162→ return parsedMs;\n 163→ }\n 164→ }\n 165→\n 166→ // Check for retry-after header (seconds or HTTP date)\n 167→ const retryAfter = headers['retry-after'];\n 168→ if (retryAfter) {\n 169→ const parsedSeconds = Number.parseFloat(retryAfter);\n 170→ if (!Number.isNaN(parsedSeconds) && parsedSeconds > 0) {\n 171→ const delayMs = Math.ceil(parsedSeconds * 1000);\n 172→ log.info(() => ({\n 173→ message: 'parsed retry-after header (seconds)',\n 174→ headerValue: parsedSeconds,\n 175→ delayMs,\n 176→ }));\n 177→ return delayMs;\n 178→ }\n 179→ // Try parsing as HTTP date format\n 180→ const parsed = Date.parse(retryAfter) - Date.now();\n 181→ if (!Number.isNaN(parsed) && parsed > 0) {\n 182→ log.info(() => ({\n 183→ message: 'parsed retry-after header (date)',\n 184→ headerValue: retryAfter,\n 185→ delayMs: parsed,\n 186→ }));\n 187→ return Math.ceil(parsed);\n 188→ }\n 189→ }\n 190→\n 191→ return null;\n 192→ }\n 193→\n 194→ /**\n 195→ * Calculate retry delay based on error response headers and attempt number.\n 196→ *\n 197→ * RETRY LOGIC (per issue #157 requirements):\n 198→ * 1. If retry-after header is available:\n 199→ * - If retry-after <= AGENT_RETRY_TIMEOUT: use it directly (exact time)\n 200→ * - If retry-after > AGENT_RETRY_TIMEOUT: throw RetryTimeoutExceededError (fail immediately)\n 201→ * 2. If no retry-after header:\n 202→ * - Use exponential backoff up to AGENT_MAX_RETRY_DELAY\n 203→ *\n 204→ * Adds jitter to prevent thundering herd when multiple requests retry.\n 205→ * See: https://github.com/link-assistant/agent/issues/157\n 206→ *\n 207→ * @throws {RetryTimeoutExceededError} When retry-after exceeds AGENT_RETRY_TIMEOUT\n 208→ */\n 209→ export function delay(error: MessageV2.APIError, attempt: number): number {\n 210→ const maxRetryTimeout = getRetryTimeout();\n 211→ const maxBackoffDelay = getMaxRetryDelay();\n 212→ const headers = error.data.responseHeaders;\n 213→\n 214→ if (headers) {\n 215→ const retryAfterMs = parseRetryAfterHeader(headers);\n 216→\n 217→ if (retryAfterMs !== null) {\n 218→ // Check if retry-after exceeds the maximum retry timeout\n 219→ if (retryAfterMs > maxRetryTimeout) {\n 220→ log.error(() => ({\n 221→ message:\n 222→ 'retry-after exceeds maximum retry timeout, failing immediately',\n 223→ retryAfterMs,\n 224→ maxRetryTimeout,\n 225→ retryAfterHours: (retryAfterMs / 1000 / 3600).toFixed(2),\n 226→ maxRetryTimeoutHours: (maxRetryTimeout / 1000 / 3600).toFixed(2),\n 227→ }));\n 228→ throw new RetryTimeoutExceededError(retryAfterMs, maxRetryTimeout);\n 229→ }\n 230→\n 231→ // Use exact retry-after time (within timeout limit)\n 232→ log.info(() => ({\n 233→ message: 'using exact retry-after value',\n 234→ retryAfterMs,\n 235→ maxRetryTimeout,\n 236→ }));\n 237→ return addJitter(retryAfterMs);\n 238→ }\n 239→\n 240→ // Headers present but no retry-after - use exponential backoff with max delay cap\n 241→ const backoffDelay = Math.min(\n 242→ RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n 243→ maxBackoffDelay\n 244→ );\n 245→ log.info(() => ({\n 246→ message: 'no retry-after header, using exponential backoff',\n 247→ attempt,\n 248→ backoffDelay,\n 249→ maxBackoffDelay,\n 250→ }));\n 251→ return addJitter(backoffDelay);\n 252→ }\n 253→\n 254→ // No headers at all - use exponential backoff with lower cap\n 255→ const backoffDelay = Math.min(\n 256→ RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n 257→ RETRY_MAX_DELAY_NO_HEADERS\n 258→ );\n 259→ log.info(() => ({\n 260→ message:\n 261→ 'no response headers, using exponential backoff with conservative cap',\n 262→ attempt,\n 263→ backoffDelay,\n 264→ maxCap: RETRY_MAX_DELAY_NO_HEADERS,\n 265→ }));\n 266→ return addJitter(backoffDelay);\n 267→ }\n 268→\n 269→ /**\n 270→ * Calculate delay for socket connection error retries.\n 271→ * Uses exponential backoff: 1s, 2s, 4s, etc.\n 272→ */\n 273→ export function socketErrorDelay(attempt: number): number {\n 274→ return (\n 275→ SOCKET_ERROR_INITIAL_DELAY *\n 276→ Math.pow(SOCKET_ERROR_BACKOFF_FACTOR, attempt - 1)\n 277→ );\n 278→ }\n 279→\n 280→ /**\n 281→ * Calculate delay for timeout error retries.\n 282→ * Uses fixed intervals: 30s, 60s, 120s.\n 283→ * See: https://github.com/link-assistant/agent/issues/142\n 284→ */\n 285→ export function timeoutDelay(attempt: number): number {\n 286→ const index = Math.min(attempt - 1, TIMEOUT_DELAYS.length - 1);\n 287→ return TIMEOUT_DELAYS[index];\n 288→ }\n 289→}\n 290→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": "import { MessageV2 } from './message-v2';\nimport { Flag } from '../flag/flag';\nimport { Log } from '../util/log';\n\nexport namespace SessionRetry {\n const log = Log.create({ service: 'session.retry' });\n\n export const RETRY_INITIAL_DELAY = 2000;\n export const RETRY_BACKOFF_FACTOR = 2;\n export const RETRY_MAX_DELAY_NO_HEADERS = 30_000; // 30 seconds\n\n // Maximum delay for a single retry attempt when NO retry-after header (default: 20 minutes)\n // This caps exponential backoff when headers are not available\n // Can be configured via AGENT_MAX_RETRY_DELAY env var\n export function getMaxRetryDelay(): number {\n return Flag.MAX_RETRY_DELAY();\n }\n\n // Get retry timeout in milliseconds\n export function getRetryTimeout(): number {\n return Flag.RETRY_TIMEOUT() * 1000;\n }\n\n /**\n * Error thrown when retry-after exceeds AGENT_RETRY_TIMEOUT\n * This indicates the wait time is too long and we should fail immediately\n */\n export class RetryTimeoutExceededError extends Error {\n public readonly retryAfterMs: number;\n public readonly maxTimeoutMs: number;\n\n constructor(retryAfterMs: number, maxTimeoutMs: number) {\n const retryAfterHours = (retryAfterMs / 1000 / 3600).toFixed(2);\n const maxTimeoutHours = (maxTimeoutMs / 1000 / 3600).toFixed(2);\n super(\n `API returned retry-after of ${retryAfterHours} hours, which exceeds the maximum retry timeout of ${maxTimeoutHours} hours. ` +\n `Failing immediately instead of waiting. You can adjust AGENT_RETRY_TIMEOUT env var to increase the limit.`\n );\n this.name = 'RetryTimeoutExceededError';\n this.retryAfterMs = retryAfterMs;\n this.maxTimeoutMs = maxTimeoutMs;\n }\n }\n\n // Socket connection error retry configuration\n // Bun's fetch() has a known 10-second idle timeout issue\n // See: https://github.com/oven-sh/bun/issues/14439\n export const SOCKET_ERROR_MAX_RETRIES = 3;\n export const SOCKET_ERROR_INITIAL_DELAY = 1000; // 1 second\n export const SOCKET_ERROR_BACKOFF_FACTOR = 2;\n\n // Timeout error retry configuration\n // When API requests time out (AbortSignal.timeout), retry with increasing intervals\n // See: https://github.com/link-assistant/agent/issues/142\n export const TIMEOUT_MAX_RETRIES = 3;\n export const TIMEOUT_DELAYS = [30_000, 60_000, 120_000]; // 30s, 60s, 120s\n\n // Rate limit retry state tracking\n // Tracks total time spent retrying for each error type\n // See: https://github.com/link-assistant/agent/issues/157\n interface RetryState {\n errorType: string;\n startTime: number;\n totalRetryTime: number;\n }\n\n const retryStates: Map<string, RetryState> = new Map();\n\n /**\n * Check if we should continue retrying for a given session and error type.\n * Returns true if within retry timeout, false if exceeded.\n * The timeout resets when the error type changes.\n */\n export function shouldRetry(\n sessionID: string,\n errorType: string\n ): { shouldRetry: boolean; elapsedTime: number; maxTime: number } {\n const maxTime = Flag.RETRY_TIMEOUT() * 1000; // Convert to ms\n const state = retryStates.get(sessionID);\n\n if (!state || state.errorType !== errorType) {\n // New error type or first error - reset state\n retryStates.set(sessionID, {\n errorType,\n startTime: Date.now(),\n totalRetryTime: 0,\n });\n return { shouldRetry: true, elapsedTime: 0, maxTime };\n }\n\n const elapsedTime = Date.now() - state.startTime;\n if (elapsedTime >= maxTime) {\n log.info(() => ({\n message: 'retry timeout exceeded',\n sessionID,\n errorType,\n elapsedTime,\n maxTime,\n }));\n return { shouldRetry: false, elapsedTime, maxTime };\n }\n\n return { shouldRetry: true, elapsedTime, maxTime };\n }\n\n /**\n * Update retry state after a retry attempt.\n */\n export function updateRetryState(sessionID: string, delayMs: number): void {\n const state = retryStates.get(sessionID);\n if (state) {\n state.totalRetryTime += delayMs;\n }\n }\n\n /**\n * Clear retry state for a session (e.g., on success).\n */\n export function clearRetryState(sessionID: string): void {\n retryStates.delete(sessionID);\n }\n\n export async function sleep(ms: number, signal: AbortSignal): Promise<void> {\n return new Promise((resolve, reject) => {\n const timeout = setTimeout(resolve, ms);\n signal.addEventListener(\n 'abort',\n () => {\n clearTimeout(timeout);\n reject(new DOMException('Aborted', 'AbortError'));\n },\n { once: true }\n );\n });\n }\n\n /**\n * Add jitter to a delay value to prevent thundering herd.\n * Adds 0-10% random variation to the delay.\n */\n function addJitter(delay: number): number {\n const jitter = Math.random() * 0.1 * delay;\n return Math.round(delay + jitter);\n }\n\n /**\n * Parse retry-after value from headers and return delay in milliseconds.\n * Returns null if no valid retry-after header is found.\n */\n function parseRetryAfterHeader(\n headers: Record<string, string>\n ): number | null {\n // Check for retry-after-ms header first (milliseconds)\n const retryAfterMs = headers['retry-after-ms'];\n if (retryAfterMs) {\n const parsedMs = Number.parseFloat(retryAfterMs);\n if (!Number.isNaN(parsedMs) && parsedMs > 0) {\n log.info(() => ({\n message: 'parsed retry-after-ms header',\n headerValue: parsedMs,\n }));\n return parsedMs;\n }\n }\n\n // Check for retry-after header (seconds or HTTP date)\n const retryAfter = headers['retry-after'];\n if (retryAfter) {\n const parsedSeconds = Number.parseFloat(retryAfter);\n if (!Number.isNaN(parsedSeconds) && parsedSeconds > 0) {\n const delayMs = Math.ceil(parsedSeconds * 1000);\n log.info(() => ({\n message: 'parsed retry-after header (seconds)',\n headerValue: parsedSeconds,\n delayMs,\n }));\n return delayMs;\n }\n // Try parsing as HTTP date format\n const parsed = Date.parse(retryAfter) - Date.now();\n if (!Number.isNaN(parsed) && parsed > 0) {\n log.info(() => ({\n message: 'parsed retry-after header (date)',\n headerValue: retryAfter,\n delayMs: parsed,\n }));\n return Math.ceil(parsed);\n }\n }\n\n return null;\n }\n\n /**\n * Calculate retry delay based on error response headers and attempt number.\n *\n * RETRY LOGIC (per issue #157 requirements):\n * 1. If retry-after header is available:\n * - If retry-after <= AGENT_RETRY_TIMEOUT: use it directly (exact time)\n * - If retry-after > AGENT_RETRY_TIMEOUT: throw RetryTimeoutExceededError (fail immediately)\n * 2. If no retry-after header:\n * - Use exponential backoff up to AGENT_MAX_RETRY_DELAY\n *\n * Adds jitter to prevent thundering herd when multiple requests retry.\n * See: https://github.com/link-assistant/agent/issues/157\n *\n * @throws {RetryTimeoutExceededError} When retry-after exceeds AGENT_RETRY_TIMEOUT\n */\n export function delay(error: MessageV2.APIError, attempt: number): number {\n const maxRetryTimeout = getRetryTimeout();\n const maxBackoffDelay = getMaxRetryDelay();\n const headers = error.data.responseHeaders;\n\n if (headers) {\n const retryAfterMs = parseRetryAfterHeader(headers);\n\n if (retryAfterMs !== null) {\n // Check if retry-after exceeds the maximum retry timeout\n if (retryAfterMs > maxRetryTimeout) {\n log.error(() => ({\n message:\n 'retry-after exceeds maximum retry timeout, failing immediately',\n retryAfterMs,\n maxRetryTimeout,\n retryAfterHours: (retryAfterMs / 1000 / 3600).toFixed(2),\n maxRetryTimeoutHours: (maxRetryTimeout / 1000 / 3600).toFixed(2),\n }));\n throw new RetryTimeoutExceededError(retryAfterMs, maxRetryTimeout);\n }\n\n // Use exact retry-after time (within timeout limit)\n log.info(() => ({\n message: 'using exact retry-after value',\n retryAfterMs,\n maxRetryTimeout,\n }));\n return addJitter(retryAfterMs);\n }\n\n // Headers present but no retry-after - use exponential backoff with max delay cap\n const backoffDelay = Math.min(\n RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n maxBackoffDelay\n );\n log.info(() => ({\n message: 'no retry-after header, using exponential backoff',\n attempt,\n backoffDelay,\n maxBackoffDelay,\n }));\n return addJitter(backoffDelay);\n }\n\n // No headers at all - use exponential backoff with lower cap\n const backoffDelay = Math.min(\n RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n RETRY_MAX_DELAY_NO_HEADERS\n );\n log.info(() => ({\n message:\n 'no response headers, using exponential backoff with conservative cap',\n attempt,\n backoffDelay,\n maxCap: RETRY_MAX_DELAY_NO_HEADERS,\n }));\n return addJitter(backoffDelay);\n }\n\n /**\n * Calculate delay for socket connection error retries.\n * Uses exponential backoff: 1s, 2s, 4s, etc.\n */\n export function socketErrorDelay(attempt: number): number {\n return (\n SOCKET_ERROR_INITIAL_DELAY *\n Math.pow(SOCKET_ERROR_BACKOFF_FACTOR, attempt - 1)\n );\n }\n\n /**\n * Calculate delay for timeout error retries.\n * Uses fixed intervals: 30s, 60s, 120s.\n * See: https://github.com/link-assistant/agent/issues/142\n */\n export function timeoutDelay(attempt: number): number {\n const index = Math.min(attempt - 1, TIMEOUT_DELAYS.length - 1);\n return TIMEOUT_DELAYS[index];\n }\n}\n",
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"content": " 1→import z from 'zod';\n 2→import path from 'path';\n 3→import { Config } from '../config/config';\n 4→import { mergeDeep, sortBy } from 'remeda';\n 5→import { NoSuchModelError, type LanguageModel, type Provider as SDK } from 'ai';\n 6→import { Log } from '../util/log';\n 7→import { BunProc } from '../bun';\n 8→import { ModelsDev } from './models';\n 9→import { NamedError } from '../util/error';\n 10→import { Auth } from '../auth';\n 11→import { ClaudeOAuth } from '../auth/claude-oauth';\n 12→import { AuthPlugins } from '../auth/plugins';\n 13→import { Instance } from '../project/instance';\n 14→import { Global } from '../global';\n 15→import { Flag } from '../flag/flag';\n 16→import { iife } from '../util/iife';\n 17→import { createEchoModel } from './echo';\n 18→import { createCacheModel } from './cache';\n 19→import { RetryFetch } from './retry-fetch';\n 20→\n 21→export namespace Provider {\n 22→ const log = Log.create({ service: 'provider' });\n 23→\n 24→ type CustomLoader = (provider: ModelsDev.Provider) => Promise<{\n 25→ autoload: boolean;\n 26→ getModel?: (\n 27→ sdk: any,\n 28→ modelID: string,\n 29→ options?: Record<string, any>\n 30→ ) => Promise<any>;\n 31→ options?: Record<string, any>;\n 32→ }>;\n 33→\n 34→ type Source = 'env' | 'config' | 'custom' | 'api';\n 35→\n 36→ const CUSTOM_LOADERS: Record<string, CustomLoader> = {\n 37→ async anthropic(input) {\n 38→ // Check if OAuth credentials are available via the auth plugin\n 39→ const auth = await Auth.get('anthropic');\n 40→ if (auth?.type === 'oauth') {\n 41→ log.info(() => ({ message: 'using anthropic oauth credentials' }));\n 42→ const loaderFn = await AuthPlugins.getLoader('anthropic');\n 43→ if (loaderFn) {\n 44→ const result = await loaderFn(() => Auth.get('anthropic'), input);\n 45→ if (result.fetch) {\n 46→ return {\n 47→ autoload: true,\n 48→ options: {\n 49→ apiKey: result.apiKey || '',\n 50→ fetch: result.fetch,\n 51→ headers: {\n 52→ 'anthropic-beta':\n 53→ 'oauth-2025-04-20,claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n 54→ },\n 55→ },\n 56→ };\n 57→ }\n 58→ }\n 59→ }\n 60→ // Default: API key auth\n 61→ return {\n 62→ autoload: false,\n 63→ options: {\n 64→ headers: {\n 65→ 'anthropic-beta':\n 66→ 'claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n 67→ },\n 68→ },\n 69→ };\n 70→ },\n 71→ async opencode(input) {\n 72→ const hasKey = await (async () => {\n 73→ if (input.env.some((item) => process.env[item])) return true;\n 74→ if (await Auth.get(input.id)) return true;\n 75→ return false;\n 76→ })();\n 77→\n 78→ if (!hasKey) {\n 79→ for (const [key, value] of Object.entries(input.models)) {\n 80→ if (value.cost.input === 0) continue;\n 81→ delete input.models[key];\n 82→ }\n 83→ }\n 84→\n 85→ return {\n 86→ autoload: Object.keys(input.models).length > 0,\n 87→ options: hasKey ? {} : { apiKey: 'public' },\n 88→ };\n 89→ },\n 90→ openai: async () => {\n 91→ return {\n 92→ autoload: false,\n 93→ async getModel(\n 94→ sdk: any,\n 95→ modelID: string,\n 96→ _options?: Record<string, any>\n 97→ ) {\n 98→ return sdk.responses(modelID);\n 99→ },\n 100→ options: {},\n 101→ };\n 102→ },\n 103→ azure: async () => {\n 104→ return {\n 105→ autoload: false,\n 106→ async getModel(\n 107→ sdk: any,\n 108→ modelID: string,\n 109→ options?: Record<string, any>\n 110→ ) {\n 111→ if (options?.['useCompletionUrls']) {\n 112→ return sdk.chat(modelID);\n 113→ } else {\n 114→ return sdk.responses(modelID);\n 115→ }\n 116→ },\n 117→ options: {},\n 118→ };\n 119→ },\n 120→ 'azure-cognitive-services': async () => {\n 121→ const resourceName =\n 122→ process.env['AZURE_COGNITIVE_SERVICES_RESOURCE_NAME'];\n 123→ return {\n 124→ autoload: false,\n 125→ async getModel(\n 126→ sdk: any,\n 127→ modelID: string,\n 128→ options?: Record<string, any>\n 129→ ) {\n 130→ if (options?.['useCompletionUrls']) {\n 131→ return sdk.chat(modelID);\n 132→ } else {\n 133→ return sdk.responses(modelID);\n 134→ }\n 135→ },\n 136→ options: {\n 137→ baseURL: resourceName\n 138→ ? `https://${resourceName}.cognitiveservices.azure.com/openai`\n 139→ : undefined,\n 140→ },\n 141→ };\n 142→ },\n 143→ 'amazon-bedrock': async () => {\n 144→ if (\n 145→ !process.env['AWS_PROFILE'] &&\n 146→ !process.env['AWS_ACCESS_KEY_ID'] &&\n 147→ !process.env['AWS_BEARER_TOKEN_BEDROCK']\n 148→ )\n 149→ return { autoload: false };\n 150→\n 151→ const region = process.env['AWS_REGION'] ?? 'us-east-1';\n 152→\n 153→ const { fromNodeProviderChain } = await import(\n 154→ await BunProc.install('@aws-sdk/credential-providers')\n 155→ );\n 156→ return {\n 157→ autoload: true,\n 158→ options: {\n 159→ region,\n 160→ credentialProvider: fromNodeProviderChain(),\n 161→ },\n 162→ async getModel(\n 163→ sdk: any,\n 164→ modelID: string,\n 165→ _options?: Record<string, any>\n 166→ ) {\n 167→ let regionPrefix = region.split('-')[0];\n 168→\n 169→ switch (regionPrefix) {\n 170→ case 'us': {\n 171→ const modelRequiresPrefix = [\n 172→ 'nova-micro',\n 173→ 'nova-lite',\n 174→ 'nova-pro',\n 175→ 'nova-premier',\n 176→ 'claude',\n 177→ 'deepseek',\n 178→ ].some((m) => modelID.includes(m));\n 179→ const isGovCloud = region.startsWith('us-gov');\n 180→ if (modelRequiresPrefix && !isGovCloud) {\n 181→ modelID = `${regionPrefix}.${modelID}`;\n 182→ }\n 183→ break;\n 184→ }\n 185→ case 'eu': {\n 186→ const regionRequiresPrefix = [\n 187→ 'eu-west-1',\n 188→ 'eu-west-2',\n 189→ 'eu-west-3',\n 190→ 'eu-north-1',\n 191→ 'eu-central-1',\n 192→ 'eu-south-1',\n 193→ 'eu-south-2',\n 194→ ].some((r) => region.includes(r));\n 195→ const modelRequiresPrefix = [\n 196→ 'claude',\n 197→ 'nova-lite',\n 198→ 'nova-micro',\n 199→ 'llama3',\n 200→ 'pixtral',\n 201→ ].some((m) => modelID.includes(m));\n 202→ if (regionRequiresPrefix && modelRequiresPrefix) {\n 203→ modelID = `${regionPrefix}.${modelID}`;\n 204→ }\n 205→ break;\n 206→ }\n 207→ case 'ap': {\n 208→ const isAustraliaRegion = [\n 209→ 'ap-southeast-2',\n 210→ 'ap-southeast-4',\n 211→ ].includes(region);\n 212→ if (\n 213→ isAustraliaRegion &&\n 214→ ['anthropic.claude-sonnet-4-5', 'anthropic.claude-haiku'].some(\n 215→ (m) => modelID.includes(m)\n 216→ )\n 217→ ) {\n 218→ regionPrefix = 'au';\n 219→ modelID = `${regionPrefix}.${modelID}`;\n 220→ } else {\n 221→ const modelRequiresPrefix = [\n 222→ 'claude',\n 223→ 'nova-lite',\n 224→ 'nova-micro',\n 225→ 'nova-pro',\n 226→ ].some((m) => modelID.includes(m));\n 227→ if (modelRequiresPrefix) {\n 228→ regionPrefix = 'apac';\n 229→ modelID = `${regionPrefix}.${modelID}`;\n 230→ }\n 231→ }\n 232→ break;\n 233→ }\n 234→ }\n 235→\n 236→ return sdk.languageModel(modelID);\n 237→ },\n 238→ };\n 239→ },\n 240→ openrouter: async () => {\n 241→ return {\n 242→ autoload: false,\n 243→ options: {\n 244→ headers: {\n 245→ 'HTTP-Referer': 'https://opencode.ai/',\n 246→ 'X-Title': 'opencode',\n 247→ },\n 248→ },\n 249→ };\n 250→ },\n 251→ vercel: async () => {\n 252→ return {\n 253→ autoload: false,\n 254→ options: {\n 255→ headers: {\n 256→ 'http-referer': 'https://opencode.ai/',\n 257→ 'x-title': 'opencode',\n 258→ },\n 259→ },\n 260→ };\n 261→ },\n 262→ 'google-vertex': async () => {\n 263→ const project =\n 264→ process.env['GOOGLE_CLOUD_PROJECT'] ??\n 265→ process.env['GCP_PROJECT'] ??\n 266→ process.env['GCLOUD_PROJECT'];\n 267→ const location =\n 268→ process.env['GOOGLE_CLOUD_LOCATION'] ??\n 269→ process.env['VERTEX_LOCATION'] ??\n 270→ 'us-east5';\n 271→ const autoload = Boolean(project);\n 272→ if (!autoload) return { autoload: false };\n 273→ return {\n 274→ autoload: true,\n 275→ options: {\n 276→ project,\n 277→ location,\n 278→ },\n 279→ async getModel(sdk: any, modelID: string) {\n 280→ const id = String(modelID).trim();\n 281→ return sdk.languageModel(id);\n 282→ },\n 283→ };\n 284→ },\n 285→ 'google-vertex-anthropic': async () => {\n 286→ const project =\n 287→ process.env['GOOGLE_CLOUD_PROJECT'] ??\n 288→ process.env['GCP_PROJECT'] ??\n 289→ process.env['GCLOUD_PROJECT'];\n 290→ const location =\n 291→ process.env['GOOGLE_CLOUD_LOCATION'] ??\n 292→ process.env['VERTEX_LOCATION'] ??\n 293→ 'global';\n 294→ const autoload = Boolean(project);\n 295→ if (!autoload) return { autoload: false };\n 296→ return {\n 297→ autoload: true,\n 298→ options: {\n 299→ project,\n 300→ location,\n 301→ },\n 302→ async getModel(sdk: any, modelID: string) {\n 303→ const id = String(modelID).trim();\n 304→ return sdk.languageModel(id);\n 305→ },\n 306→ };\n 307→ },\n 308→ zenmux: async () => {\n 309→ return {\n 310→ autoload: false,\n 311→ options: {\n 312→ headers: {\n 313→ 'HTTP-Referer': 'https://opencode.ai/',\n 314→ 'X-Title': 'opencode',\n 315→ },\n 316→ },\n 317→ };\n 318→ },\n 319→ groq: async () => {\n 320→ return {\n 321→ autoload: false,\n 322→ options: {},\n 323→ };\n 324→ },\n 325→ /**\n 326→ * Kilo provider - access to 500+ AI models through Kilo Gateway\n 327→ * Uses OpenRouter-compatible API at https://api.kilo.ai/api/openrouter\n 328→ *\n 329→ * Authentication required: run `agent auth login` and select \"Kilo Gateway\"\n 330→ * For API key authentication, set KILO_API_KEY environment variable\n 331→ *\n 332→ * Free models available after authentication:\n 333→ * - GLM-5 (z-ai/glm-5) - Free limited time, flagship Z.AI model\n 334→ * - GLM 4.7 (z-ai/glm-4.7:free) - Free, agent-centric model\n 335→ * - Kimi K2.5 (moonshot/kimi-k2.5:free) - Free, agentic capabilities\n 336→ * - MiniMax M2.1 (minimax/m2.1:free) - Free, general-purpose\n 337→ * - Giga Potato (giga-potato:free) - Free evaluation model\n 338→ *\n 339→ * @see https://kilo.ai/docs/gateway\n 340→ * @see https://kilo.ai/docs/advanced-usage/free-and-budget-models\n 341→ * @see https://github.com/Kilo-Org/kilo/tree/main/packages/kilo-gateway\n 342→ */\n 343→ kilo: async (input) => {\n 344→ const hasKey = await (async () => {\n 345→ if (input.env.some((item) => process.env[item])) return true;\n 346→ if (await Auth.get(input.id)) return true;\n 347→ return false;\n 348→ })();\n 349→\n 350→ // Filter to only free models when no API key\n 351→ if (!hasKey) {\n 352→ for (const [key, value] of Object.entries(input.models)) {\n 353→ // Keep only free models (cost.input === 0) when no API key\n 354→ if (value.cost.input === 0) continue;\n 355→ delete input.models[key];\n 356→ }\n 357→ }\n 358→\n 359→ // Build options\n 360→ const options: Record<string, any> = {};\n 361→\n 362→ // Kilo-specific headers for the OpenRouter-compatible API\n 363→ // @see https://github.com/Kilo-Org/kilo/blob/main/packages/kilo-gateway/src/headers.ts\n 364→ const headers: Record<string, string> = {\n 365→ 'User-Agent': 'opencode-kilo-provider',\n 366→ 'X-KILOCODE-EDITORNAME': 'link-assistant-agent',\n 367→ };\n 368→\n 369→ // Pass KILO_ORG_ID if available\n 370→ if (process.env['KILO_ORG_ID']) {\n 371→ headers['X-KILOCODE-ORGANIZATIONID'] = process.env['KILO_ORG_ID'];\n 372→ }\n 373→\n 374→ options.headers = headers;\n 375→\n 376→ // Use auth token if available (from `agent auth login` -> Kilo device auth)\n 377→ if (!hasKey) {\n 378→ // Without authentication, use 'anonymous' key\n 379→ // Note: The Kilo API may reject anonymous requests for completions.\n 380→ // Users should authenticate via `agent auth login` for reliable access.\n 381→ options.apiKey = 'anonymous';\n 382→ } else {\n 383→ // If we have stored auth, the loader will provide the token\n 384→ const auth = await Auth.get(input.id);\n 385→ if (auth) {\n 386→ if (auth.type === 'api') {\n 387→ options.apiKey = auth.key;\n 388→ } else if (auth.type === 'oauth') {\n 389→ options.apiKey = auth.access;\n 390→ }\n 391→ }\n 392→ }\n 393→\n 394→ return {\n 395→ autoload: Object.keys(input.models).length > 0,\n 396→ options,\n 397→ };\n 398→ },\n 399→ /**\n 400→ * Qwen Coder OAuth provider for Qwen subscription users\n 401→ * Uses OAuth credentials from agent auth login (Qwen Coder Subscription)\n 402→ *\n 403→ * To authenticate, run: agent auth login (select Qwen Coder)\n 404→ */\n 405→ 'qwen-coder': async (input) => {\n 406→ const auth = await Auth.get('qwen-coder');\n 407→ if (auth?.type === 'oauth') {\n 408→ log.info(() => ({\n 409→ message: 'using qwen-coder oauth credentials',\n 410→ }));\n 411→ const loaderFn = await AuthPlugins.getLoader('qwen-coder');\n 412→ if (loaderFn) {\n 413→ const result = await loaderFn(() => Auth.get('qwen-coder'), input);\n 414→ if (result.fetch) {\n 415→ return {\n 416→ autoload: true,\n 417→ options: {\n 418→ apiKey: result.apiKey || '',\n 419→ baseURL: result.baseURL,\n 420→ fetch: result.fetch,\n 421→ },\n 422→ };\n 423→ }\n 424→ }\n 425→ }\n 426→ // Default: not auto-loaded without OAuth\n 427→ return { autoload: false };\n 428→ },\n 429→ /**\n 430→ * Alibaba OAuth provider (alias for Qwen Coder)\n 431→ * Uses OAuth credentials from agent auth login (Alibaba / Qwen Coder Subscription)\n 432→ *\n 433→ * To authenticate, run: agent auth login (select Alibaba)\n 434→ */\n 435→ alibaba: async (input) => {\n 436→ const auth = await Auth.get('alibaba');\n 437→ if (auth?.type === 'oauth') {\n 438→ log.info(() => ({\n 439→ message: 'using alibaba oauth credentials',\n 440→ }));\n 441→ const loaderFn = await AuthPlugins.getLoader('alibaba');\n 442→ if (loaderFn) {\n 443→ const result = await loaderFn(() => Auth.get('alibaba'), input);\n 444→ if (result.fetch) {\n 445→ return {\n 446→ autoload: true,\n 447→ options: {\n 448→ apiKey: result.apiKey || '',\n 449→ baseURL: result.baseURL,\n 450→ fetch: result.fetch,\n 451→ },\n 452→ };\n 453→ }\n 454→ }\n 455→ }\n 456→ // Default: not auto-loaded without OAuth\n 457→ return { autoload: false };\n 458→ },\n 459→ /**\n 460→ * Google OAuth provider for Gemini subscription users\n 461→ * Uses OAuth credentials from agent auth login (Google AI Pro/Ultra)\n 462→ *\n 463→ * To authenticate, run: agent auth google\n 464→ */\n 465→ google: async (input) => {\n 466→ const auth = await Auth.get('google');\n 467→ if (auth?.type === 'oauth') {\n 468→ log.info(() => ({ message: 'using google oauth credentials' }));\n 469→ const loaderFn = await AuthPlugins.getLoader('google');\n 470→ if (loaderFn) {\n 471→ const result = await loaderFn(() => Auth.get('google'), input);\n 472→ if (result.fetch) {\n 473→ return {\n 474→ autoload: true,\n 475→ options: {\n 476→ apiKey: result.apiKey || '',\n 477→ fetch: result.fetch,\n 478→ },\n 479→ };\n 480→ }\n 481→ }\n 482→ }\n 483→ // Default: API key auth (no OAuth credentials found)\n 484→ return { autoload: false };\n 485→ },\n 486→ /**\n 487→ * GitHub Copilot OAuth provider\n 488→ * Uses OAuth credentials from agent auth login\n 489→ */\n 490→ 'github-copilot': async (input) => {\n 491→ const auth = await Auth.get('github-copilot');\n 492→ if (auth?.type === 'oauth') {\n 493→ log.info(() => ({\n 494→ message: 'using github copilot oauth credentials',\n 495→ }));\n 496→ const loaderFn = await AuthPlugins.getLoader('github-copilot');\n 497→ if (loaderFn) {\n 498→ const result = await loaderFn(\n 499→ () => Auth.get('github-copilot'),\n 500→ input\n 501→ );\n 502→ if (result.fetch) {\n 503→ return {\n 504→ autoload: true,\n 505→ options: {\n 506→ apiKey: result.apiKey || '',\n 507→ baseURL: result.baseURL,\n 508→ fetch: result.fetch,\n 509→ },\n 510→ };\n 511→ }\n 512→ }\n 513→ }\n 514→ return { autoload: false };\n 515→ },\n 516→ /**\n 517→ * GitHub Copilot Enterprise OAuth provider\n 518→ * Uses OAuth credentials from agent auth login with enterprise URL\n 519→ */\n 520→ 'github-copilot-enterprise': async (input) => {\n 521→ const auth = await Auth.get('github-copilot-enterprise');\n 522→ if (auth?.type === 'oauth') {\n 523→ log.info(() => ({\n 524→ message: 'using github copilot enterprise oauth credentials',\n 525→ }));\n 526→ const loaderFn = await AuthPlugins.getLoader('github-copilot');\n 527→ if (loaderFn) {\n 528→ const result = await loaderFn(\n 529→ () => Auth.get('github-copilot-enterprise'),\n 530→ input\n 531→ );\n 532→ if (result.fetch) {\n 533→ return {\n 534→ autoload: true,\n 535→ options: {\n 536→ apiKey: result.apiKey || '',\n 537→ baseURL: result.baseURL,\n 538→ fetch: result.fetch,\n 539→ },\n 540→ };\n 541→ }\n 542→ }\n 543→ }\n 544→ return { autoload: false };\n 545→ },\n 546→ /**\n 547→ * Claude OAuth provider - uses Claude OAuth credentials to access\n 548→ * Anthropic models via the Claude API.\n 549→ *\n 550→ * This provider supports two methods:\n 551→ * 1. Environment variable: CLAUDE_CODE_OAUTH_TOKEN\n 552→ * 2. Credentials file: ~/.claude/.credentials.json (from Claude Code CLI or our auth command)\n 553→ *\n 554→ * OAuth tokens use Bearer authentication (Authorization header)\n 555→ * instead of x-api-key authentication used by standard API keys.\n 556→ *\n 557→ * To authenticate, run: agent auth claude\n 558→ */\n 559→ 'claude-oauth': async (input) => {\n 560→ // Check for OAuth token from environment variable first\n 561→ let oauthToken = process.env['CLAUDE_CODE_OAUTH_TOKEN'];\n 562→ let tokenSource = 'environment';\n 563→\n 564→ if (!oauthToken) {\n 565→ // Check for OAuth credentials from credentials file\n 566→ const claudeCreds = await ClaudeOAuth.getCredentials();\n 567→ if (claudeCreds) {\n 568→ oauthToken = claudeCreds.accessToken;\n 569→ tokenSource = `credentials file (${claudeCreds.subscriptionType ?? 'unknown'})`;\n 570→ }\n 571→ }\n 572→\n 573→ if (!oauthToken) {\n 574→ return { autoload: false };\n 575→ }\n 576→\n 577→ log.info(() => ({\n 578→ message: 'using claude oauth credentials',\n 579→ source: tokenSource,\n 580→ }));\n 581→\n 582→ // Create authenticated fetch with Bearer token and OAuth beta header\n 583→ const customFetch = ClaudeOAuth.createAuthenticatedFetch(oauthToken);\n 584→\n 585→ return {\n 586→ autoload: true,\n 587→ options: {\n 588→ // Use a placeholder key to satisfy the SDK's API key requirement\n 589→ // The actual authentication is done via Bearer token in customFetch\n 590→ apiKey: 'oauth-token-placeholder',\n 591→ fetch: customFetch,\n 592→ headers: {\n 593→ 'anthropic-beta':\n 594→ 'oauth-2025-04-20,claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n 595→ },\n 596→ },\n 597→ };\n 598→ },\n 599→ /**\n 600→ * Echo provider - synthetic provider for dry-run testing\n 601→ * Echoes back the user's input without making actual API calls.\n 602→ *\n 603→ * This provider is automatically enabled when --dry-run mode is active.\n 604→ * It can also be used explicitly with: --model link-assistant/echo\n 605→ *\n 606→ * @see https://github.com/link-assistant/agent/issues/89\n 607→ */\n 608→ 'link-assistant': async () => {\n 609→ // Echo provider is always available - no external dependencies needed\n 610→ return {\n 611→ autoload: Flag.OPENCODE_DRY_RUN, // Auto-load only in dry-run mode\n 612→ async getModel(_sdk: any, modelID: string) {\n 613→ // Return our custom echo model that implements LanguageModelV1\n 614→ return createEchoModel(modelID);\n 615→ },\n 616→ options: {},\n 617→ };\n 618→ },\n 619→ /**\n 620→ * Cache provider - synthetic provider for caching API responses\n 621→ * Caches responses using links notation for deterministic testing.\n 622→ *\n 623→ * This provider caches API responses and falls back to echo behavior.\n 624→ * It can be used explicitly with: --model link-assistant/cache/opencode/grok-code\n 625→ *\n 626→ * @see https://github.com/link-assistant/agent/issues/89\n 627→ */\n 628→ 'link-assistant/cache': async () => {\n 629→ // Cache provider is always available - no external dependencies needed\n 630→ return {\n 631→ autoload: false, // Not auto-loaded\n 632→ async getModel(_sdk: any, modelID: string) {\n 633→ // modelID should be in format \"provider/model\" like \"opencode/grok-code\"\n 634→ const parts = modelID.split('/');\n 635→ if (parts.length < 2) {\n 636→ throw new Error(\n 637→ `Invalid cache model ID: ${modelID}. Expected format: provider/model`\n 638→ );\n 639→ }\n 640→ const [providerId, ...modelParts] = parts;\n 641→ const actualModelId = modelParts.join('/');\n 642→\n 643→ // Return our custom cache model that implements LanguageModelV1\n 644→ return createCacheModel(providerId, actualModelId);\n 645→ },\n 646→ options: {},\n 647→ };\n 648→ },\n 649→ };\n 650→\n 651→ const state = Instance.state(async () => {\n 652→ using _ = log.time('state');\n 653→ const config = await Config.get();\n 654→ const database = await ModelsDev.get();\n 655→\n 656→ const providers: {\n 657→ [providerID: string]: {\n 658→ source: Source;\n 659→ info: ModelsDev.Provider;\n 660→ getModel?: (\n 661→ sdk: any,\n 662→ modelID: string,\n 663→ options?: Record<string, any>\n 664→ ) => Promise<any>;\n 665→ options: Record<string, any>;\n 666→ };\n 667→ } = {};\n 668→ const models = new Map<\n 669→ string,\n 670→ {\n 671→ providerID: string;\n 672→ modelID: string;\n 673→ info: ModelsDev.Model;\n 674→ language: LanguageModel;\n 675→ npm?: string;\n 676→ }\n 677→ >();\n 678→ const sdk = new Map<number, SDK>();\n 679→ // Maps `${provider}/${key}` to the provider’s actual model ID for custom aliases.\n 680→ const realIdByKey = new Map<string, string>();\n 681→\n 682→ log.info(() => ({ message: 'init' }));\n 683→\n 684→ function mergeProvider(\n 685→ id: string,\n 686→ options: Record<string, any>,\n 687→ source: Source,\n 688→ getModel?: (\n 689→ sdk: any,\n 690→ modelID: string,\n 691→ options?: Record<string, any>\n 692→ ) => Promise<any>\n 693→ ) {\n 694→ const provider = providers[id];\n 695→ if (!provider) {\n 696→ const info = database[id];\n 697→ if (!info) return;\n 698→ if (info.api && !options['baseURL']) options['baseURL'] = info.api;\n 699→ providers[id] = {\n 700→ source,\n 701→ info,\n 702→ options,\n 703→ getModel,\n 704→ };\n 705→ return;\n 706→ }\n 707→ provider.options = mergeDeep(provider.options, options);\n 708→ provider.source = source;\n 709→ provider.getModel = getModel ?? provider.getModel;\n 710→ }\n 711→\n 712→ const configProviders = Object.entries(config.provider ?? {});\n 713→\n 714→ // Add GitHub Copilot Enterprise provider that inherits from GitHub Copilot\n 715→ if (database['github-copilot']) {\n 716→ const githubCopilot = database['github-copilot'];\n 717→ database['github-copilot-enterprise'] = {\n 718→ ...githubCopilot,\n 719→ id: 'github-copilot-enterprise',\n 720→ name: 'GitHub Copilot Enterprise',\n 721→ // Enterprise uses a different API endpoint - will be set dynamically based on auth\n 722→ api: undefined,\n 723→ };\n 724→ }\n 725→\n 726→ // Add Claude OAuth provider that inherits from Anthropic\n 727→ // This allows using Claude Code CLI OAuth credentials with the Anthropic API\n 728→ if (database['anthropic']) {\n 729→ const anthropic = database['anthropic'];\n 730→ database['claude-oauth'] = {\n 731→ ...anthropic,\n 732→ id: 'claude-oauth',\n 733→ name: 'Claude OAuth',\n 734→ // Use CLAUDE_CODE_OAUTH_TOKEN environment variable\n 735→ env: ['CLAUDE_CODE_OAUTH_TOKEN'],\n 736→ };\n 737→ }\n 738→\n 739→ // Add gemini-3-pro alias for google provider\n 740→ // The actual model in Google's API is gemini-3-pro-preview, but we add gemini-3-pro as an alias for convenience\n 741→ if (database['google']?.models['gemini-3-pro-preview']) {\n 742→ const gemini3ProPreview =\n 743→ database['google'].models['gemini-3-pro-preview'];\n 744→ database['google'].models['gemini-3-pro'] = {\n 745→ ...gemini3ProPreview,\n 746→ id: 'gemini-3-pro-preview',\n 747→ name: 'Gemini 3 Pro',\n 748→ };\n 749→ realIdByKey.set('google/gemini-3-pro', 'gemini-3-pro-preview');\n 750→ }\n 751→\n 752→ // Add link-assistant echo provider for dry-run testing\n 753→ // This synthetic provider echoes back user input without API calls\n 754→ // @see https://github.com/link-assistant/agent/issues/89\n 755→ database['link-assistant'] = {\n 756→ id: 'link-assistant',\n 757→ name: 'Link Assistant (Echo)',\n 758→ env: [], // No environment variables needed - synthetic provider\n 759→ models: {\n 760→ echo: {\n 761→ id: 'echo',\n 762→ name: 'Echo Model',\n 763→ release_date: '2024-01-01',\n 764→ attachment: false,\n 765→ reasoning: false,\n 766→ temperature: false,\n 767→ tool_call: true,\n 768→ cost: {\n 769→ input: 0,\n 770→ output: 0,\n 771→ cache_read: 0,\n 772→ cache_write: 0,\n 773→ },\n 774→ limit: {\n 775→ context: 1000000, // Virtually unlimited\n 776→ output: 100000,\n 777→ },\n 778→ modalities: {\n 779→ input: ['text'],\n 780→ output: ['text'],\n 781→ },\n 782→ options: {},\n 783→ },\n 784→ },\n 785→ };\n 786→\n 787→ // Add link-assistant/cache provider for caching API responses\n 788→ // This synthetic provider caches responses and falls back to echo\n 789→ // @see https://github.com/link-assistant/agent/issues/89\n 790→ database['link-assistant/cache'] = {\n 791→ id: 'link-assistant/cache',\n 792→ name: 'Link Assistant (Cache)',\n 793→ env: [], // No environment variables needed - synthetic provider\n 794→ models: {}, // Models are dynamically created based on the provider/model syntax\n 795→ };\n 796→\n 797→ // Add Kilo provider for access to 500+ AI models through Kilo Gateway\n 798→ // Free models available: GLM-5, GLM 4.7, Kimi K2.5, MiniMax M2.1, Giga Potato\n 799→ // @see https://kilo.ai/docs/gateway\n 800→ // @see https://github.com/link-assistant/agent/issues/159\n 801→ database['kilo'] = {\n 802→ id: 'kilo',\n 803→ name: 'Kilo Gateway',\n 804→ npm: '@openrouter/ai-sdk-provider',\n 805→ api: 'https://api.kilo.ai/api/openrouter',\n 806→ env: ['KILO_API_KEY'],\n 807→ models: {\n 808→ // GLM-5 - Flagship Z.AI model, free tier\n 809→ // Kilo API model ID: z-ai/glm-5:free (NOT z-ai/glm-5 which is paid)\n 810→ 'glm-5-free': {\n 811→ id: 'z-ai/glm-5:free',\n 812→ name: 'GLM-5 (Free)',\n 813→ release_date: '2026-02-11',\n 814→ attachment: false,\n 815→ reasoning: true,\n 816→ temperature: true,\n 817→ tool_call: true,\n 818→ cost: {\n 819→ input: 0,\n 820→ output: 0,\n 821→ cache_read: 0,\n 822→ cache_write: 0,\n 823→ },\n 824→ limit: {\n 825→ context: 202800,\n 826→ output: 131072,\n 827→ },\n 828→ modalities: {\n 829→ input: ['text'],\n 830→ output: ['text'],\n 831→ },\n 832→ options: {},\n 833→ },\n 834→ // GLM 4.5 Air - Free Z.AI model (replaces non-existent glm-4.7:free)\n 835→ // Kilo API model ID: z-ai/glm-4.5-air:free\n 836→ 'glm-4.5-air-free': {\n 837→ id: 'z-ai/glm-4.5-air:free',\n 838→ name: 'GLM 4.5 Air (Free)',\n 839→ release_date: '2026-01-15',\n 840→ attachment: false,\n 841→ reasoning: true,\n 842→ temperature: true,\n 843→ tool_call: true,\n 844→ cost: {\n 845→ input: 0,\n 846→ output: 0,\n 847→ cache_read: 0,\n 848→ cache_write: 0,\n 849→ },\n 850→ limit: {\n 851→ context: 131072,\n 852→ output: 96000,\n 853→ },\n 854→ modalities: {\n 855→ input: ['text'],\n 856→ output: ['text'],\n 857→ },\n 858→ options: {},\n 859→ },\n 860→ // MiniMax M2.5 - General-purpose, free (upgraded from M2.1)\n 861→ // Kilo API model ID: minimax/minimax-m2.5:free\n 862→ 'minimax-m2.5-free': {\n 863→ id: 'minimax/minimax-m2.5:free',\n 864→ name: 'MiniMax M2.5 (Free)',\n 865→ release_date: '2026-01-01',\n 866→ attachment: false,\n 867→ reasoning: true,\n 868→ temperature: true,\n 869→ tool_call: true,\n 870→ cost: {\n 871→ input: 0,\n 872→ output: 0,\n 873→ cache_read: 0,\n 874→ cache_write: 0,\n 875→ },\n 876→ limit: {\n 877→ context: 204800,\n 878→ output: 131072,\n 879→ },\n 880→ modalities: {\n 881→ input: ['text'],\n 882→ output: ['text'],\n 883→ },\n 884→ options: {},\n 885→ },\n 886→ // Giga Potato - Free evaluation model\n 887→ // Kilo API model ID: giga-potato (no :free suffix)\n 888→ 'giga-potato-free': {\n 889→ id: 'giga-potato',\n 890→ name: 'Giga Potato (Free)',\n 891→ release_date: '2026-01-01',\n 892→ attachment: true,\n 893→ reasoning: true,\n 894→ temperature: true,\n 895→ tool_call: true,\n 896→ cost: {\n 897→ input: 0,\n 898→ output: 0,\n 899→ cache_read: 0,\n 900→ cache_write: 0,\n 901→ },\n 902→ limit: {\n 903→ context: 256000,\n 904→ output: 32000,\n 905→ },\n 906→ modalities: {\n 907→ input: ['text', 'image'],\n 908→ output: ['text'],\n 909→ },\n 910→ options: {},\n 911→ },\n 912→ // Trinity Large Preview - Preview model from Arcee AI\n 913→ // Kilo API model ID: arcee-ai/trinity-large-preview:free\n 914→ 'trinity-large-preview': {\n 915→ id: 'arcee-ai/trinity-large-preview:free',\n 916→ name: 'Trinity Large Preview (Free)',\n 917→ release_date: '2026-01-01',\n 918→ attachment: false,\n 919→ reasoning: false,\n 920→ temperature: true,\n 921→ tool_call: true,\n 922→ cost: {\n 923→ input: 0,\n 924→ output: 0,\n 925→ cache_read: 0,\n 926→ cache_write: 0,\n 927→ },\n 928→ limit: {\n 929→ context: 131000,\n 930→ output: 65536,\n 931→ },\n 932→ modalities: {\n 933→ input: ['text'],\n 934→ output: ['text'],\n 935→ },\n 936→ options: {},\n 937→ },\n 938→ // DeepSeek R1 - Reasoning model, free\n 939→ // Kilo API model ID: deepseek/deepseek-r1-0528:free\n 940→ 'deepseek-r1-free': {\n 941→ id: 'deepseek/deepseek-r1-0528:free',\n 942→ name: 'DeepSeek R1 (Free)',\n 943→ release_date: '2025-05-28',\n 944→ attachment: false,\n 945→ reasoning: true,\n 946→ temperature: true,\n 947→ tool_call: false,\n 948→ cost: {\n 949→ input: 0,\n 950→ output: 0,\n 951→ cache_read: 0,\n 952→ cache_write: 0,\n 953→ },\n 954→ limit: {\n 955→ context: 163840,\n 956→ output: 163840,\n 957→ },\n 958→ modalities: {\n 959→ input: ['text'],\n 960→ output: ['text'],\n 961→ },\n 962→ options: {},\n 963→ },\n 964→ },\n 965→ };\n 966→\n 967→ for (const [providerID, provider] of configProviders) {\n 968→ const existing = database[providerID];\n 969→ const parsed: ModelsDev.Provider = {\n 970→ id: providerID,\n 971→ npm: provider.npm ?? existing?.npm,\n 972→ name: provider.name ?? existing?.name ?? providerID,\n 973→ env: provider.env ?? existing?.env ?? [],\n 974→ api: provider.api ?? existing?.api,\n 975→ models: existing?.models ?? {},\n 976→ };\n 977→\n 978→ for (const [modelID, model] of Object.entries(provider.models ?? {})) {\n 979→ const existing = parsed.models[model.id ?? modelID];\n 980→ const name = iife(() => {\n 981→ if (model.name) return model.name;\n 982→ if (model.id && model.id !== modelID) return modelID;\n 983→ return existing?.name ?? modelID;\n 984→ });\n 985→ const parsedModel: ModelsDev.Model = {\n 986→ id: modelID,\n 987→ name,\n 988→ release_date: model.release_date ?? existing?.release_date,\n 989→ attachment: model.attachment ?? existing?.attachment ?? false,\n 990→ reasoning: model.reasoning ?? existing?.reasoning ?? false,\n 991→ temperature: model.temperature ?? existing?.temperature ?? false,\n 992→ tool_call: model.tool_call ?? existing?.tool_call ?? true,\n 993→ cost:\n 994→ !model.cost && !existing?.cost\n 995→ ? {\n 996→ input: 0,\n 997→ output: 0,\n 998→ cache_read: 0,\n 999→ cache_write: 0,\n 1000→ }\n 1001→ : {\n 1002→ cache_read: 0,\n 1003→ cache_write: 0,\n 1004→ ...existing?.cost,\n 1005→ ...model.cost,\n 1006→ },\n 1007→ options: {\n 1008→ ...existing?.options,\n 1009→ ...model.options,\n 1010→ },\n 1011→ limit: model.limit ??\n 1012→ existing?.limit ?? {\n 1013→ context: 0,\n 1014→ output: 0,\n 1015→ },\n 1016→ modalities: model.modalities ??\n 1017→ existing?.modalities ?? {\n 1018→ input: ['text'],\n 1019→ output: ['text'],\n 1020→ },\n 1021→ headers: model.headers,\n 1022→ provider: model.provider ?? existing?.provider,\n 1023→ };\n 1024→ if (model.id && model.id !== modelID) {\n 1025→ realIdByKey.set(`${providerID}/${modelID}`, model.id);\n 1026→ }\n 1027→ parsed.models[modelID] = parsedModel;\n 1028→ }\n 1029→ database[providerID] = parsed;\n 1030→ }\n 1031→\n 1032→ const disabled = await Config.get().then(\n 1033→ (cfg) => new Set(cfg.disabled_providers ?? [])\n 1034→ );\n 1035→ // load env\n 1036→ for (const [providerID, provider] of Object.entries(database)) {\n 1037→ if (disabled.has(providerID)) continue;\n 1038→ // Find the first truthy env var (supports multiple env var options like Google's\n 1039→ // GOOGLE_GENERATIVE_AI_API_KEY and GEMINI_API_KEY)\n 1040→ const apiKey = provider.env\n 1041→ .map((item) => process.env[item])\n 1042→ .find(Boolean);\n 1043→ if (!apiKey) continue;\n 1044→ // Always pass the API key - the provider SDK needs it for authentication\n 1045→ mergeProvider(providerID, { apiKey }, 'env');\n 1046→ }\n 1047→\n 1048→ // load apikeys\n 1049→ for (const [providerID, provider] of Object.entries(await Auth.all())) {\n 1050→ if (disabled.has(providerID)) continue;\n 1051→ if (provider.type === 'api') {\n 1052→ mergeProvider(providerID, { apiKey: provider.key }, 'api');\n 1053→ }\n 1054→ }\n 1055→\n 1056→ // load custom\n 1057→ for (const [providerID, fn] of Object.entries(CUSTOM_LOADERS)) {\n 1058→ if (disabled.has(providerID)) continue;\n 1059→ const result = await fn(database[providerID]);\n 1060→ if (result && (result.autoload || providers[providerID])) {\n 1061→ mergeProvider(\n 1062→ providerID,\n 1063→ result.options ?? {},\n 1064→ 'custom',\n 1065→ result.getModel\n 1066→ );\n 1067→ }\n 1068→ }\n 1069→\n 1070→ // load config\n 1071→ for (const [providerID, provider] of configProviders) {\n 1072→ mergeProvider(providerID, provider.options ?? {}, 'config');\n 1073→ }\n 1074→\n 1075→ for (const [providerID, provider] of Object.entries(providers)) {\n 1076→ const filteredModels = Object.fromEntries(\n 1077→ Object.entries(provider.info.models)\n 1078→ // Filter out blacklisted models\n 1079→ .filter(\n 1080→ ([modelID]) =>\n 1081→ modelID !== 'gpt-5-chat-latest' &&\n 1082→ !(providerID === 'openrouter' && modelID === 'openai/gpt-5-chat')\n 1083→ )\n 1084→ // Filter out experimental models\n 1085→ .filter(\n 1086→ ([, model]) =>\n 1087→ ((!model.experimental && model.status !== 'alpha') ||\n 1088→ Flag.OPENCODE_ENABLE_EXPERIMENTAL_MODELS) &&\n 1089→ model.status !== 'deprecated'\n 1090→ )\n 1091→ );\n 1092→ provider.info.models = filteredModels;\n 1093→\n 1094→ if (Object.keys(provider.info.models).length === 0) {\n 1095→ delete providers[providerID];\n 1096→ continue;\n 1097→ }\n 1098→ log.info(() => ({ message: 'found', providerID }));\n 1099→ }\n 1100→\n 1101→ return {\n 1102→ models,\n 1103→ providers,\n 1104→ sdk,\n 1105→ realIdByKey,\n 1106→ };\n 1107→ });\n 1108→\n 1109→ export async function list() {\n 1110→ return state().then((state) => state.providers);\n 1111→ }\n 1112→\n 1113→ async function getSDK(provider: ModelsDev.Provider, model: ModelsDev.Model) {\n 1114→ return (async () => {\n 1115→ using _ = log.time('getSDK', {\n 1116→ providerID: provider.id,\n 1117→ });\n 1118→ const s = await state();\n 1119→ const pkg = model.provider?.npm ?? provider.npm ?? provider.id;\n 1120→ const options = { ...s.providers[provider.id]?.options };\n 1121→ if (\n 1122→ pkg.includes('@ai-sdk/openai-compatible') &&\n 1123→ options['includeUsage'] === undefined\n 1124→ ) {\n 1125→ options['includeUsage'] = true;\n 1126→ }\n 1127→ const key = Bun.hash.xxHash32(JSON.stringify({ pkg, options }));\n 1128→ const existing = s.sdk.get(key);\n 1129→ if (existing) return existing;\n 1130→\n 1131→ let installedPath: string;\n 1132→ if (!pkg.startsWith('file://')) {\n 1133→ log.info(() => ({\n 1134→ message: 'installing provider package',\n 1135→ providerID: provider.id,\n 1136→ pkg,\n 1137→ version: 'latest',\n 1138→ }));\n 1139→ installedPath = await BunProc.install(pkg, 'latest');\n 1140→ log.info(() => ({\n 1141→ message: 'provider package installed successfully',\n 1142→ providerID: provider.id,\n 1143→ pkg,\n 1144→ installedPath,\n 1145→ }));\n 1146→ } else {\n 1147→ log.info(() => ({ message: 'loading local provider', pkg }));\n 1148→ installedPath = pkg;\n 1149→ }\n 1150→\n 1151→ // The `google-vertex-anthropic` provider points to the `@ai-sdk/google-vertex` package.\n 1152→ // Ref: https://github.com/sst/models.dev/blob/0a87de42ab177bebad0620a889e2eb2b4a5dd4ab/providers/google-vertex-anthropic/provider.toml\n 1153→ // However, the actual export is at the subpath `@ai-sdk/google-vertex/anthropic`.\n 1154→ // Ref: https://ai-sdk.dev/providers/ai-sdk-providers/google-vertex#google-vertex-anthropic-provider-usage\n 1155→ // In addition, Bun's dynamic import logic does not support subpath imports,\n 1156→ // so we patch the import path to load directly from `dist`.\n 1157→ const modPath =\n 1158→ provider.id === 'google-vertex-anthropic'\n 1159→ ? `${installedPath}/dist/anthropic/index.mjs`\n 1160→ : installedPath;\n 1161→ const mod = await import(modPath);\n 1162→ if (options['timeout'] !== undefined && options['timeout'] !== null) {\n 1163→ // Preserve custom fetch if it exists, wrap it with timeout logic\n 1164→ const customFetch = options['fetch'];\n 1165→ options['fetch'] = async (input: any, init?: BunFetchRequestInit) => {\n 1166→ const { signal, ...rest } = init ?? {};\n 1167→\n 1168→ const signals: AbortSignal[] = [];\n 1169→ if (signal) signals.push(signal);\n 1170→ if (options['timeout'] !== false)\n 1171→ signals.push(AbortSignal.timeout(options['timeout']));\n 1172→\n 1173→ const combined =\n 1174→ signals.length > 1 ? AbortSignal.any(signals) : signals[0];\n 1175→\n 1176→ const fetchFn = customFetch ?? fetch;\n 1177→ return fetchFn(input, {\n 1178→ ...rest,\n 1179→ signal: combined,\n 1180→ // @ts-ignore see here: https://github.com/oven-sh/bun/issues/16682\n 1181→ timeout: false,\n 1182→ });\n 1183→ };\n 1184→ }\n 1185→\n 1186→ // Wrap fetch with retry logic for rate limit handling (HTTP 429)\n 1187→ // This ensures the agent's time-based retry (7-week timeout) is respected\n 1188→ // instead of the AI SDK's fixed retry count (3 attempts)\n 1189→ // See: https://github.com/link-assistant/agent/issues/167\n 1190→ const existingFetch = options['fetch'] ?? fetch;\n 1191→ options['fetch'] = RetryFetch.wrap(existingFetch, {\n 1192→ sessionID: provider.id,\n 1193→ });\n 1194→\n 1195→ const fn = mod[Object.keys(mod).find((key) => key.startsWith('create'))!];\n 1196→ const loaded = fn({\n 1197→ name: provider.id,\n 1198→ ...options,\n 1199→ });\n 1200→ s.sdk.set(key, loaded);\n 1201→ return loaded as SDK;\n 1202→ })().catch((e) => {\n 1203→ log.error(() => ({\n 1204→ message: 'provider initialization failed',\n 1205→ providerID: provider.id,\n 1206→ pkg: model.provider?.npm ?? provider.npm ?? provider.id,\n 1207→ error: e instanceof Error ? e.message : String(e),\n 1208→ stack: e instanceof Error ? e.stack : undefined,\n 1209→ cause: e instanceof Error && e.cause ? String(e.cause) : undefined,\n 1210→ }));\n 1211→ throw new InitError({ providerID: provider.id }, { cause: e });\n 1212→ });\n 1213→ }\n 1214→\n 1215→ export async function getProvider(providerID: string) {\n 1216→ return state().then((s) => s.providers[providerID]);\n 1217→ }\n 1218→\n 1219→ export async function getModel(providerID: string, modelID: string) {\n 1220→ const key = `${providerID}/${modelID}`;\n 1221→ const s = await state();\n 1222→ if (s.models.has(key)) return s.models.get(key)!;\n 1223→\n 1224→ log.info(() => ({ message: 'getModel', providerID, modelID }));\n 1225→\n 1226→ const provider = s.providers[providerID];\n 1227→ if (!provider) {\n 1228→ // Check if this model ID might exist in another provider (e.g., OpenRouter)\n 1229→ // This helps users who use formats like \"z-ai/glm-4.7\" instead of \"openrouter/z-ai/glm-4.7\"\n 1230→ const fullModelKey = `${providerID}/${modelID}`;\n 1231→ let suggestion: string | undefined;\n 1232→\n 1233→ for (const [knownProviderID, knownProvider] of Object.entries(\n 1234→ s.providers\n 1235→ )) {\n 1236→ if (knownProvider.info.models[fullModelKey]) {\n 1237→ suggestion = `Did you mean: ${knownProviderID}/${fullModelKey}?`;\n 1238→ break;\n 1239→ }\n 1240→ }\n 1241→\n 1242→ throw new ModelNotFoundError({ providerID, modelID, suggestion });\n 1243→ }\n 1244→\n 1245→ // For synthetic providers (like link-assistant/echo and link-assistant/cache), skip SDK loading\n 1246→ // These providers have a custom getModel function that creates the model directly\n 1247→ const isSyntheticProvider =\n 1248→ providerID === 'link-assistant' || providerID === 'link-assistant/cache';\n 1249→\n 1250→ // For synthetic providers, we don't need model info from the database\n 1251→ const info = isSyntheticProvider ? null : provider.info.models[modelID];\n 1252→ if (!isSyntheticProvider && !info)\n 1253→ throw new ModelNotFoundError({ providerID, modelID });\n 1254→\n 1255→ try {\n 1256→ const keyReal = `${providerID}/${modelID}`;\n 1257→ const realID = s.realIdByKey.get(keyReal) ?? (info ? info.id : modelID);\n 1258→\n 1259→ let language: LanguageModel;\n 1260→ if (isSyntheticProvider && provider.getModel) {\n 1261→ // For synthetic providers, call getModel directly without SDK\n 1262→ language = await provider.getModel(null, realID, provider.options);\n 1263→ } else {\n 1264→ // For regular providers, load the SDK first\n 1265→ const sdk = await getSDK(provider.info, info!);\n 1266→ language = provider.getModel\n 1267→ ? await provider.getModel(sdk, realID, provider.options)\n 1268→ : sdk.languageModel(realID);\n 1269→ }\n 1270→ log.info(() => ({ message: 'found', providerID, modelID }));\n 1271→ s.models.set(key, {\n 1272→ providerID,\n 1273→ modelID,\n 1274→ info,\n 1275→ language,\n 1276→ npm: isSyntheticProvider\n 1277→ ? provider.info.npm\n 1278→ : (info.provider?.npm ?? provider.info.npm),\n 1279→ });\n 1280→ return {\n 1281→ modelID,\n 1282→ providerID,\n 1283→ info,\n 1284→ language,\n 1285→ npm: info.provider?.npm ?? provider.info.npm,\n 1286→ };\n 1287→ } catch (e) {\n 1288→ if (e instanceof NoSuchModelError)\n 1289→ throw new ModelNotFoundError(\n 1290→ {\n 1291→ modelID: modelID,\n 1292→ providerID,\n 1293→ },\n 1294→ { cause: e }\n 1295→ );\n 1296→ throw e;\n 1297→ }\n 1298→ }\n 1299→\n 1300→ export async function getSmallModel(providerID: string) {\n 1301→ const cfg = await Config.get();\n 1302→\n 1303→ if (cfg.small_model) {\n 1304→ const parsed = parseModel(cfg.small_model);\n 1305→ return getModel(parsed.providerID, parsed.modelID);\n 1306→ }\n 1307→\n 1308→ const provider = await state().then((state) => state.providers[providerID]);\n 1309→ if (!provider) return;\n 1310→ let priority = [\n 1311→ 'claude-haiku-4-5',\n 1312→ 'claude-haiku-4.5',\n 1313→ '3-5-haiku',\n 1314→ '3.5-haiku',\n 1315→ 'gemini-2.5-flash',\n 1316→ 'gpt-5-nano',\n 1317→ ];\n 1318→ // claude-haiku-4.5 is considered a premium model in github copilot, we shouldn't use premium requests for title gen\n 1319→ if (providerID === 'github-copilot') {\n 1320→ priority = priority.filter((m) => m !== 'claude-haiku-4.5');\n 1321→ }\n 1322→ if (providerID === 'opencode' || providerID === 'local') {\n 1323→ priority = [\n 1324→ 'kimi-k2.5-free',\n 1325→ 'minimax-m2.1-free',\n 1326→ 'gpt-5-nano',\n 1327→ 'glm-4.7-free',\n 1328→ 'big-pickle',\n 1329→ ];\n 1330→ }\n 1331→ if (providerID === 'kilo') {\n 1332→ priority = [\n 1333→ 'glm-5-free',\n 1334→ 'glm-4.5-air-free',\n 1335→ 'minimax-m2.5-free',\n 1336→ 'deepseek-r1-free',\n 1337→ 'giga-potato-free',\n 1338→ ];\n 1339→ }\n 1340→ for (const item of priority) {\n 1341→ for (const model of Object.keys(provider.info.models)) {\n 1342→ if (model.includes(item)) return getModel(providerID, model);\n 1343→ }\n 1344→ }\n 1345→ }\n 1346→\n 1347→ const priority = [\n 1348→ 'glm-5-free',\n 1349→ 'kimi-k2.5-free',\n 1350→ 'minimax-m2.1-free',\n 1351→ 'gpt-5-nano',\n 1352→ 'glm-4.7-free',\n 1353→ 'big-pickle',\n 1354→ 'gpt-5',\n 1355→ 'claude-sonnet-4',\n 1356→ 'gemini-3-pro',\n 1357→ ];\n 1358→ export function sort(models: ModelsDev.Model[]) {\n 1359→ return sortBy(\n 1360→ models,\n 1361→ [\n 1362→ (model) => priority.findIndex((filter) => model.id.includes(filter)),\n 1363→ 'desc',\n 1364→ ],\n 1365→ [(model) => (model.id.includes('latest') ? 0 : 1), 'asc'],\n 1366→ [(model) => model.id, 'desc']\n 1367→ );\n 1368→ }\n 1369→\n 1370→ export async function defaultModel() {\n 1371→ const cfg = await Config.get();\n 1372→\n 1373→ // In dry-run mode, use the echo provider by default\n 1374→ // This allows testing round-trips and multi-turn conversations without API costs\n 1375→ // @see https://github.com/link-assistant/agent/issues/89\n 1376→ if (Flag.OPENCODE_DRY_RUN) {\n 1377→ log.info('dry-run mode enabled, using echo provider as default');\n 1378→ return {\n 1379→ providerID: 'link-assistant',\n 1380→ modelID: 'echo',\n 1381→ };\n 1382→ }\n 1383→\n 1384→ if (cfg.model) return parseModel(cfg.model);\n 1385→\n 1386→ // Prefer opencode provider if available\n 1387→ const providers = await list().then((val) => Object.values(val));\n 1388→ const opencodeProvider = providers.find((p) => p.info.id === 'opencode');\n 1389→ if (opencodeProvider) {\n 1390→ const [model] = sort(Object.values(opencodeProvider.info.models));\n 1391→ if (model) {\n 1392→ log.info(() => ({\n 1393→ message: 'using opencode provider as default',\n 1394→ provider: opencodeProvider.info.id,\n 1395→ model: model.id,\n 1396→ }));\n 1397→ return {\n 1398→ providerID: opencodeProvider.info.id,\n 1399→ modelID: model.id,\n 1400→ };\n 1401→ }\n 1402→ }\n 1403→\n 1404→ // Fall back to any available provider if opencode is not available\n 1405→ const provider = providers.find(\n 1406→ (p) => !cfg.provider || Object.keys(cfg.provider).includes(p.info.id)\n 1407→ );\n 1408→ if (!provider) throw new Error('no providers found');\n 1409→ const [model] = sort(Object.values(provider.info.models));\n 1410→ if (!model) throw new Error('no models found');\n 1411→ return {\n 1412→ providerID: provider.info.id,\n 1413→ modelID: model.id,\n 1414→ };\n 1415→ }\n 1416→\n 1417→ export function parseModel(model: string) {\n 1418→ const [providerID, ...rest] = model.split('/');\n 1419→ return {\n 1420→ providerID: providerID,\n 1421→ modelID: rest.join('/'),\n 1422→ };\n 1423→ }\n 1424→\n 1425→ /**\n 1426→ * Resolve a short model name (without provider prefix) to the appropriate provider.\n 1427→ * This function finds which provider should handle a model when no explicit provider is specified.\n 1428→ *\n 1429→ * Priority for free models:\n 1430→ * 1. If model is uniquely available in one provider, use that provider\n 1431→ * 2. If model is available in multiple providers, prioritize based on free model availability:\n 1432→ * - kilo: glm-5-free, glm-4.5-air-free, minimax-m2.5-free, giga-potato-free, deepseek-r1-free (unique to Kilo)\n 1433→ * - opencode: big-pickle, gpt-5-nano (unique to OpenCode)\n 1434→ * 3. For shared models, prefer OpenCode first, then fall back to Kilo on rate limit\n 1435→ *\n 1436→ * @param modelID - Short model name without provider prefix\n 1437→ * @returns Provider ID that should handle this model, or undefined if not found\n 1438→ */\n 1439→ export async function resolveShortModelName(\n 1440→ modelID: string\n 1441→ ): Promise<{ providerID: string; modelID: string } | undefined> {\n 1442→ const s = await state();\n 1443→\n 1444→ // Define model-to-provider mappings for free models\n 1445→ // Models unique to Kilo (GLM models from Z.AI are only free on Kilo)\n 1446→ const kiloUniqueModels = [\n 1447→ 'glm-5-free',\n 1448→ 'glm-4.5-air-free',\n 1449→ 'minimax-m2.5-free',\n 1450→ 'giga-potato-free',\n 1451→ 'trinity-large-preview',\n 1452→ 'deepseek-r1-free',\n 1453→ ];\n 1454→\n 1455→ // Check if it's a Kilo-unique model\n 1456→ if (kiloUniqueModels.includes(modelID)) {\n 1457→ const kiloProvider = s.providers['kilo'];\n 1458→ if (kiloProvider && kiloProvider.info.models[modelID]) {\n 1459→ log.info(() => ({\n 1460→ message: 'resolved short model name to kilo (unique)',\n 1461→ modelID,\n 1462→ }));\n 1463→ return { providerID: 'kilo', modelID };\n 1464→ }\n 1465→ }\n 1466→\n 1467→ // Check if model exists in any provider\n 1468→ const matchingProviders: string[] = [];\n 1469→ for (const [providerID, provider] of Object.entries(s.providers)) {\n 1470→ if (provider.info.models[modelID]) {\n 1471→ matchingProviders.push(providerID);\n 1472→ }\n 1473→ }\n 1474→\n 1475→ if (matchingProviders.length === 0) {\n 1476→ return undefined;\n 1477→ }\n 1478→\n 1479→ if (matchingProviders.length === 1) {\n 1480→ const providerID = matchingProviders[0];\n 1481→ log.info(() => ({\n 1482→ message: 'resolved short model name (single match)',\n 1483→ modelID,\n 1484→ providerID,\n 1485→ }));\n 1486→ return { providerID, modelID };\n 1487→ }\n 1488→\n 1489→ // Multiple providers have this model - prefer OpenCode for shared free models\n 1490→ // This follows the convention that opencode is the primary free provider\n 1491→ if (matchingProviders.includes('opencode')) {\n 1492→ log.info(() => ({\n 1493→ message: 'resolved short model name to opencode (multiple providers)',\n 1494→ modelID,\n 1495→ availableProviders: matchingProviders,\n 1496→ }));\n 1497→ return { providerID: 'opencode', modelID };\n 1498→ }\n 1499→\n 1500→ // Fallback to first matching provider\n 1501→ const providerID = matchingProviders[0];\n 1502→ log.info(() => ({\n 1503→ message: 'resolved short model name (fallback)',\n 1504→ modelID,\n 1505→ providerID,\n 1506→ availableProviders: matchingProviders,\n 1507→ }));\n 1508→ return { providerID, modelID };\n 1509→ }\n 1510→\n 1511→ /**\n 1512→ * Parse a model string that may or may not include a provider prefix.\n 1513→ * If no provider is specified, attempts to resolve the short model name to the appropriate provider.\n 1514→ *\n 1515→ * Examples:\n 1516→ * - \"kilo/glm-5-free\" -> { providerID: \"kilo\", modelID: \"glm-5-free\" }\n 1517→ * - \"glm-5-free\" -> { providerID: \"kilo\", modelID: \"glm-5-free\" } (resolved)\n 1518→ * - \"kimi-k2.5-free\" -> { providerID: \"opencode\", modelID: \"kimi-k2.5-free\" } (resolved)\n 1519→ *\n 1520→ * @param model - Model string with or without provider prefix\n 1521→ * @returns Parsed provider ID and model ID\n 1522→ */\n 1523→ export async function parseModelWithResolution(\n 1524→ model: string\n 1525→ ): Promise<{ providerID: string; modelID: string }> {\n 1526→ // Check if model includes a provider prefix\n 1527→ if (model.includes('/')) {\n 1528→ // Explicit provider specified - use it directly\n 1529→ return parseModel(model);\n 1530→ }\n 1531→\n 1532→ // No provider prefix - try to resolve the short model name\n 1533→ const resolved = await resolveShortModelName(model);\n 1534→ if (resolved) {\n 1535→ return resolved;\n 1536→ }\n 1537→\n 1538→ // Unable to resolve - fall back to default behavior (opencode provider)\n 1539→ log.warn(() => ({\n 1540→ message: 'unable to resolve short model name, using opencode as default',\n 1541→ modelID: model,\n 1542→ }));\n 1543→ return {\n 1544→ providerID: 'opencode',\n 1545→ modelID: model,\n 1546→ };\n 1547→ }\n 1548→\n 1549→ /**\n 1550→ * Defines models that are available in multiple free providers.\n 1551→ * When one provider hits rate limits, the system can try an alternative.\n 1552→ *\n 1553→ * Note: This is only used for models without explicit provider specification.\n 1554→ * If user specifies \"kilo/kimi-k2.5-free\", no fallback will occur.\n 1555→ */\n 1556→ const SHARED_FREE_MODELS: Record<string, string[]> = {\n 1557→ // Currently no shared models between OpenCode and Kilo providers.\n 1558→ // Kilo models use different IDs than OpenCode models.\n 1559→ };\n 1560→\n 1561→ /**\n 1562→ * Get alternative providers for a model when the primary provider fails (e.g., rate limited).\n 1563→ * This function returns a list of alternative providers that offer the same model.\n 1564→ *\n 1565→ * Note: This only returns alternatives for models without explicit provider specification.\n 1566→ * If the original request had an explicit provider (like \"kilo/kimi-k2.5-free\"), this returns empty array.\n 1567→ *\n 1568→ * @param modelID - The model ID to find alternatives for\n 1569→ * @param failedProviderID - The provider that failed\n 1570→ * @param wasExplicitProvider - Whether the user explicitly specified the provider\n 1571→ * @returns Array of alternative provider IDs that can serve this model\n 1572→ */\n 1573→ export async function getAlternativeProviders(\n 1574→ modelID: string,\n 1575→ failedProviderID: string,\n 1576→ wasExplicitProvider: boolean\n 1577→ ): Promise<string[]> {\n 1578→ // If the user explicitly specified a provider, don't offer alternatives\n 1579→ if (wasExplicitProvider) {\n 1580→ log.info(() => ({\n 1581→ message: 'no alternative providers (explicit provider specified)',\n 1582→ modelID,\n 1583→ failedProviderID,\n 1584→ }));\n 1585→ return [];\n 1586→ }\n 1587→\n 1588→ // Check if this is a shared model\n 1589→ const sharedProviders = SHARED_FREE_MODELS[modelID];\n 1590→ if (!sharedProviders) {\n 1591→ // Not a shared model, no alternatives\n 1592→ return [];\n 1593→ }\n 1594→\n 1595→ // Get alternative providers (excluding the failed one)\n 1596→ const s = await state();\n 1597→ const alternatives = sharedProviders.filter(\n 1598→ (p) => p !== failedProviderID && s.providers[p]\n 1599→ );\n 1600→\n 1601→ if (alternatives.length > 0) {\n 1602→ log.info(() => ({\n 1603→ message: 'found alternative providers for rate-limited model',\n 1604→ modelID,\n 1605→ failedProviderID,\n 1606→ alternatives,\n 1607→ }));\n 1608→ }\n 1609→\n 1610→ return alternatives;\n 1611→ }\n 1612→\n 1613→ /**\n 1614→ * Checks if an error indicates a rate limit issue.\n 1615→ * @param error - The error to check\n 1616→ * @returns true if the error indicates a rate limit\n 1617→ */\n 1618→ export function isRateLimitError(error: unknown): boolean {\n 1619→ if (!(error instanceof Error)) return false;\n 1620→\n 1621→ const message = error.message.toLowerCase();\n 1622→ const name = error.name.toLowerCase();\n 1623→\n 1624→ return (\n 1625→ message.includes('rate limit') ||\n 1626→ message.includes('ratelimit') ||\n 1627→ message.includes('too many requests') ||\n 1628→ message.includes('429') ||\n 1629→ name.includes('ratelimit')\n 1630→ );\n 1631→ }\n 1632→\n 1633→ export const ModelNotFoundError = NamedError.create(\n 1634→ 'ProviderModelNotFoundError',\n 1635→ z.object({\n 1636→ providerID: z.string(),\n 1637→ modelID: z.string(),\n 1638→ suggestion: z.string().optional(),\n 1639→ })\n 1640→ );\n 1641→\n 1642→ export const InitError = NamedError.create(\n 1643→ 'ProviderInitError',\n 1644→ z.object({\n 1645→ providerID: z.string(),\n 1646→ })\n 1647→ );\n 1648→}\n 1649→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"file": {
"filePath": "/tmp/gh-issue-solver-1771146682667/js/src/provider/provider.ts",
"content": "import z from 'zod';\nimport path from 'path';\nimport { Config } from '../config/config';\nimport { mergeDeep, sortBy } from 'remeda';\nimport { NoSuchModelError, type LanguageModel, type Provider as SDK } from 'ai';\nimport { Log } from '../util/log';\nimport { BunProc } from '../bun';\nimport { ModelsDev } from './models';\nimport { NamedError } from '../util/error';\nimport { Auth } from '../auth';\nimport { ClaudeOAuth } from '../auth/claude-oauth';\nimport { AuthPlugins } from '../auth/plugins';\nimport { Instance } from '../project/instance';\nimport { Global } from '../global';\nimport { Flag } from '../flag/flag';\nimport { iife } from '../util/iife';\nimport { createEchoModel } from './echo';\nimport { createCacheModel } from './cache';\nimport { RetryFetch } from './retry-fetch';\n\nexport namespace Provider {\n const log = Log.create({ service: 'provider' });\n\n type CustomLoader = (provider: ModelsDev.Provider) => Promise<{\n autoload: boolean;\n getModel?: (\n sdk: any,\n modelID: string,\n options?: Record<string, any>\n ) => Promise<any>;\n options?: Record<string, any>;\n }>;\n\n type Source = 'env' | 'config' | 'custom' | 'api';\n\n const CUSTOM_LOADERS: Record<string, CustomLoader> = {\n async anthropic(input) {\n // Check if OAuth credentials are available via the auth plugin\n const auth = await Auth.get('anthropic');\n if (auth?.type === 'oauth') {\n log.info(() => ({ message: 'using anthropic oauth credentials' }));\n const loaderFn = await AuthPlugins.getLoader('anthropic');\n if (loaderFn) {\n const result = await loaderFn(() => Auth.get('anthropic'), input);\n if (result.fetch) {\n return {\n autoload: true,\n options: {\n apiKey: result.apiKey || '',\n fetch: result.fetch,\n headers: {\n 'anthropic-beta':\n 'oauth-2025-04-20,claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n },\n },\n };\n }\n }\n }\n // Default: API key auth\n return {\n autoload: false,\n options: {\n headers: {\n 'anthropic-beta':\n 'claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n },\n },\n };\n },\n async opencode(input) {\n const hasKey = await (async () => {\n if (input.env.some((item) => process.env[item])) return true;\n if (await Auth.get(input.id)) return true;\n return false;\n })();\n\n if (!hasKey) {\n for (const [key, value] of Object.entries(input.models)) {\n if (value.cost.input === 0) continue;\n delete input.models[key];\n }\n }\n\n return {\n autoload: Object.keys(input.models).length > 0,\n options: hasKey ? {} : { apiKey: 'public' },\n };\n },\n openai: async () => {\n return {\n autoload: false,\n async getModel(\n sdk: any,\n modelID: string,\n _options?: Record<string, any>\n ) {\n return sdk.responses(modelID);\n },\n options: {},\n };\n },\n azure: async () => {\n return {\n autoload: false,\n async getModel(\n sdk: any,\n modelID: string,\n options?: Record<string, any>\n ) {\n if (options?.['useCompletionUrls']) {\n return sdk.chat(modelID);\n } else {\n return sdk.responses(modelID);\n }\n },\n options: {},\n };\n },\n 'azure-cognitive-services': async () => {\n const resourceName =\n process.env['AZURE_COGNITIVE_SERVICES_RESOURCE_NAME'];\n return {\n autoload: false,\n async getModel(\n sdk: any,\n modelID: string,\n options?: Record<string, any>\n ) {\n if (options?.['useCompletionUrls']) {\n return sdk.chat(modelID);\n } else {\n return sdk.responses(modelID);\n }\n },\n options: {\n baseURL: resourceName\n ? `https://${resourceName}.cognitiveservices.azure.com/openai`\n : undefined,\n },\n };\n },\n 'amazon-bedrock': async () => {\n if (\n !process.env['AWS_PROFILE'] &&\n !process.env['AWS_ACCESS_KEY_ID'] &&\n !process.env['AWS_BEARER_TOKEN_BEDROCK']\n )\n return { autoload: false };\n\n const region = process.env['AWS_REGION'] ?? 'us-east-1';\n\n const { fromNodeProviderChain } = await import(\n await BunProc.install('@aws-sdk/credential-providers')\n );\n return {\n autoload: true,\n options: {\n region,\n credentialProvider: fromNodeProviderChain(),\n },\n async getModel(\n sdk: any,\n modelID: string,\n _options?: Record<string, any>\n ) {\n let regionPrefix = region.split('-')[0];\n\n switch (regionPrefix) {\n case 'us': {\n const modelRequiresPrefix = [\n 'nova-micro',\n 'nova-lite',\n 'nova-pro',\n 'nova-premier',\n 'claude',\n 'deepseek',\n ].some((m) => modelID.includes(m));\n const isGovCloud = region.startsWith('us-gov');\n if (modelRequiresPrefix && !isGovCloud) {\n modelID = `${regionPrefix}.${modelID}`;\n }\n break;\n }\n case 'eu': {\n const regionRequiresPrefix = [\n 'eu-west-1',\n 'eu-west-2',\n 'eu-west-3',\n 'eu-north-1',\n 'eu-central-1',\n 'eu-south-1',\n 'eu-south-2',\n ].some((r) => region.includes(r));\n const modelRequiresPrefix = [\n 'claude',\n 'nova-lite',\n 'nova-micro',\n 'llama3',\n 'pixtral',\n ].some((m) => modelID.includes(m));\n if (regionRequiresPrefix && modelRequiresPrefix) {\n modelID = `${regionPrefix}.${modelID}`;\n }\n break;\n }\n case 'ap': {\n const isAustraliaRegion = [\n 'ap-southeast-2',\n 'ap-southeast-4',\n ].includes(region);\n if (\n isAustraliaRegion &&\n ['anthropic.claude-sonnet-4-5', 'anthropic.claude-haiku'].some(\n (m) => modelID.includes(m)\n )\n ) {\n regionPrefix = 'au';\n modelID = `${regionPrefix}.${modelID}`;\n } else {\n const modelRequiresPrefix = [\n 'claude',\n 'nova-lite',\n 'nova-micro',\n 'nova-pro',\n ].some((m) => modelID.includes(m));\n if (modelRequiresPrefix) {\n regionPrefix = 'apac';\n modelID = `${regionPrefix}.${modelID}`;\n }\n }\n break;\n }\n }\n\n return sdk.languageModel(modelID);\n },\n };\n },\n openrouter: async () => {\n return {\n autoload: false,\n options: {\n headers: {\n 'HTTP-Referer': 'https://opencode.ai/',\n 'X-Title': 'opencode',\n },\n },\n };\n },\n vercel: async () => {\n return {\n autoload: false,\n options: {\n headers: {\n 'http-referer': 'https://opencode.ai/',\n 'x-title': 'opencode',\n },\n },\n };\n },\n 'google-vertex': async () => {\n const project =\n process.env['GOOGLE_CLOUD_PROJECT'] ??\n process.env['GCP_PROJECT'] ??\n process.env['GCLOUD_PROJECT'];\n const location =\n process.env['GOOGLE_CLOUD_LOCATION'] ??\n process.env['VERTEX_LOCATION'] ??\n 'us-east5';\n const autoload = Boolean(project);\n if (!autoload) return { autoload: false };\n return {\n autoload: true,\n options: {\n project,\n location,\n },\n async getModel(sdk: any, modelID: string) {\n const id = String(modelID).trim();\n return sdk.languageModel(id);\n },\n };\n },\n 'google-vertex-anthropic': async () => {\n const project =\n process.env['GOOGLE_CLOUD_PROJECT'] ??\n process.env['GCP_PROJECT'] ??\n process.env['GCLOUD_PROJECT'];\n const location =\n process.env['GOOGLE_CLOUD_LOCATION'] ??\n process.env['VERTEX_LOCATION'] ??\n 'global';\n const autoload = Boolean(project);\n if (!autoload) return { autoload: false };\n return {\n autoload: true,\n options: {\n project,\n location,\n },\n async getModel(sdk: any, modelID: string) {\n const id = String(modelID).trim();\n return sdk.languageModel(id);\n },\n };\n },\n zenmux: async () => {\n return {\n autoload: false,\n options: {\n headers: {\n 'HTTP-Referer': 'https://opencode.ai/',\n 'X-Title': 'opencode',\n },\n },\n };\n },\n groq: async () => {\n return {\n autoload: false,\n options: {},\n };\n },\n /**\n * Kilo provider - access to 500+ AI models through Kilo Gateway\n * Uses OpenRouter-compatible API at https://api.kilo.ai/api/openrouter\n *\n * Authentication required: run `agent auth login` and select \"Kilo Gateway\"\n * For API key authentication, set KILO_API_KEY environment variable\n *\n * Free models available after authentication:\n * - GLM-5 (z-ai/glm-5) - Free limited time, flagship Z.AI model\n * - GLM 4.7 (z-ai/glm-4.7:free) - Free, agent-centric model\n * - Kimi K2.5 (moonshot/kimi-k2.5:free) - Free, agentic capabilities\n * - MiniMax M2.1 (minimax/m2.1:free) - Free, general-purpose\n * - Giga Potato (giga-potato:free) - Free evaluation model\n *\n * @see https://kilo.ai/docs/gateway\n * @see https://kilo.ai/docs/advanced-usage/free-and-budget-models\n * @see https://github.com/Kilo-Org/kilo/tree/main/packages/kilo-gateway\n */\n kilo: async (input) => {\n const hasKey = await (async () => {\n if (input.env.some((item) => process.env[item])) return true;\n if (await Auth.get(input.id)) return true;\n return false;\n })();\n\n // Filter to only free models when no API key\n if (!hasKey) {\n for (const [key, value] of Object.entries(input.models)) {\n // Keep only free models (cost.input === 0) when no API key\n if (value.cost.input === 0) continue;\n delete input.models[key];\n }\n }\n\n // Build options\n const options: Record<string, any> = {};\n\n // Kilo-specific headers for the OpenRouter-compatible API\n // @see https://github.com/Kilo-Org/kilo/blob/main/packages/kilo-gateway/src/headers.ts\n const headers: Record<string, string> = {\n 'User-Agent': 'opencode-kilo-provider',\n 'X-KILOCODE-EDITORNAME': 'link-assistant-agent',\n };\n\n // Pass KILO_ORG_ID if available\n if (process.env['KILO_ORG_ID']) {\n headers['X-KILOCODE-ORGANIZATIONID'] = process.env['KILO_ORG_ID'];\n }\n\n options.headers = headers;\n\n // Use auth token if available (from `agent auth login` -> Kilo device auth)\n if (!hasKey) {\n // Without authentication, use 'anonymous' key\n // Note: The Kilo API may reject anonymous requests for completions.\n // Users should authenticate via `agent auth login` for reliable access.\n options.apiKey = 'anonymous';\n } else {\n // If we have stored auth, the loader will provide the token\n const auth = await Auth.get(input.id);\n if (auth) {\n if (auth.type === 'api') {\n options.apiKey = auth.key;\n } else if (auth.type === 'oauth') {\n options.apiKey = auth.access;\n }\n }\n }\n\n return {\n autoload: Object.keys(input.models).length > 0,\n options,\n };\n },\n /**\n * Qwen Coder OAuth provider for Qwen subscription users\n * Uses OAuth credentials from agent auth login (Qwen Coder Subscription)\n *\n * To authenticate, run: agent auth login (select Qwen Coder)\n */\n 'qwen-coder': async (input) => {\n const auth = await Auth.get('qwen-coder');\n if (auth?.type === 'oauth') {\n log.info(() => ({\n message: 'using qwen-coder oauth credentials',\n }));\n const loaderFn = await AuthPlugins.getLoader('qwen-coder');\n if (loaderFn) {\n const result = await loaderFn(() => Auth.get('qwen-coder'), input);\n if (result.fetch) {\n return {\n autoload: true,\n options: {\n apiKey: result.apiKey || '',\n baseURL: result.baseURL,\n fetch: result.fetch,\n },\n };\n }\n }\n }\n // Default: not auto-loaded without OAuth\n return { autoload: false };\n },\n /**\n * Alibaba OAuth provider (alias for Qwen Coder)\n * Uses OAuth credentials from agent auth login (Alibaba / Qwen Coder Subscription)\n *\n * To authenticate, run: agent auth login (select Alibaba)\n */\n alibaba: async (input) => {\n const auth = await Auth.get('alibaba');\n if (auth?.type === 'oauth') {\n log.info(() => ({\n message: 'using alibaba oauth credentials',\n }));\n const loaderFn = await AuthPlugins.getLoader('alibaba');\n if (loaderFn) {\n const result = await loaderFn(() => Auth.get('alibaba'), input);\n if (result.fetch) {\n return {\n autoload: true,\n options: {\n apiKey: result.apiKey || '',\n baseURL: result.baseURL,\n fetch: result.fetch,\n },\n };\n }\n }\n }\n // Default: not auto-loaded without OAuth\n return { autoload: false };\n },\n /**\n * Google OAuth provider for Gemini subscription users\n * Uses OAuth credentials from agent auth login (Google AI Pro/Ultra)\n *\n * To authenticate, run: agent auth google\n */\n google: async (input) => {\n const auth = await Auth.get('google');\n if (auth?.type === 'oauth') {\n log.info(() => ({ message: 'using google oauth credentials' }));\n const loaderFn = await AuthPlugins.getLoader('google');\n if (loaderFn) {\n const result = await loaderFn(() => Auth.get('google'), input);\n if (result.fetch) {\n return {\n autoload: true,\n options: {\n apiKey: result.apiKey || '',\n fetch: result.fetch,\n },\n };\n }\n }\n }\n // Default: API key auth (no OAuth credentials found)\n return { autoload: false };\n },\n /**\n * GitHub Copilot OAuth provider\n * Uses OAuth credentials from agent auth login\n */\n 'github-copilot': async (input) => {\n const auth = await Auth.get('github-copilot');\n if (auth?.type === 'oauth') {\n log.info(() => ({\n message: 'using github copilot oauth credentials',\n }));\n const loaderFn = await AuthPlugins.getLoader('github-copilot');\n if (loaderFn) {\n const result = await loaderFn(\n () => Auth.get('github-copilot'),\n input\n );\n if (result.fetch) {\n return {\n autoload: true,\n options: {\n apiKey: result.apiKey || '',\n baseURL: result.baseURL,\n fetch: result.fetch,\n },\n };\n }\n }\n }\n return { autoload: false };\n },\n /**\n * GitHub Copilot Enterprise OAuth provider\n * Uses OAuth credentials from agent auth login with enterprise URL\n */\n 'github-copilot-enterprise': async (input) => {\n const auth = await Auth.get('github-copilot-enterprise');\n if (auth?.type === 'oauth') {\n log.info(() => ({\n message: 'using github copilot enterprise oauth credentials',\n }));\n const loaderFn = await AuthPlugins.getLoader('github-copilot');\n if (loaderFn) {\n const result = await loaderFn(\n () => Auth.get('github-copilot-enterprise'),\n input\n );\n if (result.fetch) {\n return {\n autoload: true,\n options: {\n apiKey: result.apiKey || '',\n baseURL: result.baseURL,\n fetch: result.fetch,\n },\n };\n }\n }\n }\n return { autoload: false };\n },\n /**\n * Claude OAuth provider - uses Claude OAuth credentials to access\n * Anthropic models via the Claude API.\n *\n * This provider supports two methods:\n * 1. Environment variable: CLAUDE_CODE_OAUTH_TOKEN\n * 2. Credentials file: ~/.claude/.credentials.json (from Claude Code CLI or our auth command)\n *\n * OAuth tokens use Bearer authentication (Authorization header)\n * instead of x-api-key authentication used by standard API keys.\n *\n * To authenticate, run: agent auth claude\n */\n 'claude-oauth': async (input) => {\n // Check for OAuth token from environment variable first\n let oauthToken = process.env['CLAUDE_CODE_OAUTH_TOKEN'];\n let tokenSource = 'environment';\n\n if (!oauthToken) {\n // Check for OAuth credentials from credentials file\n const claudeCreds = await ClaudeOAuth.getCredentials();\n if (claudeCreds) {\n oauthToken = claudeCreds.accessToken;\n tokenSource = `credentials file (${claudeCreds.subscriptionType ?? 'unknown'})`;\n }\n }\n\n if (!oauthToken) {\n return { autoload: false };\n }\n\n log.info(() => ({\n message: 'using claude oauth credentials',\n source: tokenSource,\n }));\n\n // Create authenticated fetch with Bearer token and OAuth beta header\n const customFetch = ClaudeOAuth.createAuthenticatedFetch(oauthToken);\n\n return {\n autoload: true,\n options: {\n // Use a placeholder key to satisfy the SDK's API key requirement\n // The actual authentication is done via Bearer token in customFetch\n apiKey: 'oauth-token-placeholder',\n fetch: customFetch,\n headers: {\n 'anthropic-beta':\n 'oauth-2025-04-20,claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n },\n },\n };\n },\n /**\n * Echo provider - synthetic provider for dry-run testing\n * Echoes back the user's input without making actual API calls.\n *\n * This provider is automatically enabled when --dry-run mode is active.\n * It can also be used explicitly with: --model link-assistant/echo\n *\n * @see https://github.com/link-assistant/agent/issues/89\n */\n 'link-assistant': async () => {\n // Echo provider is always available - no external dependencies needed\n return {\n autoload: Flag.OPENCODE_DRY_RUN, // Auto-load only in dry-run mode\n async getModel(_sdk: any, modelID: string) {\n // Return our custom echo model that implements LanguageModelV1\n return createEchoModel(modelID);\n },\n options: {},\n };\n },\n /**\n * Cache provider - synthetic provider for caching API responses\n * Caches responses using links notation for deterministic testing.\n *\n * This provider caches API responses and falls back to echo behavior.\n * It can be used explicitly with: --model link-assistant/cache/opencode/grok-code\n *\n * @see https://github.com/link-assistant/agent/issues/89\n */\n 'link-assistant/cache': async () => {\n // Cache provider is always available - no external dependencies needed\n return {\n autoload: false, // Not auto-loaded\n async getModel(_sdk: any, modelID: string) {\n // modelID should be in format \"provider/model\" like \"opencode/grok-code\"\n const parts = modelID.split('/');\n if (parts.length < 2) {\n throw new Error(\n `Invalid cache model ID: ${modelID}. Expected format: provider/model`\n );\n }\n const [providerId, ...modelParts] = parts;\n const actualModelId = modelParts.join('/');\n\n // Return our custom cache model that implements LanguageModelV1\n return createCacheModel(providerId, actualModelId);\n },\n options: {},\n };\n },\n };\n\n const state = Instance.state(async () => {\n using _ = log.time('state');\n const config = await Config.get();\n const database = await ModelsDev.get();\n\n const providers: {\n [providerID: string]: {\n source: Source;\n info: ModelsDev.Provider;\n getModel?: (\n sdk: any,\n modelID: string,\n options?: Record<string, any>\n ) => Promise<any>;\n options: Record<string, any>;\n };\n } = {};\n const models = new Map<\n string,\n {\n providerID: string;\n modelID: string;\n info: ModelsDev.Model;\n language: LanguageModel;\n npm?: string;\n }\n >();\n const sdk = new Map<number, SDK>();\n // Maps `${provider}/${key}` to the provider’s actual model ID for custom aliases.\n const realIdByKey = new Map<string, string>();\n\n log.info(() => ({ message: 'init' }));\n\n function mergeProvider(\n id: string,\n options: Record<string, any>,\n source: Source,\n getModel?: (\n sdk: any,\n modelID: string,\n options?: Record<string, any>\n ) => Promise<any>\n ) {\n const provider = providers[id];\n if (!provider) {\n const info = database[id];\n if (!info) return;\n if (info.api && !options['baseURL']) options['baseURL'] = info.api;\n providers[id] = {\n source,\n info,\n options,\n getModel,\n };\n return;\n }\n provider.options = mergeDeep(provider.options, options);\n provider.source = source;\n provider.getModel = getModel ?? provider.getModel;\n }\n\n const configProviders = Object.entries(config.provider ?? {});\n\n // Add GitHub Copilot Enterprise provider that inherits from GitHub Copilot\n if (database['github-copilot']) {\n const githubCopilot = database['github-copilot'];\n database['github-copilot-enterprise'] = {\n ...githubCopilot,\n id: 'github-copilot-enterprise',\n name: 'GitHub Copilot Enterprise',\n // Enterprise uses a different API endpoint - will be set dynamically based on auth\n api: undefined,\n };\n }\n\n // Add Claude OAuth provider that inherits from Anthropic\n // This allows using Claude Code CLI OAuth credentials with the Anthropic API\n if (database['anthropic']) {\n const anthropic = database['anthropic'];\n database['claude-oauth'] = {\n ...anthropic,\n id: 'claude-oauth',\n name: 'Claude OAuth',\n // Use CLAUDE_CODE_OAUTH_TOKEN environment variable\n env: ['CLAUDE_CODE_OAUTH_TOKEN'],\n };\n }\n\n // Add gemini-3-pro alias for google provider\n // The actual model in Google's API is gemini-3-pro-preview, but we add gemini-3-pro as an alias for convenience\n if (database['google']?.models['gemini-3-pro-preview']) {\n const gemini3ProPreview =\n database['google'].models['gemini-3-pro-preview'];\n database['google'].models['gemini-3-pro'] = {\n ...gemini3ProPreview,\n id: 'gemini-3-pro-preview',\n name: 'Gemini 3 Pro',\n };\n realIdByKey.set('google/gemini-3-pro', 'gemini-3-pro-preview');\n }\n\n // Add link-assistant echo provider for dry-run testing\n // This synthetic provider echoes back user input without API calls\n // @see https://github.com/link-assistant/agent/issues/89\n database['link-assistant'] = {\n id: 'link-assistant',\n name: 'Link Assistant (Echo)',\n env: [], // No environment variables needed - synthetic provider\n models: {\n echo: {\n id: 'echo',\n name: 'Echo Model',\n release_date: '2024-01-01',\n attachment: false,\n reasoning: false,\n temperature: false,\n tool_call: true,\n cost: {\n input: 0,\n output: 0,\n cache_read: 0,\n cache_write: 0,\n },\n limit: {\n context: 1000000, // Virtually unlimited\n output: 100000,\n },\n modalities: {\n input: ['text'],\n output: ['text'],\n },\n options: {},\n },\n },\n };\n\n // Add link-assistant/cache provider for caching API responses\n // This synthetic provider caches responses and falls back to echo\n // @see https://github.com/link-assistant/agent/issues/89\n database['link-assistant/cache'] = {\n id: 'link-assistant/cache',\n name: 'Link Assistant (Cache)',\n env: [], // No environment variables needed - synthetic provider\n models: {}, // Models are dynamically created based on the provider/model syntax\n };\n\n // Add Kilo provider for access to 500+ AI models through Kilo Gateway\n // Free models available: GLM-5, GLM 4.7, Kimi K2.5, MiniMax M2.1, Giga Potato\n // @see https://kilo.ai/docs/gateway\n // @see https://github.com/link-assistant/agent/issues/159\n database['kilo'] = {\n id: 'kilo',\n name: 'Kilo Gateway',\n npm: '@openrouter/ai-sdk-provider',\n api: 'https://api.kilo.ai/api/openrouter',\n env: ['KILO_API_KEY'],\n models: {\n // GLM-5 - Flagship Z.AI model, free tier\n // Kilo API model ID: z-ai/glm-5:free (NOT z-ai/glm-5 which is paid)\n 'glm-5-free': {\n id: 'z-ai/glm-5:free',\n name: 'GLM-5 (Free)',\n release_date: '2026-02-11',\n attachment: false,\n reasoning: true,\n temperature: true,\n tool_call: true,\n cost: {\n input: 0,\n output: 0,\n cache_read: 0,\n cache_write: 0,\n },\n limit: {\n context: 202800,\n output: 131072,\n },\n modalities: {\n input: ['text'],\n output: ['text'],\n },\n options: {},\n },\n // GLM 4.5 Air - Free Z.AI model (replaces non-existent glm-4.7:free)\n // Kilo API model ID: z-ai/glm-4.5-air:free\n 'glm-4.5-air-free': {\n id: 'z-ai/glm-4.5-air:free',\n name: 'GLM 4.5 Air (Free)',\n release_date: '2026-01-15',\n attachment: false,\n reasoning: true,\n temperature: true,\n tool_call: true,\n cost: {\n input: 0,\n output: 0,\n cache_read: 0,\n cache_write: 0,\n },\n limit: {\n context: 131072,\n output: 96000,\n },\n modalities: {\n input: ['text'],\n output: ['text'],\n },\n options: {},\n },\n // MiniMax M2.5 - General-purpose, free (upgraded from M2.1)\n // Kilo API model ID: minimax/minimax-m2.5:free\n 'minimax-m2.5-free': {\n id: 'minimax/minimax-m2.5:free',\n name: 'MiniMax M2.5 (Free)',\n release_date: '2026-01-01',\n attachment: false,\n reasoning: true,\n temperature: true,\n tool_call: true,\n cost: {\n input: 0,\n output: 0,\n cache_read: 0,\n cache_write: 0,\n },\n limit: {\n context: 204800,\n output: 131072,\n },\n modalities: {\n input: ['text'],\n output: ['text'],\n },\n options: {},\n },\n // Giga Potato - Free evaluation model\n // Kilo API model ID: giga-potato (no :free suffix)\n 'giga-potato-free': {\n id: 'giga-potato',\n name: 'Giga Potato (Free)',\n release_date: '2026-01-01',\n attachment: true,\n reasoning: true,\n temperature: true,\n tool_call: true,\n cost: {\n input: 0,\n output: 0,\n cache_read: 0,\n cache_write: 0,\n },\n limit: {\n context: 256000,\n output: 32000,\n },\n modalities: {\n input: ['text', 'image'],\n output: ['text'],\n },\n options: {},\n },\n // Trinity Large Preview - Preview model from Arcee AI\n // Kilo API model ID: arcee-ai/trinity-large-preview:free\n 'trinity-large-preview': {\n id: 'arcee-ai/trinity-large-preview:free',\n name: 'Trinity Large Preview (Free)',\n release_date: '2026-01-01',\n attachment: false,\n reasoning: false,\n temperature: true,\n tool_call: true,\n cost: {\n input: 0,\n output: 0,\n cache_read: 0,\n cache_write: 0,\n },\n limit: {\n context: 131000,\n output: 65536,\n },\n modalities: {\n input: ['text'],\n output: ['text'],\n },\n options: {},\n },\n // DeepSeek R1 - Reasoning model, free\n // Kilo API model ID: deepseek/deepseek-r1-0528:free\n 'deepseek-r1-free': {\n id: 'deepseek/deepseek-r1-0528:free',\n name: 'DeepSeek R1 (Free)',\n release_date: '2025-05-28',\n attachment: false,\n reasoning: true,\n temperature: true,\n tool_call: false,\n cost: {\n input: 0,\n output: 0,\n cache_read: 0,\n cache_write: 0,\n },\n limit: {\n context: 163840,\n output: 163840,\n },\n modalities: {\n input: ['text'],\n output: ['text'],\n },\n options: {},\n },\n },\n };\n\n for (const [providerID, provider] of configProviders) {\n const existing = database[providerID];\n const parsed: ModelsDev.Provider = {\n id: providerID,\n npm: provider.npm ?? existing?.npm,\n name: provider.name ?? existing?.name ?? providerID,\n env: provider.env ?? existing?.env ?? [],\n api: provider.api ?? existing?.api,\n models: existing?.models ?? {},\n };\n\n for (const [modelID, model] of Object.entries(provider.models ?? {})) {\n const existing = parsed.models[model.id ?? modelID];\n const name = iife(() => {\n if (model.name) return model.name;\n if (model.id && model.id !== modelID) return modelID;\n return existing?.name ?? modelID;\n });\n const parsedModel: ModelsDev.Model = {\n id: modelID,\n name,\n release_date: model.release_date ?? existing?.release_date,\n attachment: model.attachment ?? existing?.attachment ?? false,\n reasoning: model.reasoning ?? existing?.reasoning ?? false,\n temperature: model.temperature ?? existing?.temperature ?? false,\n tool_call: model.tool_call ?? existing?.tool_call ?? true,\n cost:\n !model.cost && !existing?.cost\n ? {\n input: 0,\n output: 0,\n cache_read: 0,\n cache_write: 0,\n }\n : {\n cache_read: 0,\n cache_write: 0,\n ...existing?.cost,\n ...model.cost,\n },\n options: {\n ...existing?.options,\n ...model.options,\n },\n limit: model.limit ??\n existing?.limit ?? {\n context: 0,\n output: 0,\n },\n modalities: model.modalities ??\n existing?.modalities ?? {\n input: ['text'],\n output: ['text'],\n },\n headers: model.headers,\n provider: model.provider ?? existing?.provider,\n };\n if (model.id && model.id !== modelID) {\n realIdByKey.set(`${providerID}/${modelID}`, model.id);\n }\n parsed.models[modelID] = parsedModel;\n }\n database[providerID] = parsed;\n }\n\n const disabled = await Config.get().then(\n (cfg) => new Set(cfg.disabled_providers ?? [])\n );\n // load env\n for (const [providerID, provider] of Object.entries(database)) {\n if (disabled.has(providerID)) continue;\n // Find the first truthy env var (supports multiple env var options like Google's\n // GOOGLE_GENERATIVE_AI_API_KEY and GEMINI_API_KEY)\n const apiKey = provider.env\n .map((item) => process.env[item])\n .find(Boolean);\n if (!apiKey) continue;\n // Always pass the API key - the provider SDK needs it for authentication\n mergeProvider(providerID, { apiKey }, 'env');\n }\n\n // load apikeys\n for (const [providerID, provider] of Object.entries(await Auth.all())) {\n if (disabled.has(providerID)) continue;\n if (provider.type === 'api') {\n mergeProvider(providerID, { apiKey: provider.key }, 'api');\n }\n }\n\n // load custom\n for (const [providerID, fn] of Object.entries(CUSTOM_LOADERS)) {\n if (disabled.has(providerID)) continue;\n const result = await fn(database[providerID]);\n if (result && (result.autoload || providers[providerID])) {\n mergeProvider(\n providerID,\n result.options ?? {},\n 'custom',\n result.getModel\n );\n }\n }\n\n // load config\n for (const [providerID, provider] of configProviders) {\n mergeProvider(providerID, provider.options ?? {}, 'config');\n }\n\n for (const [providerID, provider] of Object.entries(providers)) {\n const filteredModels = Object.fromEntries(\n Object.entries(provider.info.models)\n // Filter out blacklisted models\n .filter(\n ([modelID]) =>\n modelID !== 'gpt-5-chat-latest' &&\n !(providerID === 'openrouter' && modelID === 'openai/gpt-5-chat')\n )\n // Filter out experimental models\n .filter(\n ([, model]) =>\n ((!model.experimental && model.status !== 'alpha') ||\n Flag.OPENCODE_ENABLE_EXPERIMENTAL_MODELS) &&\n model.status !== 'deprecated'\n )\n );\n provider.info.models = filteredModels;\n\n if (Object.keys(provider.info.models).length === 0) {\n delete providers[providerID];\n continue;\n }\n log.info(() => ({ message: 'found', providerID }));\n }\n\n return {\n models,\n providers,\n sdk,\n realIdByKey,\n };\n });\n\n export async function list() {\n return state().then((state) => state.providers);\n }\n\n async function getSDK(provider: ModelsDev.Provider, model: ModelsDev.Model) {\n return (async () => {\n using _ = log.time('getSDK', {\n providerID: provider.id,\n });\n const s = await state();\n const pkg = model.provider?.npm ?? provider.npm ?? provider.id;\n const options = { ...s.providers[provider.id]?.options };\n if (\n pkg.includes('@ai-sdk/openai-compatible') &&\n options['includeUsage'] === undefined\n ) {\n options['includeUsage'] = true;\n }\n const key = Bun.hash.xxHash32(JSON.stringify({ pkg, options }));\n const existing = s.sdk.get(key);\n if (existing) return existing;\n\n let installedPath: string;\n if (!pkg.startsWith('file://')) {\n log.info(() => ({\n message: 'installing provider package',\n providerID: provider.id,\n pkg,\n version: 'latest',\n }));\n installedPath = await BunProc.install(pkg, 'latest');\n log.info(() => ({\n message: 'provider package installed successfully',\n providerID: provider.id,\n pkg,\n installedPath,\n }));\n } else {\n log.info(() => ({ message: 'loading local provider', pkg }));\n installedPath = pkg;\n }\n\n // The `google-vertex-anthropic` provider points to the `@ai-sdk/google-vertex` package.\n // Ref: https://github.com/sst/models.dev/blob/0a87de42ab177bebad0620a889e2eb2b4a5dd4ab/providers/google-vertex-anthropic/provider.toml\n // However, the actual export is at the subpath `@ai-sdk/google-vertex/anthropic`.\n // Ref: https://ai-sdk.dev/providers/ai-sdk-providers/google-vertex#google-vertex-anthropic-provider-usage\n // In addition, Bun's dynamic import logic does not support subpath imports,\n // so we patch the import path to load directly from `dist`.\n const modPath =\n provider.id === 'google-vertex-anthropic'\n ? `${installedPath}/dist/anthropic/index.mjs`\n : installedPath;\n const mod = await import(modPath);\n if (options['timeout'] !== undefined && options['timeout'] !== null) {\n // Preserve custom fetch if it exists, wrap it with timeout logic\n const customFetch = options['fetch'];\n options['fetch'] = async (input: any, init?: BunFetchRequestInit) => {\n const { signal, ...rest } = init ?? {};\n\n const signals: AbortSignal[] = [];\n if (signal) signals.push(signal);\n if (options['timeout'] !== false)\n signals.push(AbortSignal.timeout(options['timeout']));\n\n const combined =\n signals.length > 1 ? AbortSignal.any(signals) : signals[0];\n\n const fetchFn = customFetch ?? fetch;\n return fetchFn(input, {\n ...rest,\n signal: combined,\n // @ts-ignore see here: https://github.com/oven-sh/bun/issues/16682\n timeout: false,\n });\n };\n }\n\n // Wrap fetch with retry logic for rate limit handling (HTTP 429)\n // This ensures the agent's time-based retry (7-week timeout) is respected\n // instead of the AI SDK's fixed retry count (3 attempts)\n // See: https://github.com/link-assistant/agent/issues/167\n const existingFetch = options['fetch'] ?? fetch;\n options['fetch'] = RetryFetch.wrap(existingFetch, {\n sessionID: provider.id,\n });\n\n const fn = mod[Object.keys(mod).find((key) => key.startsWith('create'))!];\n const loaded = fn({\n name: provider.id,\n ...options,\n });\n s.sdk.set(key, loaded);\n return loaded as SDK;\n })().catch((e) => {\n log.error(() => ({\n message: 'provider initialization failed',\n providerID: provider.id,\n pkg: model.provider?.npm ?? provider.npm ?? provider.id,\n error: e instanceof Error ? e.message : String(e),\n stack: e instanceof Error ? e.stack : undefined,\n cause: e instanceof Error && e.cause ? String(e.cause) : undefined,\n }));\n throw new InitError({ providerID: provider.id }, { cause: e });\n });\n }\n\n export async function getProvider(providerID: string) {\n return state().then((s) => s.providers[providerID]);\n }\n\n export async function getModel(providerID: string, modelID: string) {\n const key = `${providerID}/${modelID}`;\n const s = await state();\n if (s.models.has(key)) return s.models.get(key)!;\n\n log.info(() => ({ message: 'getModel', providerID, modelID }));\n\n const provider = s.providers[providerID];\n if (!provider) {\n // Check if this model ID might exist in another provider (e.g., OpenRouter)\n // This helps users who use formats like \"z-ai/glm-4.7\" instead of \"openrouter/z-ai/glm-4.7\"\n const fullModelKey = `${providerID}/${modelID}`;\n let suggestion: string | undefined;\n\n for (const [knownProviderID, knownProvider] of Object.entries(\n s.providers\n )) {\n if (knownProvider.info.models[fullModelKey]) {\n suggestion = `Did you mean: ${knownProviderID}/${fullModelKey}?`;\n break;\n }\n }\n\n throw new ModelNotFoundError({ providerID, modelID, suggestion });\n }\n\n // For synthetic providers (like link-assistant/echo and link-assistant/cache), skip SDK loading\n // These providers have a custom getModel function that creates the model directly\n const isSyntheticProvider =\n providerID === 'link-assistant' || providerID === 'link-assistant/cache';\n\n // For synthetic providers, we don't need model info from the database\n const info = isSyntheticProvider ? null : provider.info.models[modelID];\n if (!isSyntheticProvider && !info)\n throw new ModelNotFoundError({ providerID, modelID });\n\n try {\n const keyReal = `${providerID}/${modelID}`;\n const realID = s.realIdByKey.get(keyReal) ?? (info ? info.id : modelID);\n\n let language: LanguageModel;\n if (isSyntheticProvider && provider.getModel) {\n // For synthetic providers, call getModel directly without SDK\n language = await provider.getModel(null, realID, provider.options);\n } else {\n // For regular providers, load the SDK first\n const sdk = await getSDK(provider.info, info!);\n language = provider.getModel\n ? await provider.getModel(sdk, realID, provider.options)\n : sdk.languageModel(realID);\n }\n log.info(() => ({ message: 'found', providerID, modelID }));\n s.models.set(key, {\n providerID,\n modelID,\n info,\n language,\n npm: isSyntheticProvider\n ? provider.info.npm\n : (info.provider?.npm ?? provider.info.npm),\n });\n return {\n modelID,\n providerID,\n info,\n language,\n npm: info.provider?.npm ?? provider.info.npm,\n };\n } catch (e) {\n if (e instanceof NoSuchModelError)\n throw new ModelNotFoundError(\n {\n modelID: modelID,\n providerID,\n },\n { cause: e }\n );\n throw e;\n }\n }\n\n export async function getSmallModel(providerID: string) {\n const cfg = await Config.get();\n\n if (cfg.small_model) {\n const parsed = parseModel(cfg.small_model);\n return getModel(parsed.providerID, parsed.modelID);\n }\n\n const provider = await state().then((state) => state.providers[providerID]);\n if (!provider) return;\n let priority = [\n 'claude-haiku-4-5',\n 'claude-haiku-4.5',\n '3-5-haiku',\n '3.5-haiku',\n 'gemini-2.5-flash',\n 'gpt-5-nano',\n ];\n // claude-haiku-4.5 is considered a premium model in github copilot, we shouldn't use premium requests for title gen\n if (providerID === 'github-copilot') {\n priority = priority.filter((m) => m !== 'claude-haiku-4.5');\n }\n if (providerID === 'opencode' || providerID === 'local') {\n priority = [\n 'kimi-k2.5-free',\n 'minimax-m2.1-free',\n 'gpt-5-nano',\n 'glm-4.7-free',\n 'big-pickle',\n ];\n }\n if (providerID === 'kilo') {\n priority = [\n 'glm-5-free',\n 'glm-4.5-air-free',\n 'minimax-m2.5-free',\n 'deepseek-r1-free',\n 'giga-potato-free',\n ];\n }\n for (const item of priority) {\n for (const model of Object.keys(provider.info.models)) {\n if (model.includes(item)) return getModel(providerID, model);\n }\n }\n }\n\n const priority = [\n 'glm-5-free',\n 'kimi-k2.5-free',\n 'minimax-m2.1-free',\n 'gpt-5-nano',\n 'glm-4.7-free',\n 'big-pickle',\n 'gpt-5',\n 'claude-sonnet-4',\n 'gemini-3-pro',\n ];\n export function sort(models: ModelsDev.Model[]) {\n return sortBy(\n models,\n [\n (model) => priority.findIndex((filter) => model.id.includes(filter)),\n 'desc',\n ],\n [(model) => (model.id.includes('latest') ? 0 : 1), 'asc'],\n [(model) => model.id, 'desc']\n );\n }\n\n export async function defaultModel() {\n const cfg = await Config.get();\n\n // In dry-run mode, use the echo provider by default\n // This allows testing round-trips and multi-turn conversations without API costs\n // @see https://github.com/link-assistant/agent/issues/89\n if (Flag.OPENCODE_DRY_RUN) {\n log.info('dry-run mode enabled, using echo provider as default');\n return {\n providerID: 'link-assistant',\n modelID: 'echo',\n };\n }\n\n if (cfg.model) return parseModel(cfg.model);\n\n // Prefer opencode provider if available\n const providers = await list().then((val) => Object.values(val));\n const opencodeProvider = providers.find((p) => p.info.id === 'opencode');\n if (opencodeProvider) {\n const [model] = sort(Object.values(opencodeProvider.info.models));\n if (model) {\n log.info(() => ({\n message: 'using opencode provider as default',\n provider: opencodeProvider.info.id,\n model: model.id,\n }));\n return {\n providerID: opencodeProvider.info.id,\n modelID: model.id,\n };\n }\n }\n\n // Fall back to any available provider if opencode is not available\n const provider = providers.find(\n (p) => !cfg.provider || Object.keys(cfg.provider).includes(p.info.id)\n );\n if (!provider) throw new Error('no providers found');\n const [model] = sort(Object.values(provider.info.models));\n if (!model) throw new Error('no models found');\n return {\n providerID: provider.info.id,\n modelID: model.id,\n };\n }\n\n export function parseModel(model: string) {\n const [providerID, ...rest] = model.split('/');\n return {\n providerID: providerID,\n modelID: rest.join('/'),\n };\n }\n\n /**\n * Resolve a short model name (without provider prefix) to the appropriate provider.\n * This function finds which provider should handle a model when no explicit provider is specified.\n *\n * Priority for free models:\n * 1. If model is uniquely available in one provider, use that provider\n * 2. If model is available in multiple providers, prioritize based on free model availability:\n * - kilo: glm-5-free, glm-4.5-air-free, minimax-m2.5-free, giga-potato-free, deepseek-r1-free (unique to Kilo)\n * - opencode: big-pickle, gpt-5-nano (unique to OpenCode)\n * 3. For shared models, prefer OpenCode first, then fall back to Kilo on rate limit\n *\n * @param modelID - Short model name without provider prefix\n * @returns Provider ID that should handle this model, or undefined if not found\n */\n export async function resolveShortModelName(\n modelID: string\n ): Promise<{ providerID: string; modelID: string } | undefined> {\n const s = await state();\n\n // Define model-to-provider mappings for free models\n // Models unique to Kilo (GLM models from Z.AI are only free on Kilo)\n const kiloUniqueModels = [\n 'glm-5-free',\n 'glm-4.5-air-free',\n 'minimax-m2.5-free',\n 'giga-potato-free',\n 'trinity-large-preview',\n 'deepseek-r1-free',\n ];\n\n // Check if it's a Kilo-unique model\n if (kiloUniqueModels.includes(modelID)) {\n const kiloProvider = s.providers['kilo'];\n if (kiloProvider && kiloProvider.info.models[modelID]) {\n log.info(() => ({\n message: 'resolved short model name to kilo (unique)',\n modelID,\n }));\n return { providerID: 'kilo', modelID };\n }\n }\n\n // Check if model exists in any provider\n const matchingProviders: string[] = [];\n for (const [providerID, provider] of Object.entries(s.providers)) {\n if (provider.info.models[modelID]) {\n matchingProviders.push(providerID);\n }\n }\n\n if (matchingProviders.length === 0) {\n return undefined;\n }\n\n if (matchingProviders.length === 1) {\n const providerID = matchingProviders[0];\n log.info(() => ({\n message: 'resolved short model name (single match)',\n modelID,\n providerID,\n }));\n return { providerID, modelID };\n }\n\n // Multiple providers have this model - prefer OpenCode for shared free models\n // This follows the convention that opencode is the primary free provider\n if (matchingProviders.includes('opencode')) {\n log.info(() => ({\n message: 'resolved short model name to opencode (multiple providers)',\n modelID,\n availableProviders: matchingProviders,\n }));\n return { providerID: 'opencode', modelID };\n }\n\n // Fallback to first matching provider\n const providerID = matchingProviders[0];\n log.info(() => ({\n message: 'resolved short model name (fallback)',\n modelID,\n providerID,\n availableProviders: matchingProviders,\n }));\n return { providerID, modelID };\n }\n\n /**\n * Parse a model string that may or may not include a provider prefix.\n * If no provider is specified, attempts to resolve the short model name to the appropriate provider.\n *\n * Examples:\n * - \"kilo/glm-5-free\" -> { providerID: \"kilo\", modelID: \"glm-5-free\" }\n * - \"glm-5-free\" -> { providerID: \"kilo\", modelID: \"glm-5-free\" } (resolved)\n * - \"kimi-k2.5-free\" -> { providerID: \"opencode\", modelID: \"kimi-k2.5-free\" } (resolved)\n *\n * @param model - Model string with or without provider prefix\n * @returns Parsed provider ID and model ID\n */\n export async function parseModelWithResolution(\n model: string\n ): Promise<{ providerID: string; modelID: string }> {\n // Check if model includes a provider prefix\n if (model.includes('/')) {\n // Explicit provider specified - use it directly\n return parseModel(model);\n }\n\n // No provider prefix - try to resolve the short model name\n const resolved = await resolveShortModelName(model);\n if (resolved) {\n return resolved;\n }\n\n // Unable to resolve - fall back to default behavior (opencode provider)\n log.warn(() => ({\n message: 'unable to resolve short model name, using opencode as default',\n modelID: model,\n }));\n return {\n providerID: 'opencode',\n modelID: model,\n };\n }\n\n /**\n * Defines models that are available in multiple free providers.\n * When one provider hits rate limits, the system can try an alternative.\n *\n * Note: This is only used for models without explicit provider specification.\n * If user specifies \"kilo/kimi-k2.5-free\", no fallback will occur.\n */\n const SHARED_FREE_MODELS: Record<string, string[]> = {\n // Currently no shared models between OpenCode and Kilo providers.\n // Kilo models use different IDs than OpenCode models.\n };\n\n /**\n * Get alternative providers for a model when the primary provider fails (e.g., rate limited).\n * This function returns a list of alternative providers that offer the same model.\n *\n * Note: This only returns alternatives for models without explicit provider specification.\n * If the original request had an explicit provider (like \"kilo/kimi-k2.5-free\"), this returns empty array.\n *\n * @param modelID - The model ID to find alternatives for\n * @param failedProviderID - The provider that failed\n * @param wasExplicitProvider - Whether the user explicitly specified the provider\n * @returns Array of alternative provider IDs that can serve this model\n */\n export async function getAlternativeProviders(\n modelID: string,\n failedProviderID: string,\n wasExplicitProvider: boolean\n ): Promise<string[]> {\n // If the user explicitly specified a provider, don't offer alternatives\n if (wasExplicitProvider) {\n log.info(() => ({\n message: 'no alternative providers (explicit provider specified)',\n modelID,\n failedProviderID,\n }));\n return [];\n }\n\n // Check if this is a shared model\n const sharedProviders = SHARED_FREE_MODELS[modelID];\n if (!sharedProviders) {\n // Not a shared model, no alternatives\n return [];\n }\n\n // Get alternative providers (excluding the failed one)\n const s = await state();\n const alternatives = sharedProviders.filter(\n (p) => p !== failedProviderID && s.providers[p]\n );\n\n if (alternatives.length > 0) {\n log.info(() => ({\n message: 'found alternative providers for rate-limited model',\n modelID,\n failedProviderID,\n alternatives,\n }));\n }\n\n return alternatives;\n }\n\n /**\n * Checks if an error indicates a rate limit issue.\n * @param error - The error to check\n * @returns true if the error indicates a rate limit\n */\n export function isRateLimitError(error: unknown): boolean {\n if (!(error instanceof Error)) return false;\n\n const message = error.message.toLowerCase();\n const name = error.name.toLowerCase();\n\n return (\n message.includes('rate limit') ||\n message.includes('ratelimit') ||\n message.includes('too many requests') ||\n message.includes('429') ||\n name.includes('ratelimit')\n );\n }\n\n export const ModelNotFoundError = NamedError.create(\n 'ProviderModelNotFoundError',\n z.object({\n providerID: z.string(),\n modelID: z.string(),\n suggestion: z.string().optional(),\n })\n );\n\n export const InitError = NamedError.create(\n 'ProviderInitError',\n z.object({\n providerID: z.string(),\n })\n );\n}\n",
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[2026-02-15T09:12:11.456Z] [INFO] {
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"text": "Now let me read the processor file to understand how timeouts are used during API calls, and the flag configuration file to understand all timeout settings."
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[2026-02-15T09:12:12.522Z] [INFO] {
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[2026-02-15T09:12:12.526Z] [INFO] {
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{
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"content": " 1→import type { ModelsDev } from '../provider/models';\n 2→import { MessageV2 } from './message-v2';\n 3→import {\n 4→ type StreamTextResult,\n 5→ type Tool as AITool,\n 6→ APICallError,\n 7→ JSONParseError,\n 8→} from 'ai';\n 9→import { Log } from '../util/log';\n 10→import { Identifier } from '../id/id';\n 11→import { Session } from '.';\n 12→import { Agent } from '../agent/agent';\n 13→// Permission system removed - no restrictions\n 14→import { Snapshot } from '../snapshot';\n 15→import { SessionSummary } from './summary';\n 16→import { Bus } from '../bus';\n 17→import { SessionRetry } from './retry';\n 18→import { SessionStatus } from './status';\n 19→\n 20→export namespace SessionProcessor {\n 21→ const DOOM_LOOP_THRESHOLD = 3;\n 22→ const log = Log.create({ service: 'session.processor' });\n 23→\n 24→ export type Info = Awaited<ReturnType<typeof create>>;\n 25→ export type Result = Awaited<ReturnType<Info['process']>>;\n 26→\n 27→ export function create(input: {\n 28→ assistantMessage: MessageV2.Assistant;\n 29→ sessionID: string;\n 30→ providerID: string;\n 31→ model: ModelsDev.Model;\n 32→ abort: AbortSignal;\n 33→ }) {\n 34→ const toolcalls: Record<string, MessageV2.ToolPart> = {};\n 35→ let snapshot: string | undefined;\n 36→ let blocked = false;\n 37→ let attempt = 0;\n 38→\n 39→ const result = {\n 40→ get message() {\n 41→ return input.assistantMessage;\n 42→ },\n 43→ partFromToolCall(toolCallID: string) {\n 44→ return toolcalls[toolCallID];\n 45→ },\n 46→ async process(fn: () => StreamTextResult<Record<string, AITool>, never>) {\n 47→ log.info(() => ({ message: 'process' }));\n 48→ while (true) {\n 49→ try {\n 50→ let currentText: MessageV2.TextPart | undefined;\n 51→ let reasoningMap: Record<string, MessageV2.ReasoningPart> = {};\n 52→ const stream = fn();\n 53→\n 54→ for await (const value of stream.fullStream) {\n 55→ input.abort.throwIfAborted();\n 56→ switch (value.type) {\n 57→ case 'start':\n 58→ SessionStatus.set(input.sessionID, { type: 'busy' });\n 59→ break;\n 60→\n 61→ case 'reasoning-start':\n 62→ if (value.id in reasoningMap) {\n 63→ continue;\n 64→ }\n 65→ reasoningMap[value.id] = {\n 66→ id: Identifier.ascending('part'),\n 67→ messageID: input.assistantMessage.id,\n 68→ sessionID: input.assistantMessage.sessionID,\n 69→ type: 'reasoning',\n 70→ text: '',\n 71→ time: {\n 72→ start: Date.now(),\n 73→ },\n 74→ metadata: value.providerMetadata,\n 75→ };\n 76→ break;\n 77→\n 78→ case 'reasoning-delta':\n 79→ if (value.id in reasoningMap) {\n 80→ const part = reasoningMap[value.id];\n 81→ part.text += value.text;\n 82→ if (value.providerMetadata)\n 83→ part.metadata = value.providerMetadata;\n 84→ if (part.text)\n 85→ await Session.updatePart({ part, delta: value.text });\n 86→ }\n 87→ break;\n 88→\n 89→ case 'reasoning-end':\n 90→ if (value.id in reasoningMap) {\n 91→ const part = reasoningMap[value.id];\n 92→ part.text = part.text.trimEnd();\n 93→\n 94→ part.time = {\n 95→ ...part.time,\n 96→ end: Date.now(),\n 97→ };\n 98→ if (value.providerMetadata)\n 99→ part.metadata = value.providerMetadata;\n 100→ await Session.updatePart(part);\n 101→ delete reasoningMap[value.id];\n 102→ }\n 103→ break;\n 104→\n 105→ case 'tool-input-start':\n 106→ const part = await Session.updatePart({\n 107→ id: toolcalls[value.id]?.id ?? Identifier.ascending('part'),\n 108→ messageID: input.assistantMessage.id,\n 109→ sessionID: input.assistantMessage.sessionID,\n 110→ type: 'tool',\n 111→ tool: value.toolName,\n 112→ callID: value.id,\n 113→ state: {\n 114→ status: 'pending',\n 115→ input: {},\n 116→ raw: '',\n 117→ },\n 118→ });\n 119→ toolcalls[value.id] = part as MessageV2.ToolPart;\n 120→ break;\n 121→\n 122→ case 'tool-input-delta':\n 123→ break;\n 124→\n 125→ case 'tool-input-end':\n 126→ break;\n 127→\n 128→ case 'tool-call': {\n 129→ const match = toolcalls[value.toolCallId];\n 130→ if (match) {\n 131→ const part = await Session.updatePart({\n 132→ ...match,\n 133→ tool: value.toolName,\n 134→ state: {\n 135→ status: 'running',\n 136→ input: value.input,\n 137→ time: {\n 138→ start: Date.now(),\n 139→ },\n 140→ },\n 141→ metadata: value.providerMetadata,\n 142→ });\n 143→ toolcalls[value.toolCallId] = part as MessageV2.ToolPart;\n 144→\n 145→ const parts = await MessageV2.parts(\n 146→ input.assistantMessage.id\n 147→ );\n 148→ const lastThree = parts.slice(-DOOM_LOOP_THRESHOLD);\n 149→\n 150→ if (\n 151→ lastThree.length === DOOM_LOOP_THRESHOLD &&\n 152→ lastThree.every(\n 153→ (p) =>\n 154→ p.type === 'tool' &&\n 155→ p.tool === value.toolName &&\n 156→ p.state.status !== 'pending' &&\n 157→ JSON.stringify(p.state.input) ===\n 158→ JSON.stringify(value.input)\n 159→ )\n 160→ ) {\n 161→ // Permission system removed - doom loop detection disabled\n 162→ }\n 163→ }\n 164→ break;\n 165→ }\n 166→ case 'tool-result': {\n 167→ const match = toolcalls[value.toolCallId];\n 168→ if (match && match.state.status === 'running') {\n 169→ await Session.updatePart({\n 170→ ...match,\n 171→ state: {\n 172→ status: 'completed',\n 173→ input: value.input,\n 174→ output: value.output.output,\n 175→ metadata: value.output.metadata,\n 176→ title: value.output.title,\n 177→ time: {\n 178→ start: match.state.time.start,\n 179→ end: Date.now(),\n 180→ },\n 181→ attachments: value.output.attachments,\n 182→ },\n 183→ });\n 184→\n 185→ delete toolcalls[value.toolCallId];\n 186→ }\n 187→ break;\n 188→ }\n 189→\n 190→ case 'tool-error': {\n 191→ const match = toolcalls[value.toolCallId];\n 192→ if (match && match.state.status === 'running') {\n 193→ await Session.updatePart({\n 194→ ...match,\n 195→ state: {\n 196→ status: 'error',\n 197→ input: value.input,\n 198→ error: (value.error as any).toString(),\n 199→ metadata: undefined,\n 200→ time: {\n 201→ start: match.state.time.start,\n 202→ end: Date.now(),\n 203→ },\n 204→ },\n 205→ });\n 206→\n 207→ // Permission system removed\n 208→ delete toolcalls[value.toolCallId];\n 209→ }\n 210→ break;\n 211→ }\n 212→ case 'error':\n 213→ // Skip stream parse errors (malformed SSE from gateway/provider)\n 214→ // The AI SDK emits these as error events but continues the stream.\n 215→ // Following OpenAI Codex pattern: log and skip bad events.\n 216→ // See: https://github.com/link-assistant/agent/issues/169\n 217→ if (JSONParseError.isInstance(value.error)) {\n 218→ log.warn(() => ({\n 219→ message:\n 220→ 'skipping malformed SSE event (stream parse error)',\n 221→ errorName: (value.error as Error)?.name,\n 222→ errorMessage: (value.error as Error)?.message?.substring(\n 223→ 0,\n 224→ 200\n 225→ ),\n 226→ }));\n 227→ continue;\n 228→ }\n 229→ throw value.error;\n 230→\n 231→ case 'start-step':\n 232→ snapshot = await Snapshot.track();\n 233→ await Session.updatePart({\n 234→ id: Identifier.ascending('part'),\n 235→ messageID: input.assistantMessage.id,\n 236→ sessionID: input.sessionID,\n 237→ snapshot,\n 238→ type: 'step-start',\n 239→ });\n 240→ break;\n 241→\n 242→ case 'finish-step':\n 243→ // Safely handle missing or undefined usage data\n 244→ // Some providers (e.g., OpenCode with Kimi K2.5) may return incomplete usage\n 245→ // See: https://github.com/link-assistant/agent/issues/152\n 246→ const safeUsage = value.usage ?? {\n 247→ inputTokens: 0,\n 248→ outputTokens: 0,\n 249→ totalTokens: 0,\n 250→ };\n 251→ const usage = Session.getUsage({\n 252→ model: input.model,\n 253→ usage: safeUsage,\n 254→ metadata: value.providerMetadata,\n 255→ });\n 256→ // Use toFinishReason to safely convert object/string finishReason to string\n 257→ // See: https://github.com/link-assistant/agent/issues/125\n 258→ const finishReason = Session.toFinishReason(\n 259→ value.finishReason\n 260→ );\n 261→ input.assistantMessage.finish = finishReason;\n 262→ input.assistantMessage.cost += usage.cost;\n 263→ input.assistantMessage.tokens = usage.tokens;\n 264→ await Session.updatePart({\n 265→ id: Identifier.ascending('part'),\n 266→ reason: finishReason,\n 267→ snapshot: await Snapshot.track(),\n 268→ messageID: input.assistantMessage.id,\n 269→ sessionID: input.assistantMessage.sessionID,\n 270→ type: 'step-finish',\n 271→ tokens: usage.tokens,\n 272→ cost: usage.cost,\n 273→ });\n 274→ await Session.updateMessage(input.assistantMessage);\n 275→ if (snapshot) {\n 276→ const patch = await Snapshot.patch(snapshot);\n 277→ if (patch.files.length) {\n 278→ await Session.updatePart({\n 279→ id: Identifier.ascending('part'),\n 280→ messageID: input.assistantMessage.id,\n 281→ sessionID: input.sessionID,\n 282→ type: 'patch',\n 283→ hash: patch.hash,\n 284→ files: patch.files,\n 285→ });\n 286→ }\n 287→ snapshot = undefined;\n 288→ }\n 289→ SessionSummary.summarize({\n 290→ sessionID: input.sessionID,\n 291→ messageID: input.assistantMessage.parentID,\n 292→ });\n 293→ break;\n 294→\n 295→ case 'text-start':\n 296→ currentText = {\n 297→ id: Identifier.ascending('part'),\n 298→ messageID: input.assistantMessage.id,\n 299→ sessionID: input.assistantMessage.sessionID,\n 300→ type: 'text',\n 301→ text: '',\n 302→ time: {\n 303→ start: Date.now(),\n 304→ },\n 305→ metadata: value.providerMetadata,\n 306→ };\n 307→ break;\n 308→\n 309→ case 'text-delta':\n 310→ if (currentText) {\n 311→ // Handle case where value.text might be an object instead of string\n 312→ // See: https://github.com/link-assistant/agent/issues/125\n 313→ const textDelta =\n 314→ typeof value.text === 'string'\n 315→ ? value.text\n 316→ : String(value.text);\n 317→ currentText.text += textDelta;\n 318→ if (value.providerMetadata)\n 319→ currentText.metadata = value.providerMetadata;\n 320→ if (currentText.text)\n 321→ await Session.updatePart({\n 322→ part: currentText,\n 323→ delta: textDelta,\n 324→ });\n 325→ }\n 326→ break;\n 327→\n 328→ case 'text-end':\n 329→ if (currentText) {\n 330→ currentText.text = currentText.text.trimEnd();\n 331→ currentText.time = {\n 332→ start: Date.now(),\n 333→ end: Date.now(),\n 334→ };\n 335→ if (value.providerMetadata)\n 336→ currentText.metadata = value.providerMetadata;\n 337→ await Session.updatePart(currentText);\n 338→ }\n 339→ currentText = undefined;\n 340→ break;\n 341→\n 342→ case 'finish':\n 343→ input.assistantMessage.time.completed = Date.now();\n 344→ await Session.updateMessage(input.assistantMessage);\n 345→ // Clear retry state on successful completion\n 346→ SessionRetry.clearRetryState(input.sessionID);\n 347→ break;\n 348→\n 349→ default:\n 350→ log.info(() => ({ message: 'unhandled', ...value }));\n 351→ continue;\n 352→ }\n 353→ }\n 354→ } catch (e) {\n 355→ log.error(() => ({ message: 'process', error: e }));\n 356→\n 357→ // Check for AI SDK usage-related TypeError (input_tokens undefined)\n 358→ // This happens when providers return incomplete usage data\n 359→ // See: https://github.com/link-assistant/agent/issues/152\n 360→ if (\n 361→ e instanceof TypeError &&\n 362→ (e.message.includes('input_tokens') ||\n 363→ e.message.includes('output_tokens') ||\n 364→ e.message.includes(\"reading 'input_tokens'\") ||\n 365→ e.message.includes(\"reading 'output_tokens'\"))\n 366→ ) {\n 367→ log.warn(() => ({\n 368→ message:\n 369→ 'Provider returned invalid usage data, continuing with zero usage',\n 370→ errorMessage: e.message,\n 371→ providerID: input.providerID,\n 372→ }));\n 373→ // Set default token values to prevent crash\n 374→ input.assistantMessage.tokens = {\n 375→ input: 0,\n 376→ output: 0,\n 377→ reasoning: 0,\n 378→ cache: { read: 0, write: 0 },\n 379→ };\n 380→ // Continue processing instead of failing\n 381→ continue;\n 382→ }\n 383→\n 384→ const error = MessageV2.fromError(e, {\n 385→ providerID: input.providerID,\n 386→ });\n 387→\n 388→ // Check if error is retryable (APIError, SocketConnectionError, TimeoutError)\n 389→ const isRetryableAPIError =\n 390→ error?.name === 'APIError' && error.data.isRetryable;\n 391→ const isRetryableSocketError =\n 392→ error?.name === 'SocketConnectionError' &&\n 393→ error.data.isRetryable &&\n 394→ attempt < SessionRetry.SOCKET_ERROR_MAX_RETRIES;\n 395→ const isRetryableTimeoutError =\n 396→ error?.name === 'TimeoutError' &&\n 397→ error.data.isRetryable &&\n 398→ attempt < SessionRetry.TIMEOUT_MAX_RETRIES;\n 399→\n 400→ // For API errors (rate limits), check if we're within the retry timeout\n 401→ // See: https://github.com/link-assistant/agent/issues/157\n 402→ const retryCheck = isRetryableAPIError\n 403→ ? SessionRetry.shouldRetry(\n 404→ input.sessionID,\n 405→ error.data.statusCode?.toString() ?? 'unknown'\n 406→ )\n 407→ : { shouldRetry: true, elapsedTime: 0, maxTime: 0 };\n 408→\n 409→ if (\n 410→ (isRetryableAPIError && retryCheck.shouldRetry) ||\n 411→ isRetryableSocketError ||\n 412→ isRetryableTimeoutError\n 413→ ) {\n 414→ attempt++;\n 415→ // Use error-specific delay calculation\n 416→ // SessionRetry.delay may throw RetryTimeoutExceededError if retry-after exceeds timeout\n 417→ let delay: number;\n 418→ try {\n 419→ delay =\n 420→ error?.name === 'SocketConnectionError'\n 421→ ? SessionRetry.socketErrorDelay(attempt)\n 422→ : error?.name === 'TimeoutError'\n 423→ ? SessionRetry.timeoutDelay(attempt)\n 424→ : SessionRetry.delay(error, attempt);\n 425→ } catch (delayError) {\n 426→ // If retry-after exceeds AGENT_RETRY_TIMEOUT, fail immediately\n 427→ if (\n 428→ delayError instanceof SessionRetry.RetryTimeoutExceededError\n 429→ ) {\n 430→ log.error(() => ({\n 431→ message: 'retry-after exceeds timeout, failing immediately',\n 432→ retryAfterMs: delayError.retryAfterMs,\n 433→ maxTimeoutMs: delayError.maxTimeoutMs,\n 434→ }));\n 435→ SessionRetry.clearRetryState(input.sessionID);\n 436→ // Create a specific error for this case\n 437→ input.assistantMessage.error = {\n 438→ name: 'RetryTimeoutExceededError',\n 439→ data: {\n 440→ message: delayError.message,\n 441→ isRetryable: false,\n 442→ retryAfterMs: delayError.retryAfterMs,\n 443→ maxTimeoutMs: delayError.maxTimeoutMs,\n 444→ },\n 445→ } as MessageV2.Error;\n 446→ Bus.publish(Session.Event.Error, {\n 447→ sessionID: input.assistantMessage.sessionID,\n 448→ error: input.assistantMessage.error,\n 449→ });\n 450→ break;\n 451→ }\n 452→ throw delayError;\n 453→ }\n 454→ log.info(() => ({\n 455→ message: 'retrying',\n 456→ errorType: error?.name,\n 457→ attempt,\n 458→ delay,\n 459→ elapsedRetryTime: retryCheck.elapsedTime,\n 460→ maxRetryTime: retryCheck.maxTime,\n 461→ }));\n 462→ SessionStatus.set(input.sessionID, {\n 463→ type: 'retry',\n 464→ attempt,\n 465→ message: error.data.message,\n 466→ next: Date.now() + delay,\n 467→ });\n 468→ // Update retry state to track total time\n 469→ SessionRetry.updateRetryState(input.sessionID, delay);\n 470→ await SessionRetry.sleep(delay, input.abort).catch(() => {});\n 471→ continue;\n 472→ }\n 473→\n 474→ // Clear retry state on non-retryable error\n 475→ SessionRetry.clearRetryState(input.sessionID);\n 476→ input.assistantMessage.error = error;\n 477→ Bus.publish(Session.Event.Error, {\n 478→ sessionID: input.assistantMessage.sessionID,\n 479→ error: input.assistantMessage.error,\n 480→ });\n 481→ }\n 482→ const p = await MessageV2.parts(input.assistantMessage.id);\n 483→ for (const part of p) {\n 484→ if (\n 485→ part.type === 'tool' &&\n 486→ part.state.status !== 'completed' &&\n 487→ part.state.status !== 'error'\n 488→ ) {\n 489→ await Session.updatePart({\n 490→ ...part,\n 491→ state: {\n 492→ ...part.state,\n 493→ status: 'error',\n 494→ error: 'Tool execution aborted',\n 495→ time: {\n 496→ start: Date.now(),\n 497→ end: Date.now(),\n 498→ },\n 499→ },\n 500→ });\n 501→ }\n 502→ }\n 503→ input.assistantMessage.time.completed = Date.now();\n 504→ await Session.updateMessage(input.assistantMessage);\n 505→ if (blocked) return 'stop';\n 506→ if (input.assistantMessage.error) return 'stop';\n 507→ return 'continue';\n 508→ }\n 509→ },\n 510→ };\n 511→ return result;\n 512→ }\n 513→}\n 514→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
}
]
},
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"filePath": "/tmp/gh-issue-solver-1771146682667/js/src/session/processor.ts",
"content": "import type { ModelsDev } from '../provider/models';\nimport { MessageV2 } from './message-v2';\nimport {\n type StreamTextResult,\n type Tool as AITool,\n APICallError,\n JSONParseError,\n} from 'ai';\nimport { Log } from '../util/log';\nimport { Identifier } from '../id/id';\nimport { Session } from '.';\nimport { Agent } from '../agent/agent';\n// Permission system removed - no restrictions\nimport { Snapshot } from '../snapshot';\nimport { SessionSummary } from './summary';\nimport { Bus } from '../bus';\nimport { SessionRetry } from './retry';\nimport { SessionStatus } from './status';\n\nexport namespace SessionProcessor {\n const DOOM_LOOP_THRESHOLD = 3;\n const log = Log.create({ service: 'session.processor' });\n\n export type Info = Awaited<ReturnType<typeof create>>;\n export type Result = Awaited<ReturnType<Info['process']>>;\n\n export function create(input: {\n assistantMessage: MessageV2.Assistant;\n sessionID: string;\n providerID: string;\n model: ModelsDev.Model;\n abort: AbortSignal;\n }) {\n const toolcalls: Record<string, MessageV2.ToolPart> = {};\n let snapshot: string | undefined;\n let blocked = false;\n let attempt = 0;\n\n const result = {\n get message() {\n return input.assistantMessage;\n },\n partFromToolCall(toolCallID: string) {\n return toolcalls[toolCallID];\n },\n async process(fn: () => StreamTextResult<Record<string, AITool>, never>) {\n log.info(() => ({ message: 'process' }));\n while (true) {\n try {\n let currentText: MessageV2.TextPart | undefined;\n let reasoningMap: Record<string, MessageV2.ReasoningPart> = {};\n const stream = fn();\n\n for await (const value of stream.fullStream) {\n input.abort.throwIfAborted();\n switch (value.type) {\n case 'start':\n SessionStatus.set(input.sessionID, { type: 'busy' });\n break;\n\n case 'reasoning-start':\n if (value.id in reasoningMap) {\n continue;\n }\n reasoningMap[value.id] = {\n id: Identifier.ascending('part'),\n messageID: input.assistantMessage.id,\n sessionID: input.assistantMessage.sessionID,\n type: 'reasoning',\n text: '',\n time: {\n start: Date.now(),\n },\n metadata: value.providerMetadata,\n };\n break;\n\n case 'reasoning-delta':\n if (value.id in reasoningMap) {\n const part = reasoningMap[value.id];\n part.text += value.text;\n if (value.providerMetadata)\n part.metadata = value.providerMetadata;\n if (part.text)\n await Session.updatePart({ part, delta: value.text });\n }\n break;\n\n case 'reasoning-end':\n if (value.id in reasoningMap) {\n const part = reasoningMap[value.id];\n part.text = part.text.trimEnd();\n\n part.time = {\n ...part.time,\n end: Date.now(),\n };\n if (value.providerMetadata)\n part.metadata = value.providerMetadata;\n await Session.updatePart(part);\n delete reasoningMap[value.id];\n }\n break;\n\n case 'tool-input-start':\n const part = await Session.updatePart({\n id: toolcalls[value.id]?.id ?? Identifier.ascending('part'),\n messageID: input.assistantMessage.id,\n sessionID: input.assistantMessage.sessionID,\n type: 'tool',\n tool: value.toolName,\n callID: value.id,\n state: {\n status: 'pending',\n input: {},\n raw: '',\n },\n });\n toolcalls[value.id] = part as MessageV2.ToolPart;\n break;\n\n case 'tool-input-delta':\n break;\n\n case 'tool-input-end':\n break;\n\n case 'tool-call': {\n const match = toolcalls[value.toolCallId];\n if (match) {\n const part = await Session.updatePart({\n ...match,\n tool: value.toolName,\n state: {\n status: 'running',\n input: value.input,\n time: {\n start: Date.now(),\n },\n },\n metadata: value.providerMetadata,\n });\n toolcalls[value.toolCallId] = part as MessageV2.ToolPart;\n\n const parts = await MessageV2.parts(\n input.assistantMessage.id\n );\n const lastThree = parts.slice(-DOOM_LOOP_THRESHOLD);\n\n if (\n lastThree.length === DOOM_LOOP_THRESHOLD &&\n lastThree.every(\n (p) =>\n p.type === 'tool' &&\n p.tool === value.toolName &&\n p.state.status !== 'pending' &&\n JSON.stringify(p.state.input) ===\n JSON.stringify(value.input)\n )\n ) {\n // Permission system removed - doom loop detection disabled\n }\n }\n break;\n }\n case 'tool-result': {\n const match = toolcalls[value.toolCallId];\n if (match && match.state.status === 'running') {\n await Session.updatePart({\n ...match,\n state: {\n status: 'completed',\n input: value.input,\n output: value.output.output,\n metadata: value.output.metadata,\n title: value.output.title,\n time: {\n start: match.state.time.start,\n end: Date.now(),\n },\n attachments: value.output.attachments,\n },\n });\n\n delete toolcalls[value.toolCallId];\n }\n break;\n }\n\n case 'tool-error': {\n const match = toolcalls[value.toolCallId];\n if (match && match.state.status === 'running') {\n await Session.updatePart({\n ...match,\n state: {\n status: 'error',\n input: value.input,\n error: (value.error as any).toString(),\n metadata: undefined,\n time: {\n start: match.state.time.start,\n end: Date.now(),\n },\n },\n });\n\n // Permission system removed\n delete toolcalls[value.toolCallId];\n }\n break;\n }\n case 'error':\n // Skip stream parse errors (malformed SSE from gateway/provider)\n // The AI SDK emits these as error events but continues the stream.\n // Following OpenAI Codex pattern: log and skip bad events.\n // See: https://github.com/link-assistant/agent/issues/169\n if (JSONParseError.isInstance(value.error)) {\n log.warn(() => ({\n message:\n 'skipping malformed SSE event (stream parse error)',\n errorName: (value.error as Error)?.name,\n errorMessage: (value.error as Error)?.message?.substring(\n 0,\n 200\n ),\n }));\n continue;\n }\n throw value.error;\n\n case 'start-step':\n snapshot = await Snapshot.track();\n await Session.updatePart({\n id: Identifier.ascending('part'),\n messageID: input.assistantMessage.id,\n sessionID: input.sessionID,\n snapshot,\n type: 'step-start',\n });\n break;\n\n case 'finish-step':\n // Safely handle missing or undefined usage data\n // Some providers (e.g., OpenCode with Kimi K2.5) may return incomplete usage\n // See: https://github.com/link-assistant/agent/issues/152\n const safeUsage = value.usage ?? {\n inputTokens: 0,\n outputTokens: 0,\n totalTokens: 0,\n };\n const usage = Session.getUsage({\n model: input.model,\n usage: safeUsage,\n metadata: value.providerMetadata,\n });\n // Use toFinishReason to safely convert object/string finishReason to string\n // See: https://github.com/link-assistant/agent/issues/125\n const finishReason = Session.toFinishReason(\n value.finishReason\n );\n input.assistantMessage.finish = finishReason;\n input.assistantMessage.cost += usage.cost;\n input.assistantMessage.tokens = usage.tokens;\n await Session.updatePart({\n id: Identifier.ascending('part'),\n reason: finishReason,\n snapshot: await Snapshot.track(),\n messageID: input.assistantMessage.id,\n sessionID: input.assistantMessage.sessionID,\n type: 'step-finish',\n tokens: usage.tokens,\n cost: usage.cost,\n });\n await Session.updateMessage(input.assistantMessage);\n if (snapshot) {\n const patch = await Snapshot.patch(snapshot);\n if (patch.files.length) {\n await Session.updatePart({\n id: Identifier.ascending('part'),\n messageID: input.assistantMessage.id,\n sessionID: input.sessionID,\n type: 'patch',\n hash: patch.hash,\n files: patch.files,\n });\n }\n snapshot = undefined;\n }\n SessionSummary.summarize({\n sessionID: input.sessionID,\n messageID: input.assistantMessage.parentID,\n });\n break;\n\n case 'text-start':\n currentText = {\n id: Identifier.ascending('part'),\n messageID: input.assistantMessage.id,\n sessionID: input.assistantMessage.sessionID,\n type: 'text',\n text: '',\n time: {\n start: Date.now(),\n },\n metadata: value.providerMetadata,\n };\n break;\n\n case 'text-delta':\n if (currentText) {\n // Handle case where value.text might be an object instead of string\n // See: https://github.com/link-assistant/agent/issues/125\n const textDelta =\n typeof value.text === 'string'\n ? value.text\n : String(value.text);\n currentText.text += textDelta;\n if (value.providerMetadata)\n currentText.metadata = value.providerMetadata;\n if (currentText.text)\n await Session.updatePart({\n part: currentText,\n delta: textDelta,\n });\n }\n break;\n\n case 'text-end':\n if (currentText) {\n currentText.text = currentText.text.trimEnd();\n currentText.time = {\n start: Date.now(),\n end: Date.now(),\n };\n if (value.providerMetadata)\n currentText.metadata = value.providerMetadata;\n await Session.updatePart(currentText);\n }\n currentText = undefined;\n break;\n\n case 'finish':\n input.assistantMessage.time.completed = Date.now();\n await Session.updateMessage(input.assistantMessage);\n // Clear retry state on successful completion\n SessionRetry.clearRetryState(input.sessionID);\n break;\n\n default:\n log.info(() => ({ message: 'unhandled', ...value }));\n continue;\n }\n }\n } catch (e) {\n log.error(() => ({ message: 'process', error: e }));\n\n // Check for AI SDK usage-related TypeError (input_tokens undefined)\n // This happens when providers return incomplete usage data\n // See: https://github.com/link-assistant/agent/issues/152\n if (\n e instanceof TypeError &&\n (e.message.includes('input_tokens') ||\n e.message.includes('output_tokens') ||\n e.message.includes(\"reading 'input_tokens'\") ||\n e.message.includes(\"reading 'output_tokens'\"))\n ) {\n log.warn(() => ({\n message:\n 'Provider returned invalid usage data, continuing with zero usage',\n errorMessage: e.message,\n providerID: input.providerID,\n }));\n // Set default token values to prevent crash\n input.assistantMessage.tokens = {\n input: 0,\n output: 0,\n reasoning: 0,\n cache: { read: 0, write: 0 },\n };\n // Continue processing instead of failing\n continue;\n }\n\n const error = MessageV2.fromError(e, {\n providerID: input.providerID,\n });\n\n // Check if error is retryable (APIError, SocketConnectionError, TimeoutError)\n const isRetryableAPIError =\n error?.name === 'APIError' && error.data.isRetryable;\n const isRetryableSocketError =\n error?.name === 'SocketConnectionError' &&\n error.data.isRetryable &&\n attempt < SessionRetry.SOCKET_ERROR_MAX_RETRIES;\n const isRetryableTimeoutError =\n error?.name === 'TimeoutError' &&\n error.data.isRetryable &&\n attempt < SessionRetry.TIMEOUT_MAX_RETRIES;\n\n // For API errors (rate limits), check if we're within the retry timeout\n // See: https://github.com/link-assistant/agent/issues/157\n const retryCheck = isRetryableAPIError\n ? SessionRetry.shouldRetry(\n input.sessionID,\n error.data.statusCode?.toString() ?? 'unknown'\n )\n : { shouldRetry: true, elapsedTime: 0, maxTime: 0 };\n\n if (\n (isRetryableAPIError && retryCheck.shouldRetry) ||\n isRetryableSocketError ||\n isRetryableTimeoutError\n ) {\n attempt++;\n // Use error-specific delay calculation\n // SessionRetry.delay may throw RetryTimeoutExceededError if retry-after exceeds timeout\n let delay: number;\n try {\n delay =\n error?.name === 'SocketConnectionError'\n ? SessionRetry.socketErrorDelay(attempt)\n : error?.name === 'TimeoutError'\n ? SessionRetry.timeoutDelay(attempt)\n : SessionRetry.delay(error, attempt);\n } catch (delayError) {\n // If retry-after exceeds AGENT_RETRY_TIMEOUT, fail immediately\n if (\n delayError instanceof SessionRetry.RetryTimeoutExceededError\n ) {\n log.error(() => ({\n message: 'retry-after exceeds timeout, failing immediately',\n retryAfterMs: delayError.retryAfterMs,\n maxTimeoutMs: delayError.maxTimeoutMs,\n }));\n SessionRetry.clearRetryState(input.sessionID);\n // Create a specific error for this case\n input.assistantMessage.error = {\n name: 'RetryTimeoutExceededError',\n data: {\n message: delayError.message,\n isRetryable: false,\n retryAfterMs: delayError.retryAfterMs,\n maxTimeoutMs: delayError.maxTimeoutMs,\n },\n } as MessageV2.Error;\n Bus.publish(Session.Event.Error, {\n sessionID: input.assistantMessage.sessionID,\n error: input.assistantMessage.error,\n });\n break;\n }\n throw delayError;\n }\n log.info(() => ({\n message: 'retrying',\n errorType: error?.name,\n attempt,\n delay,\n elapsedRetryTime: retryCheck.elapsedTime,\n maxRetryTime: retryCheck.maxTime,\n }));\n SessionStatus.set(input.sessionID, {\n type: 'retry',\n attempt,\n message: error.data.message,\n next: Date.now() + delay,\n });\n // Update retry state to track total time\n SessionRetry.updateRetryState(input.sessionID, delay);\n await SessionRetry.sleep(delay, input.abort).catch(() => {});\n continue;\n }\n\n // Clear retry state on non-retryable error\n SessionRetry.clearRetryState(input.sessionID);\n input.assistantMessage.error = error;\n Bus.publish(Session.Event.Error, {\n sessionID: input.assistantMessage.sessionID,\n error: input.assistantMessage.error,\n });\n }\n const p = await MessageV2.parts(input.assistantMessage.id);\n for (const part of p) {\n if (\n part.type === 'tool' &&\n part.state.status !== 'completed' &&\n part.state.status !== 'error'\n ) {\n await Session.updatePart({\n ...part,\n state: {\n ...part.state,\n status: 'error',\n error: 'Tool execution aborted',\n time: {\n start: Date.now(),\n end: Date.now(),\n },\n },\n });\n }\n }\n input.assistantMessage.time.completed = Date.now();\n await Session.updateMessage(input.assistantMessage);\n if (blocked) return 'stop';\n if (input.assistantMessage.error) return 'stop';\n return 'continue';\n }\n },\n };\n return result;\n }\n}\n",
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[2026-02-15T09:12:12.963Z] [INFO] {
"type": "assistant",
"message": {
"model": "claude-opus-4-5-20251101",
"id": "msg_01QmvfqpjfWRXhGdJ1W68kMw",
"type": "message",
"role": "assistant",
"content": [
{
"type": "tool_use",
"id": "toolu_013F48QYFGdGnUnNrdkwFVPB",
"name": "Read",
"input": {
"file_path": "/tmp/gh-issue-solver-1771146682667/js/src/flag/flag.ts"
},
"caller": {
"type": "direct"
}
}
],
"stop_reason": null,
"stop_sequence": null,
"usage": {
"input_tokens": 0,
"cache_creation_input_tokens": 30564,
"cache_read_input_tokens": 37138,
"cache_creation": {
"ephemeral_5m_input_tokens": 0,
"ephemeral_1h_input_tokens": 30564
},
"output_tokens": 1,
"service_tier": "standard",
"inference_geo": "not_available"
},
"context_management": null
},
"parent_tool_use_id": null,
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "619b978e-3af2-4d11-af5f-67f0b4609f1c"
}
[2026-02-15T09:12:12.977Z] [INFO] {
"type": "user",
"message": {
"role": "user",
"content": [
{
"tool_use_id": "toolu_013F48QYFGdGnUnNrdkwFVPB",
"type": "tool_result",
"content": " 1→export namespace Flag {\n 2→ // Helper to check env vars with new prefix first, then fall back to old prefix for backwards compatibility\n 3→ function getEnv(newKey: string, oldKey: string): string | undefined {\n 4→ return process.env[newKey] ?? process.env[oldKey];\n 5→ }\n 6→\n 7→ function truthyCompat(newKey: string, oldKey: string): boolean {\n 8→ const value = (getEnv(newKey, oldKey) ?? '').toLowerCase();\n 9→ return value === 'true' || value === '1';\n 10→ }\n 11→\n 12→ // LINK_ASSISTANT_AGENT_AUTO_SHARE removed - no sharing support\n 13→ export const OPENCODE_CONFIG = getEnv(\n 14→ 'LINK_ASSISTANT_AGENT_CONFIG',\n 15→ 'OPENCODE_CONFIG'\n 16→ );\n 17→ export const OPENCODE_CONFIG_DIR = getEnv(\n 18→ 'LINK_ASSISTANT_AGENT_CONFIG_DIR',\n 19→ 'OPENCODE_CONFIG_DIR'\n 20→ );\n 21→ export const OPENCODE_CONFIG_CONTENT = getEnv(\n 22→ 'LINK_ASSISTANT_AGENT_CONFIG_CONTENT',\n 23→ 'OPENCODE_CONFIG_CONTENT'\n 24→ );\n 25→ export const OPENCODE_DISABLE_AUTOUPDATE = truthyCompat(\n 26→ 'LINK_ASSISTANT_AGENT_DISABLE_AUTOUPDATE',\n 27→ 'OPENCODE_DISABLE_AUTOUPDATE'\n 28→ );\n 29→ export const OPENCODE_DISABLE_PRUNE = truthyCompat(\n 30→ 'LINK_ASSISTANT_AGENT_DISABLE_PRUNE',\n 31→ 'OPENCODE_DISABLE_PRUNE'\n 32→ );\n 33→ export const OPENCODE_ENABLE_EXPERIMENTAL_MODELS = truthyCompat(\n 34→ 'LINK_ASSISTANT_AGENT_ENABLE_EXPERIMENTAL_MODELS',\n 35→ 'OPENCODE_ENABLE_EXPERIMENTAL_MODELS'\n 36→ );\n 37→ export const OPENCODE_DISABLE_AUTOCOMPACT = truthyCompat(\n 38→ 'LINK_ASSISTANT_AGENT_DISABLE_AUTOCOMPACT',\n 39→ 'OPENCODE_DISABLE_AUTOCOMPACT'\n 40→ );\n 41→\n 42→ // Experimental\n 43→ export const OPENCODE_EXPERIMENTAL = truthyCompat(\n 44→ 'LINK_ASSISTANT_AGENT_EXPERIMENTAL',\n 45→ 'OPENCODE_EXPERIMENTAL'\n 46→ );\n 47→ export const OPENCODE_EXPERIMENTAL_WATCHER =\n 48→ OPENCODE_EXPERIMENTAL ||\n 49→ truthyCompat(\n 50→ 'LINK_ASSISTANT_AGENT_EXPERIMENTAL_WATCHER',\n 51→ 'OPENCODE_EXPERIMENTAL_WATCHER'\n 52→ );\n 53→\n 54→ // Verbose mode - enables detailed logging of API requests\n 55→ export let OPENCODE_VERBOSE = truthyCompat(\n 56→ 'LINK_ASSISTANT_AGENT_VERBOSE',\n 57→ 'OPENCODE_VERBOSE'\n 58→ );\n 59→\n 60→ // Dry run mode - simulate operations without making actual API calls or changes\n 61→ export let OPENCODE_DRY_RUN = truthyCompat(\n 62→ 'LINK_ASSISTANT_AGENT_DRY_RUN',\n 63→ 'OPENCODE_DRY_RUN'\n 64→ );\n 65→\n 66→ // Title generation configuration\n 67→ // When disabled, sessions will use default \"New session - {timestamp}\" titles\n 68→ // This saves tokens and prevents rate limit issues with free tier models\n 69→ // See: https://github.com/link-assistant/agent/issues/157\n 70→ export let GENERATE_TITLE = truthyCompat(\n 71→ 'LINK_ASSISTANT_AGENT_GENERATE_TITLE',\n 72→ 'AGENT_GENERATE_TITLE'\n 73→ );\n 74→\n 75→ // Allow setting title generation mode programmatically (e.g., from CLI --generate-title flag)\n 76→ export function setGenerateTitle(value: boolean) {\n 77→ GENERATE_TITLE = value;\n 78→ }\n 79→\n 80→ // Retry timeout configuration\n 81→ // Maximum total time to keep retrying for the same error type (default: 7 days in seconds)\n 82→ // For different error types, the timer resets\n 83→ // See: https://github.com/link-assistant/agent/issues/157\n 84→ export function RETRY_TIMEOUT(): number {\n 85→ const val = getEnv(\n 86→ 'LINK_ASSISTANT_AGENT_RETRY_TIMEOUT',\n 87→ 'AGENT_RETRY_TIMEOUT'\n 88→ );\n 89→ return val ? parseInt(val, 10) : 604800; // 7 days in seconds\n 90→ }\n 91→\n 92→ // Maximum delay for a single retry attempt (default: 20 minutes in milliseconds)\n 93→ export function MAX_RETRY_DELAY(): number {\n 94→ const val = getEnv(\n 95→ 'LINK_ASSISTANT_AGENT_MAX_RETRY_DELAY',\n 96→ 'AGENT_MAX_RETRY_DELAY'\n 97→ );\n 98→ return val ? parseInt(val, 10) * 1000 : 1200000; // 20 minutes in ms\n 99→ }\n 100→\n 101→ // Minimum retry interval to prevent rapid retries (default: 30 seconds)\n 102→ // This ensures we don't hammer the API with rapid retry attempts\n 103→ // See: https://github.com/link-assistant/agent/issues/167\n 104→ export function MIN_RETRY_INTERVAL(): number {\n 105→ const val = getEnv(\n 106→ 'LINK_ASSISTANT_AGENT_MIN_RETRY_INTERVAL',\n 107→ 'AGENT_MIN_RETRY_INTERVAL'\n 108→ );\n 109→ return val ? parseInt(val, 10) * 1000 : 30000; // 30 seconds in ms\n 110→ }\n 111→\n 112→ // Stream timeout configuration\n 113→ // chunkMs: timeout between stream chunks - detects stalled streams (default: 2 minutes)\n 114→ // stepMs: timeout for each individual LLM step (default: 10 minutes)\n 115→ export function STREAM_CHUNK_TIMEOUT_MS(): number {\n 116→ const val = getEnv(\n 117→ 'LINK_ASSISTANT_AGENT_STREAM_CHUNK_TIMEOUT_MS',\n 118→ 'AGENT_STREAM_CHUNK_TIMEOUT_MS'\n 119→ );\n 120→ return val ? parseInt(val, 10) : 120_000;\n 121→ }\n 122→\n 123→ export function STREAM_STEP_TIMEOUT_MS(): number {\n 124→ const val = getEnv(\n 125→ 'LINK_ASSISTANT_AGENT_STREAM_STEP_TIMEOUT_MS',\n 126→ 'AGENT_STREAM_STEP_TIMEOUT_MS'\n 127→ );\n 128→ return val ? parseInt(val, 10) : 600_000;\n 129→ }\n 130→\n 131→ // Compact JSON mode - output JSON on single lines (NDJSON format)\n 132→ // Enabled by AGENT_CLI_COMPACT env var or --compact-json flag\n 133→ // Uses getter to check env var at runtime for tests\n 134→ let _compactJson: boolean | null = null;\n 135→\n 136→ export function COMPACT_JSON(): boolean {\n 137→ if (_compactJson !== null) return _compactJson;\n 138→ return (\n 139→ truthy('AGENT_CLI_COMPACT') ||\n 140→ truthyCompat('LINK_ASSISTANT_AGENT_COMPACT_JSON', 'OPENCODE_COMPACT_JSON')\n 141→ );\n 142→ }\n 143→\n 144→ // Allow setting verbose mode programmatically (e.g., from CLI --verbose flag)\n 145→ export function setVerbose(value: boolean) {\n 146→ OPENCODE_VERBOSE = value;\n 147→ }\n 148→\n 149→ // Allow setting dry run mode programmatically (e.g., from CLI --dry-run flag)\n 150→ export function setDryRun(value: boolean) {\n 151→ OPENCODE_DRY_RUN = value;\n 152→ }\n 153→\n 154→ // Allow setting compact JSON mode programmatically (e.g., from CLI --compact-json flag)\n 155→ export function setCompactJson(value: boolean) {\n 156→ _compactJson = value;\n 157→ }\n 158→\n 159→ function truthy(key: string) {\n 160→ const value = process.env[key]?.toLowerCase();\n 161→ return value === 'true' || value === '1';\n 162→ }\n 163→}\n 164→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
}
]
},
"parent_tool_use_id": null,
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "0813d5de-c650-4674-a8a0-32ee3fce31af",
"tool_use_result": {
"type": "text",
"file": {
"filePath": "/tmp/gh-issue-solver-1771146682667/js/src/flag/flag.ts",
"content": "export namespace Flag {\n // Helper to check env vars with new prefix first, then fall back to old prefix for backwards compatibility\n function getEnv(newKey: string, oldKey: string): string | undefined {\n return process.env[newKey] ?? process.env[oldKey];\n }\n\n function truthyCompat(newKey: string, oldKey: string): boolean {\n const value = (getEnv(newKey, oldKey) ?? '').toLowerCase();\n return value === 'true' || value === '1';\n }\n\n // LINK_ASSISTANT_AGENT_AUTO_SHARE removed - no sharing support\n export const OPENCODE_CONFIG = getEnv(\n 'LINK_ASSISTANT_AGENT_CONFIG',\n 'OPENCODE_CONFIG'\n );\n export const OPENCODE_CONFIG_DIR = getEnv(\n 'LINK_ASSISTANT_AGENT_CONFIG_DIR',\n 'OPENCODE_CONFIG_DIR'\n );\n export const OPENCODE_CONFIG_CONTENT = getEnv(\n 'LINK_ASSISTANT_AGENT_CONFIG_CONTENT',\n 'OPENCODE_CONFIG_CONTENT'\n );\n export const OPENCODE_DISABLE_AUTOUPDATE = truthyCompat(\n 'LINK_ASSISTANT_AGENT_DISABLE_AUTOUPDATE',\n 'OPENCODE_DISABLE_AUTOUPDATE'\n );\n export const OPENCODE_DISABLE_PRUNE = truthyCompat(\n 'LINK_ASSISTANT_AGENT_DISABLE_PRUNE',\n 'OPENCODE_DISABLE_PRUNE'\n );\n export const OPENCODE_ENABLE_EXPERIMENTAL_MODELS = truthyCompat(\n 'LINK_ASSISTANT_AGENT_ENABLE_EXPERIMENTAL_MODELS',\n 'OPENCODE_ENABLE_EXPERIMENTAL_MODELS'\n );\n export const OPENCODE_DISABLE_AUTOCOMPACT = truthyCompat(\n 'LINK_ASSISTANT_AGENT_DISABLE_AUTOCOMPACT',\n 'OPENCODE_DISABLE_AUTOCOMPACT'\n );\n\n // Experimental\n export const OPENCODE_EXPERIMENTAL = truthyCompat(\n 'LINK_ASSISTANT_AGENT_EXPERIMENTAL',\n 'OPENCODE_EXPERIMENTAL'\n );\n export const OPENCODE_EXPERIMENTAL_WATCHER =\n OPENCODE_EXPERIMENTAL ||\n truthyCompat(\n 'LINK_ASSISTANT_AGENT_EXPERIMENTAL_WATCHER',\n 'OPENCODE_EXPERIMENTAL_WATCHER'\n );\n\n // Verbose mode - enables detailed logging of API requests\n export let OPENCODE_VERBOSE = truthyCompat(\n 'LINK_ASSISTANT_AGENT_VERBOSE',\n 'OPENCODE_VERBOSE'\n );\n\n // Dry run mode - simulate operations without making actual API calls or changes\n export let OPENCODE_DRY_RUN = truthyCompat(\n 'LINK_ASSISTANT_AGENT_DRY_RUN',\n 'OPENCODE_DRY_RUN'\n );\n\n // Title generation configuration\n // When disabled, sessions will use default \"New session - {timestamp}\" titles\n // This saves tokens and prevents rate limit issues with free tier models\n // See: https://github.com/link-assistant/agent/issues/157\n export let GENERATE_TITLE = truthyCompat(\n 'LINK_ASSISTANT_AGENT_GENERATE_TITLE',\n 'AGENT_GENERATE_TITLE'\n );\n\n // Allow setting title generation mode programmatically (e.g., from CLI --generate-title flag)\n export function setGenerateTitle(value: boolean) {\n GENERATE_TITLE = value;\n }\n\n // Retry timeout configuration\n // Maximum total time to keep retrying for the same error type (default: 7 days in seconds)\n // For different error types, the timer resets\n // See: https://github.com/link-assistant/agent/issues/157\n export function RETRY_TIMEOUT(): number {\n const val = getEnv(\n 'LINK_ASSISTANT_AGENT_RETRY_TIMEOUT',\n 'AGENT_RETRY_TIMEOUT'\n );\n return val ? 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"text": "Now I have a clear understanding of the timeout hierarchy. Let me also check what the original issue details say and understand the root cause. Let me read the case study that was already created to understand the problem better."
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[2026-02-15T09:12:22.043Z] [INFO] {
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"content": " 1→# Case Study: Issue #183 - Operation Timed Out While Waiting for Rate Limit Reset\n 2→\n 3→## Summary\n 4→\n 5→The agent fails with `\"The operation timed out.\"` error after exactly 5 minutes, even though the rate limit retry logic correctly detected a long retry-after period (~15.2 hours) and intended to wait. The timeout occurs because **competing abort signals** from the provider's fetch wrapper and/or external process supervisors terminate the operation before the rate limit wait completes.\n 6→\n 7→## Issue Details\n 8→\n 9→- **Issue URL**: https://github.com/link-assistant/agent/issues/183\n 10→- **Reporter**: konard\n 11→- **Date**: 2026-02-15\n 12→- **Agent Version**: 0.13.2\n 13→- **Related Issues**: #167 (retry logic), #142 (timeout retries), #157 (rate limit handling)\n 14→- **Severity**: High -- Agent cannot complete long rate-limited operations\n 15→\n 16→## Timeline of Events\n 17→\n 18→| Timestamp (UTC) | Event | Details |\n 19→|-----------------|-------|---------|\n 20→| 2026-02-15T08:45:53.309Z | Session started | `ripgrep tree` operation |\n 21→| 2026-02-15T08:45:53.346Z | Processor started | `session.processor process` |\n 22→| 2026-02-15T08:45:53.682Z | Rate limit detected | API returned `retry-after: 54847` seconds (~15.24 hours) |\n 23→| 2026-02-15T08:45:53.682Z | Retry scheduled | `delay: 55763274` ms (~15.49 hours with jitter) |\n 24→| 2026-02-15T08:45:53.682Z | Message logged | \"rate limited, will retry\" |\n 25→| 2026-02-15T08:45:53.765Z | Second rate limit | Similar values, parallel request |\n 26→| 2026-02-15T08:50:53.193Z | **ERROR** | \"The operation timed out.\" |\n 27→\n 28→**Key Observation**: The error occurred exactly **299.884 seconds (5.00 minutes)** after the session started, despite the retry logic intending to wait ~15.5 hours.\n 29→\n 30→## Root Cause Analysis\n 31→\n 32→### Primary Cause: Competing Abort Signals\n 33→\n 34→The `retry-fetch.ts` module correctly parses the `retry-after` header and calls `sleep()` to wait. However, this sleep is subject to an **AbortSignal** that can be triggered by:\n 35→\n 36→1. **Provider timeout configuration** (default: 300,000ms = 5 minutes)\n 37→2. **Stream step timeout** (default: 600,000ms = 10 minutes)\n 38→3. **Stream chunk timeout** (default: 120,000ms = 2 minutes)\n 39→4. **External process supervisors** (CI/CD timeouts, etc.)\n 40→\n 41→```typescript\n 42→// In retry-fetch.ts:154-167\n 43→async function sleep(ms: number, signal?: AbortSignal): Promise<void> {\n 44→ return new Promise((resolve, reject) => {\n 45→ const timeout = setTimeout(resolve, ms);\n 46→ if (signal) {\n 47→ signal.addEventListener('abort', () => {\n 48→ clearTimeout(timeout);\n 49→ reject(new DOMException('Aborted', 'AbortError')); // ← This fires!\n 50→ }, { once: true });\n 51→ }\n 52→ });\n 53→}\n 54→```\n 55→\n 56→### Signal Chain\n 57→\n 58→```\n 59→User Request → streamText() → fetch() wrapper → retry-fetch → sleep(15.5 hours)\n 60→ ↓ ↓\n 61→ step timeout (10m) provider timeout (5m) ← Fires first!\n 62→ ↓\n 63→ AbortSignal fires → DOMException: 'TimeoutError'\n 64→ ↓\n 65→ \"The operation timed out.\"\n 66→```\n 67→\n 68→### Why 5 Minutes?\n 69→\n 70→The 5-minute timeout likely comes from:\n 71→\n 72→1. **Provider timeout**: Documentation mentions 300,000ms (5 minutes) as the default\n 73→2. **External supervisor**: The solve process or CI system may have a 5-minute timeout\n 74→\n 75→From `js/src/config/config.ts:853`:\n 76→```typescript\n 77→// Timeout in milliseconds for requests to this provider.\n 78→// Default is 300000 (5 minutes). Set to false to disable timeout.\n 79→```\n 80→\n 81→### Contributing Factors\n 82→\n 83→1. **Rate limit response**: API returned a 15.2-hour retry-after period\n 84→2. **Timeout hierarchy**: Provider/stream timeouts are not suspended during rate limit waits\n 85→3. **Signal propagation**: The retry-fetch sleep shares the same abort signal chain\n 86→4. **No timeout awareness**: The retry logic doesn't disable or extend competing timeouts\n 87→\n 88→## Detailed Log Analysis\n 89→\n 90→### Rate Limit Detection (Correct)\n 91→\n 92→```json\n 93→{\n 94→ \"type\": \"log\",\n 95→ \"timestamp\": \"2026-02-15T08:45:53.682Z\",\n 96→ \"service\": \"retry-fetch\",\n 97→ \"headerValue\": 54847,\n 98→ \"delayMs\": 54847000,\n 99→ \"message\": \"parsed retry-after header (seconds)\"\n 100→}\n 101→```\n 102→\n 103→The retry-fetch correctly parsed the 54,847 second (~15.24 hours) retry-after value.\n 104→\n 105→### Retry Scheduled (Correct)\n 106→\n 107→```json\n 108→{\n 109→ \"type\": \"log\",\n 110→ \"timestamp\": \"2026-02-15T08:45:53.682Z\",\n 111→ \"service\": \"retry-fetch\",\n 112→ \"sessionID\": \"opencode\",\n 113→ \"attempt\": 1,\n 114→ \"delay\": 55763274,\n 115→ \"delayMinutes\": \"929.39\",\n 116→ \"elapsed\": 313,\n 117→ \"remainingTimeout\": 604799687,\n 118→ \"message\": \"rate limited, will retry\"\n 119→}\n 120→```\n 121→\n 122→The calculated delay with jitter was ~929 minutes (~15.49 hours). The `remainingTimeout` of ~604 million ms (~7 days) shows the global `AGENT_RETRY_TIMEOUT` is correctly configured.\n 123→\n 124→### Timeout Error (The Problem)\n 125→\n 126→```json\n 127→{\n 128→ \"type\": \"error\",\n 129→ \"timestamp\": 1771145453193,\n 130→ \"sessionID\": \"ses_39f85b550ffe7GaNPe7osuiGuW\",\n 131→ \"error\": \"The operation timed out.\"\n 132→}\n 133→```\n 134→\n 135→This error occurred exactly 5 minutes after session start, indicating an external timeout terminated the operation.\n 136→\n 137→## Impact Assessment\n 138→\n 139→### Severity: High\n 140→\n 141→- **Long rate limit waits are impossible**: Any retry-after > timeout limit will fail\n 142→- **Lost work**: Setup time (PR creation, branch creation) is wasted\n 143→- **No recovery**: User must manually retry after rate limit expires\n 144→- **Configuration confusion**: Users expect `AGENT_RETRY_TIMEOUT` to govern all waits\n 145→\n 146→### Affected Configurations\n 147→\n 148→The issue affects any scenario where:\n 149→- `retry-after` > provider timeout (default 5 minutes)\n 150→- `retry-after` > stream step timeout (default 10 minutes)\n 151→- `retry-after` > external process supervisor timeout\n 152→\n 153→## Proposed Solutions\n 154→\n 155→### Solution 1: Disable Timeouts During Rate Limit Wait (Recommended)\n 156→\n 157→When the retry-fetch module enters a rate limit wait, it should:\n 158→1. Not inherit the abort signal from the parent request\n 159→2. Create an isolated sleep that only respects the global `AGENT_RETRY_TIMEOUT`\n 160→\n 161→**Implementation**:\n 162→\n 163→```typescript\n 164→// In retry-fetch.ts, modify the sleep call during rate limit handling\n 165→// Don't pass the request's AbortSignal to the sleep function\n 166→// Instead, create a new timeout based on AGENT_RETRY_TIMEOUT\n 167→\n 168→export function create(options: RetryFetchOptions = {}): typeof fetch {\n 169→ // ...\n 170→ return async function retryFetch(input, init) {\n 171→ // ...\n 172→ // Create a dedicated AbortController for rate limit waits\n 173→ const rateLimitAbort = new AbortController();\n 174→ const globalTimeout = setTimeout(() => {\n 175→ rateLimitAbort.abort();\n 176→ }, Flag.RETRY_TIMEOUT() * 1000);\n 177→\n 178→ try {\n 179→ await sleep(delay, rateLimitAbort.signal); // Use isolated signal\n 180→ } finally {\n 181→ clearTimeout(globalTimeout);\n 182→ }\n 183→ // ...\n 184→ };\n 185→}\n 186→```\n 187→\n 188→**Pros**:\n 189→- Allows long rate limit waits up to `AGENT_RETRY_TIMEOUT`\n 190→- Doesn't break existing timeout behavior for normal requests\n 191→- Minimal code changes\n 192→\n 193→**Cons**:\n 194→- Requires careful signal management\n 195→- Need to handle cleanup on process termination\n 196→\n 197→### Solution 2: Extend Provider Timeout During Rate Limit\n 198→\n 199→Dynamically extend the provider timeout when a rate limit is detected:\n 200→\n 201→```typescript\n 202→// When rate limit detected with retry-after > current timeout\n 203→if (retryAfterMs > remainingProviderTimeout) {\n 204→ // Extend the provider timeout to accommodate the wait\n 205→ extendProviderTimeout(retryAfterMs + 30000); // Add 30s buffer\n 206→}\n 207→```\n 208→\n 209→**Pros**:\n 210→- Works within existing timeout architecture\n 211→- Transparent to higher-level code\n 212→\n 213→**Cons**:\n 214→- Complex to implement\n 215→- May affect other timeout-related behavior\n 216→\n 217→### Solution 3: Background Rate Limit Queue\n 218→\n 219→Move rate-limited requests to a background queue that's not subject to request timeouts:\n 220→\n 221→```typescript\n 222→// When rate limit detected with long retry-after\n 223→if (retryAfterMs > 60000) { // More than 1 minute\n 224→ // Queue for background retry\n 225→ await RateLimitQueue.schedule({\n 226→ request: { input, init },\n 227→ retryAt: Date.now() + retryAfterMs,\n 228→ sessionID,\n 229→ });\n 230→ // Return a \"queued\" status to caller\n 231→ return new Response(JSON.stringify({\n 232→ status: 'queued',\n 233→ retryAt: Date.now() + retryAfterMs,\n 234→ }), { status: 202 });\n 235→}\n 236→```\n 237→\n 238→**Pros**:\n 239→- Clean separation of concerns\n 240→- Can handle multiple rate-limited requests efficiently\n 241→- User can be notified and continue other work\n 242→\n 243→**Cons**:\n 244→- Significant architecture change\n 245→- Requires persistent queue storage\n 246→- Complex state management\n 247→\n 248→### Solution 4: Configurable Rate Limit Handling\n 249→\n 250→Add configuration option to specify rate limit handling strategy:\n 251→\n 252→```typescript\n 253→// In config\n 254→provider: {\n 255→ opencode: {\n 256→ options: {\n 257→ timeout: 300000, // Normal request timeout\n 258→ rateLimitTimeout: false, // Disable timeout during rate limit wait\n 259→ // OR: rateLimitTimeout: 86400000, // 24 hour max wait\n 260→ }\n 261→ }\n 262→}\n 263→```\n 264→\n 265→**Pros**:\n 266→- User-configurable behavior\n 267→- Can be tuned per-provider\n 268→\n 269→**Cons**:\n 270→- More configuration complexity\n 271→- Documentation overhead\n 272→\n 273→## Related Issues and External Resources\n 274→\n 275→### Agent Issues\n 276→- [#167](https://github.com/link-assistant/agent/issues/167) - Retry Logic Should Use Global Timeout Instead of Retry Count\n 277→- [#142](https://github.com/link-assistant/agent/issues/142) - Automatic Retry on Timeout Errors\n 278→- [#157](https://github.com/link-assistant/agent/issues/157) - Rate limit handling improvements\n 279→- [#146](https://github.com/link-assistant/agent/issues/146) - Stream timeout configuration\n 280→\n 281→### Vercel AI SDK Issues\n 282→- [vercel/ai#7247](https://github.com/vercel/ai/issues/7247) - SDK does not respect rate limit headers from API providers\n 283→- [vercel/ai#4842](https://github.com/vercel/ai/issues/4842) - Implement Custom Retry Callback for Error-Specific Retries\n 284→\n 285→### Bun Issues\n 286→- [oven-sh/bun#13302](https://github.com/oven-sh/bun/issues/13302) - AbortSignal.timeout and fetch not working when can't reach server\n 287→- [oven-sh/bun#14439](https://github.com/oven-sh/bun/issues/14439) - Known 10-second idle timeout issue\n 288→\n 289→### Documentation\n 290→- [MDN AbortSignal.timeout()](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal/timeout_static)\n 291→- [Vercel AI SDK Timeout Configuration](https://ai-sdk.dev/docs/troubleshooting/timeout-on-vercel)\n 292→- [Vercel AI SDK Rate Limiting](https://ai-sdk.dev/docs/advanced/rate-limiting)\n 293→\n 294→## Existing Libraries for Rate Limit Handling\n 295→\n 296→| Library | Description | Relevance |\n 297→|---------|-------------|-----------|\n 298→| [p-retry](https://www.npmjs.com/package/p-retry) | Promise-based retry with exponential backoff | Could replace custom retry logic |\n 299→| [async-retry](https://www.npmjs.com/package/async-retry) | Async/await retry with configurable delays | Alternative retry implementation |\n 300→| [bottleneck](https://www.npmjs.com/package/bottleneck) | Distributed rate limiter | Could implement Solution 3 |\n 301→| [p-queue](https://www.npmjs.com/package/p-queue) | Promise queue with concurrency control | Could implement Solution 3 |\n 302→| [got](https://www.npmjs.com/package/got) | HTTP client with built-in retry-after support | Reference implementation |\n 303→\n 304→## Configuration Reference\n 305→\n 306→### Current Agent Configuration\n 307→\n 308→| Parameter | Environment Variable | Default | Description |\n 309→|-----------|---------------------|---------|-------------|\n 310→| Retry Timeout | `AGENT_RETRY_TIMEOUT` | 604800 (7 days) | Total time to retry same error type |\n 311→| Max Retry Delay | `AGENT_MAX_RETRY_DELAY` | 1200 (20 min) | Max single retry wait |\n 312→| Min Retry Interval | `AGENT_MIN_RETRY_INTERVAL` | 30 (30 sec) | Min time between retries |\n 313→| Stream Chunk Timeout | `AGENT_STREAM_CHUNK_TIMEOUT_MS` | 120000 (2 min) | Timeout between stream chunks |\n 314→| Stream Step Timeout | `AGENT_STREAM_STEP_TIMEOUT_MS` | 600000 (10 min) | Timeout for each LLM step |\n 315→| Provider Timeout | (config) | 300000 (5 min) | Request timeout per provider |\n 316→\n 317→### Competing Timeout Summary\n 318→\n 319→```\n 320→┌─────────────────────────────────────────────────────────────────┐\n 321→│ Timeout Hierarchy │\n 322→├─────────────────────────────────────────────────────────────────┤\n 323→│ AGENT_RETRY_TIMEOUT (7 days) ← Global, respects retry-after│\n 324→│ │ │\n 325→│ ├── Provider Timeout (5 min) ← Fires during rate limit! │\n 326→│ │ │\n 327→│ ├── Stream Step Timeout (10 min) │\n 328→│ │ │\n 329→│ └── Stream Chunk Timeout (2 min) │\n 330→│ │\n 331→│ Problem: Lower-level timeouts fire before rate limit completes │\n 332→└─────────────────────────────────────────────────────────────────┘\n 333→```\n 334→\n 335→## Recommendations\n 336→\n 337→### Immediate Fix\n 338→\n 339→1. **Disable provider timeout during rate limit waits**: Modify `retry-fetch.ts` to not inherit the request's abort signal during rate limit sleep\n 340→\n 341→### Short-Term\n 342→\n 343→2. **Add rate limit timeout configuration**: Allow users to set `rateLimitTimeout: false` to disable timeouts during rate limit handling\n 344→\n 345→### Long-Term\n 346→\n 347→3. **Implement background rate limit queue**: For very long waits (>1 hour), queue requests and notify user of scheduled retry time\n 348→\n 349→## Conclusion\n 350→\n 351→Issue #183 occurs because the agent's rate limit retry logic correctly detects and respects long `retry-after` periods, but competing timeout signals (primarily the provider timeout at 5 minutes) abort the wait before the rate limit expires. The solution requires isolating rate limit waits from request-level timeouts, either by not inheriting the abort signal or by dynamically extending timeouts when rate limits are detected.\n 352→\n 353→The fundamental conflict is between:\n 354→- **Request timeouts**: Designed to prevent hanging on unresponsive servers\n 355→- **Rate limit waits**: Designed to respect server-mandated delays\n 356→\n 357→These two mechanisms serve different purposes and should not share the same abort signal chain when rate limit handling is active.\n 358→\n 359→## Files Changed\n 360→\n 361→This case study documents the issue but does not include a fix implementation. See the proposed solutions above for implementation guidance.\n 362→\n 363→## Data Files\n 364→\n 365→- [`original-log.txt`](./original-log.txt) - Original issue log data\n 366→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": "# Case Study: Issue #183 - Operation Timed Out While Waiting for Rate Limit Reset\n\n## Summary\n\nThe agent fails with `\"The operation timed out.\"` error after exactly 5 minutes, even though the rate limit retry logic correctly detected a long retry-after period (~15.2 hours) and intended to wait. The timeout occurs because **competing abort signals** from the provider's fetch wrapper and/or external process supervisors terminate the operation before the rate limit wait completes.\n\n## Issue Details\n\n- **Issue URL**: https://github.com/link-assistant/agent/issues/183\n- **Reporter**: konard\n- **Date**: 2026-02-15\n- **Agent Version**: 0.13.2\n- **Related Issues**: #167 (retry logic), #142 (timeout retries), #157 (rate limit handling)\n- **Severity**: High -- Agent cannot complete long rate-limited operations\n\n## Timeline of Events\n\n| Timestamp (UTC) | Event | Details |\n|-----------------|-------|---------|\n| 2026-02-15T08:45:53.309Z | Session started | `ripgrep tree` operation |\n| 2026-02-15T08:45:53.346Z | Processor started | `session.processor process` |\n| 2026-02-15T08:45:53.682Z | Rate limit detected | API returned `retry-after: 54847` seconds (~15.24 hours) |\n| 2026-02-15T08:45:53.682Z | Retry scheduled | `delay: 55763274` ms (~15.49 hours with jitter) |\n| 2026-02-15T08:45:53.682Z | Message logged | \"rate limited, will retry\" |\n| 2026-02-15T08:45:53.765Z | Second rate limit | Similar values, parallel request |\n| 2026-02-15T08:50:53.193Z | **ERROR** | \"The operation timed out.\" |\n\n**Key Observation**: The error occurred exactly **299.884 seconds (5.00 minutes)** after the session started, despite the retry logic intending to wait ~15.5 hours.\n\n## Root Cause Analysis\n\n### Primary Cause: Competing Abort Signals\n\nThe `retry-fetch.ts` module correctly parses the `retry-after` header and calls `sleep()` to wait. However, this sleep is subject to an **AbortSignal** that can be triggered by:\n\n1. **Provider timeout configuration** (default: 300,000ms = 5 minutes)\n2. **Stream step timeout** (default: 600,000ms = 10 minutes)\n3. **Stream chunk timeout** (default: 120,000ms = 2 minutes)\n4. **External process supervisors** (CI/CD timeouts, etc.)\n\n```typescript\n// In retry-fetch.ts:154-167\nasync function sleep(ms: number, signal?: AbortSignal): Promise<void> {\n return new Promise((resolve, reject) => {\n const timeout = setTimeout(resolve, ms);\n if (signal) {\n signal.addEventListener('abort', () => {\n clearTimeout(timeout);\n reject(new DOMException('Aborted', 'AbortError')); // ← This fires!\n }, { once: true });\n }\n });\n}\n```\n\n### Signal Chain\n\n```\nUser Request → streamText() → fetch() wrapper → retry-fetch → sleep(15.5 hours)\n ↓ ↓\n step timeout (10m) provider timeout (5m) ← Fires first!\n ↓\n AbortSignal fires → DOMException: 'TimeoutError'\n ↓\n \"The operation timed out.\"\n```\n\n### Why 5 Minutes?\n\nThe 5-minute timeout likely comes from:\n\n1. **Provider timeout**: Documentation mentions 300,000ms (5 minutes) as the default\n2. **External supervisor**: The solve process or CI system may have a 5-minute timeout\n\nFrom `js/src/config/config.ts:853`:\n```typescript\n// Timeout in milliseconds for requests to this provider.\n// Default is 300000 (5 minutes). Set to false to disable timeout.\n```\n\n### Contributing Factors\n\n1. **Rate limit response**: API returned a 15.2-hour retry-after period\n2. **Timeout hierarchy**: Provider/stream timeouts are not suspended during rate limit waits\n3. **Signal propagation**: The retry-fetch sleep shares the same abort signal chain\n4. **No timeout awareness**: The retry logic doesn't disable or extend competing timeouts\n\n## Detailed Log Analysis\n\n### Rate Limit Detection (Correct)\n\n```json\n{\n \"type\": \"log\",\n \"timestamp\": \"2026-02-15T08:45:53.682Z\",\n \"service\": \"retry-fetch\",\n \"headerValue\": 54847,\n \"delayMs\": 54847000,\n \"message\": \"parsed retry-after header (seconds)\"\n}\n```\n\nThe retry-fetch correctly parsed the 54,847 second (~15.24 hours) retry-after value.\n\n### Retry Scheduled (Correct)\n\n```json\n{\n \"type\": \"log\",\n \"timestamp\": \"2026-02-15T08:45:53.682Z\",\n \"service\": \"retry-fetch\",\n \"sessionID\": \"opencode\",\n \"attempt\": 1,\n \"delay\": 55763274,\n \"delayMinutes\": \"929.39\",\n \"elapsed\": 313,\n \"remainingTimeout\": 604799687,\n \"message\": \"rate limited, will retry\"\n}\n```\n\nThe calculated delay with jitter was ~929 minutes (~15.49 hours). The `remainingTimeout` of ~604 million ms (~7 days) shows the global `AGENT_RETRY_TIMEOUT` is correctly configured.\n\n### Timeout Error (The Problem)\n\n```json\n{\n \"type\": \"error\",\n \"timestamp\": 1771145453193,\n \"sessionID\": \"ses_39f85b550ffe7GaNPe7osuiGuW\",\n \"error\": \"The operation timed out.\"\n}\n```\n\nThis error occurred exactly 5 minutes after session start, indicating an external timeout terminated the operation.\n\n## Impact Assessment\n\n### Severity: High\n\n- **Long rate limit waits are impossible**: Any retry-after > timeout limit will fail\n- **Lost work**: Setup time (PR creation, branch creation) is wasted\n- **No recovery**: User must manually retry after rate limit expires\n- **Configuration confusion**: Users expect `AGENT_RETRY_TIMEOUT` to govern all waits\n\n### Affected Configurations\n\nThe issue affects any scenario where:\n- `retry-after` > provider timeout (default 5 minutes)\n- `retry-after` > stream step timeout (default 10 minutes)\n- `retry-after` > external process supervisor timeout\n\n## Proposed Solutions\n\n### Solution 1: Disable Timeouts During Rate Limit Wait (Recommended)\n\nWhen the retry-fetch module enters a rate limit wait, it should:\n1. Not inherit the abort signal from the parent request\n2. Create an isolated sleep that only respects the global `AGENT_RETRY_TIMEOUT`\n\n**Implementation**:\n\n```typescript\n// In retry-fetch.ts, modify the sleep call during rate limit handling\n// Don't pass the request's AbortSignal to the sleep function\n// Instead, create a new timeout based on AGENT_RETRY_TIMEOUT\n\nexport function create(options: RetryFetchOptions = {}): typeof fetch {\n // ...\n return async function retryFetch(input, init) {\n // ...\n // Create a dedicated AbortController for rate limit waits\n const rateLimitAbort = new AbortController();\n const globalTimeout = setTimeout(() => {\n rateLimitAbort.abort();\n }, Flag.RETRY_TIMEOUT() * 1000);\n\n try {\n await sleep(delay, rateLimitAbort.signal); // Use isolated signal\n } finally {\n clearTimeout(globalTimeout);\n }\n // ...\n };\n}\n```\n\n**Pros**:\n- Allows long rate limit waits up to `AGENT_RETRY_TIMEOUT`\n- Doesn't break existing timeout behavior for normal requests\n- Minimal code changes\n\n**Cons**:\n- Requires careful signal management\n- Need to handle cleanup on process termination\n\n### Solution 2: Extend Provider Timeout During Rate Limit\n\nDynamically extend the provider timeout when a rate limit is detected:\n\n```typescript\n// When rate limit detected with retry-after > current timeout\nif (retryAfterMs > remainingProviderTimeout) {\n // Extend the provider timeout to accommodate the wait\n extendProviderTimeout(retryAfterMs + 30000); // Add 30s buffer\n}\n```\n\n**Pros**:\n- Works within existing timeout architecture\n- Transparent to higher-level code\n\n**Cons**:\n- Complex to implement\n- May affect other timeout-related behavior\n\n### Solution 3: Background Rate Limit Queue\n\nMove rate-limited requests to a background queue that's not subject to request timeouts:\n\n```typescript\n// When rate limit detected with long retry-after\nif (retryAfterMs > 60000) { // More than 1 minute\n // Queue for background retry\n await RateLimitQueue.schedule({\n request: { input, init },\n retryAt: Date.now() + retryAfterMs,\n sessionID,\n });\n // Return a \"queued\" status to caller\n return new Response(JSON.stringify({\n status: 'queued',\n retryAt: Date.now() + retryAfterMs,\n }), { status: 202 });\n}\n```\n\n**Pros**:\n- Clean separation of concerns\n- Can handle multiple rate-limited requests efficiently\n- User can be notified and continue other work\n\n**Cons**:\n- Significant architecture change\n- Requires persistent queue storage\n- Complex state management\n\n### Solution 4: Configurable Rate Limit Handling\n\nAdd configuration option to specify rate limit handling strategy:\n\n```typescript\n// In config\nprovider: {\n opencode: {\n options: {\n timeout: 300000, // Normal request timeout\n rateLimitTimeout: false, // Disable timeout during rate limit wait\n // OR: rateLimitTimeout: 86400000, // 24 hour max wait\n }\n }\n}\n```\n\n**Pros**:\n- User-configurable behavior\n- Can be tuned per-provider\n\n**Cons**:\n- More configuration complexity\n- Documentation overhead\n\n## Related Issues and External Resources\n\n### Agent Issues\n- [#167](https://github.com/link-assistant/agent/issues/167) - Retry Logic Should Use Global Timeout Instead of Retry Count\n- [#142](https://github.com/link-assistant/agent/issues/142) - Automatic Retry on Timeout Errors\n- [#157](https://github.com/link-assistant/agent/issues/157) - Rate limit handling improvements\n- [#146](https://github.com/link-assistant/agent/issues/146) - Stream timeout configuration\n\n### Vercel AI SDK Issues\n- [vercel/ai#7247](https://github.com/vercel/ai/issues/7247) - SDK does not respect rate limit headers from API providers\n- [vercel/ai#4842](https://github.com/vercel/ai/issues/4842) - Implement Custom Retry Callback for Error-Specific Retries\n\n### Bun Issues\n- [oven-sh/bun#13302](https://github.com/oven-sh/bun/issues/13302) - AbortSignal.timeout and fetch not working when can't reach server\n- [oven-sh/bun#14439](https://github.com/oven-sh/bun/issues/14439) - Known 10-second idle timeout issue\n\n### Documentation\n- [MDN AbortSignal.timeout()](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal/timeout_static)\n- [Vercel AI SDK Timeout Configuration](https://ai-sdk.dev/docs/troubleshooting/timeout-on-vercel)\n- [Vercel AI SDK Rate Limiting](https://ai-sdk.dev/docs/advanced/rate-limiting)\n\n## Existing Libraries for Rate Limit Handling\n\n| Library | Description | Relevance |\n|---------|-------------|-----------|\n| [p-retry](https://www.npmjs.com/package/p-retry) | Promise-based retry with exponential backoff | Could replace custom retry logic |\n| [async-retry](https://www.npmjs.com/package/async-retry) | Async/await retry with configurable delays | Alternative retry implementation |\n| [bottleneck](https://www.npmjs.com/package/bottleneck) | Distributed rate limiter | Could implement Solution 3 |\n| [p-queue](https://www.npmjs.com/package/p-queue) | Promise queue with concurrency control | Could implement Solution 3 |\n| [got](https://www.npmjs.com/package/got) | HTTP client with built-in retry-after support | Reference implementation |\n\n## Configuration Reference\n\n### Current Agent Configuration\n\n| Parameter | Environment Variable | Default | Description |\n|-----------|---------------------|---------|-------------|\n| Retry Timeout | `AGENT_RETRY_TIMEOUT` | 604800 (7 days) | Total time to retry same error type |\n| Max Retry Delay | `AGENT_MAX_RETRY_DELAY` | 1200 (20 min) | Max single retry wait |\n| Min Retry Interval | `AGENT_MIN_RETRY_INTERVAL` | 30 (30 sec) | Min time between retries |\n| Stream Chunk Timeout | `AGENT_STREAM_CHUNK_TIMEOUT_MS` | 120000 (2 min) | Timeout between stream chunks |\n| Stream Step Timeout | `AGENT_STREAM_STEP_TIMEOUT_MS` | 600000 (10 min) | Timeout for each LLM step |\n| Provider Timeout | (config) | 300000 (5 min) | Request timeout per provider |\n\n### Competing Timeout Summary\n\n```\n┌─────────────────────────────────────────────────────────────────┐\n│ Timeout Hierarchy │\n├─────────────────────────────────────────────────────────────────┤\n│ AGENT_RETRY_TIMEOUT (7 days) ← Global, respects retry-after│\n│ │ │\n│ ├── Provider Timeout (5 min) ← Fires during rate limit! │\n│ │ │\n│ ├── Stream Step Timeout (10 min) │\n│ │ │\n│ └── Stream Chunk Timeout (2 min) │\n│ │\n│ Problem: Lower-level timeouts fire before rate limit completes │\n└─────────────────────────────────────────────────────────────────┘\n```\n\n## Recommendations\n\n### Immediate Fix\n\n1. **Disable provider timeout during rate limit waits**: Modify `retry-fetch.ts` to not inherit the request's abort signal during rate limit sleep\n\n### Short-Term\n\n2. **Add rate limit timeout configuration**: Allow users to set `rateLimitTimeout: false` to disable timeouts during rate limit handling\n\n### Long-Term\n\n3. **Implement background rate limit queue**: For very long waits (>1 hour), queue requests and notify user of scheduled retry time\n\n## Conclusion\n\nIssue #183 occurs because the agent's rate limit retry logic correctly detects and respects long `retry-after` periods, but competing timeout signals (primarily the provider timeout at 5 minutes) abort the wait before the rate limit expires. The solution requires isolating rate limit waits from request-level timeouts, either by not inheriting the abort signal or by dynamically extending timeouts when rate limits are detected.\n\nThe fundamental conflict is between:\n- **Request timeouts**: Designed to prevent hanging on unresponsive servers\n- **Rate limit waits**: Designed to respect server-mandated delays\n\nThese two mechanisms serve different purposes and should not share the same abort signal chain when rate limit handling is active.\n\n## Files Changed\n\nThis case study documents the issue but does not include a fix implementation. See the proposed solutions above for implementation guidance.\n\n## Data Files\n\n- [`original-log.txt`](./original-log.txt) - Original issue log data\n",
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"text": "### Ran Playwright code\n```js\nawait page.goto('https://github.com/openai/codex');\n```\n### Page\n- Page URL: https://github.com/openai/codex\n- Page Title: GitHub - openai/codex: Lightweight coding agent that runs in your terminal\n### Snapshot\n```yaml\n- generic [ref=e2]:\n - region\n - generic [ref=e3]:\n - link \"Skip to content\" [ref=e4] [cursor=pointer]:\n - /url: \"#start-of-content\"\n - banner [ref=e6]:\n - heading \"Navigation Menu\" [level=2] [ref=e7]\n - generic [ref=e8]:\n - link \"Homepage\" [ref=e10] [cursor=pointer]:\n - /url: /\n - img [ref=e11]\n - generic [ref=e13]:\n - navigation \"Global\" [ref=e16]:\n - list [ref=e17]:\n - listitem [ref=e18]:\n - button \"Platform\" [ref=e20] [cursor=pointer]:\n - text: Platform\n - img [ref=e21]\n - listitem [ref=e23]:\n - button \"Solutions\" [ref=e25] [cursor=pointer]:\n - text: Solutions\n - img [ref=e26]\n - listitem [ref=e28]:\n - button \"Resources\" [ref=e30] [cursor=pointer]:\n - text: Resources\n - img [ref=e31]\n - 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"content": " 1→import { Log } from '../util/log';\n 2→import { Flag } from '../flag/flag';\n 3→\n 4→/**\n 5→ * Custom fetch wrapper that handles rate limits (HTTP 429) using time-based retry logic.\n 6→ *\n 7→ * This wrapper intercepts 429 responses at the HTTP level before the AI SDK's internal\n 8→ * retry mechanism can interfere. It respects:\n 9→ * - retry-after headers (both seconds and HTTP date formats)\n 10→ * - retry-after-ms header for millisecond precision\n 11→ * - AGENT_RETRY_TIMEOUT for global time-based retry limit\n 12→ * - AGENT_MAX_RETRY_DELAY for maximum single retry wait time\n 13→ *\n 14→ * Problem solved:\n 15→ * The AI SDK's internal retry uses a fixed count (default 3 attempts) and ignores\n 16→ * retry-after headers. When providers return long retry-after values (e.g., 64 minutes),\n 17→ * the SDK exhausts its retries before the agent can properly wait.\n 18→ *\n 19→ * Solution:\n 20→ * By wrapping fetch, we handle rate limits at the HTTP layer with time-based retries,\n 21→ * ensuring the agent's 7-week global timeout is respected.\n 22→ *\n 23→ * @see https://github.com/link-assistant/agent/issues/167\n 24→ * @see https://github.com/vercel/ai/issues/12585\n 25→ */\n 26→\n 27→export namespace RetryFetch {\n 28→ const log = Log.create({ service: 'retry-fetch' });\n 29→\n 30→ // Retry configuration constants matching SessionRetry\n 31→ const RETRY_INITIAL_DELAY = 2000;\n 32→ const RETRY_BACKOFF_FACTOR = 2;\n 33→ const RETRY_MAX_DELAY_NO_HEADERS = 30_000;\n 34→\n 35→ // Minimum retry interval to prevent rapid retries (default: 30 seconds)\n 36→ // Can be configured via AGENT_MIN_RETRY_INTERVAL env var\n 37→ function getMinRetryInterval(): number {\n 38→ return Flag.MIN_RETRY_INTERVAL();\n 39→ }\n 40→\n 41→ /**\n 42→ * Add jitter to a delay value to prevent thundering herd.\n 43→ * Adds 0-10% random variation to the delay.\n 44→ */\n 45→ function addJitter(delay: number): number {\n 46→ const jitter = Math.random() * 0.1 * delay;\n 47→ return Math.round(delay + jitter);\n 48→ }\n 49→\n 50→ /**\n 51→ * Parse retry-after value from response headers and return delay in milliseconds.\n 52→ * Returns null if no valid retry-after header is found.\n 53→ */\n 54→ function parseRetryAfterHeader(headers: Headers): number | null {\n 55→ // Check for retry-after-ms header first (milliseconds)\n 56→ const retryAfterMs = headers.get('retry-after-ms');\n 57→ if (retryAfterMs) {\n 58→ const parsedMs = Number.parseFloat(retryAfterMs);\n 59→ if (!Number.isNaN(parsedMs) && parsedMs > 0) {\n 60→ log.info(() => ({\n 61→ message: 'parsed retry-after-ms header',\n 62→ headerValue: parsedMs,\n 63→ }));\n 64→ return parsedMs;\n 65→ }\n 66→ }\n 67→\n 68→ // Check for retry-after header (seconds or HTTP date)\n 69→ const retryAfter = headers.get('retry-after');\n 70→ if (retryAfter) {\n 71→ const parsedSeconds = Number.parseFloat(retryAfter);\n 72→ if (!Number.isNaN(parsedSeconds) && parsedSeconds > 0) {\n 73→ const delayMs = Math.ceil(parsedSeconds * 1000);\n 74→ log.info(() => ({\n 75→ message: 'parsed retry-after header (seconds)',\n 76→ headerValue: parsedSeconds,\n 77→ delayMs,\n 78→ }));\n 79→ return delayMs;\n 80→ }\n 81→ // Try parsing as HTTP date format\n 82→ const parsed = Date.parse(retryAfter) - Date.now();\n 83→ if (!Number.isNaN(parsed) && parsed > 0) {\n 84→ log.info(() => ({\n 85→ message: 'parsed retry-after header (date)',\n 86→ headerValue: retryAfter,\n 87→ delayMs: parsed,\n 88→ }));\n 89→ return Math.ceil(parsed);\n 90→ }\n 91→ }\n 92→\n 93→ return null;\n 94→ }\n 95→\n 96→ /**\n 97→ * Calculate retry delay based on headers and attempt number.\n 98→ * Returns null if retry-after exceeds the global retry timeout.\n 99→ */\n 100→ function calculateRetryDelay(\n 101→ headers: Headers,\n 102→ attempt: number,\n 103→ maxRetryTimeout: number,\n 104→ maxBackoffDelay: number\n 105→ ): number | null {\n 106→ const retryAfterMs = parseRetryAfterHeader(headers);\n 107→ const minInterval = getMinRetryInterval();\n 108→\n 109→ if (retryAfterMs !== null) {\n 110→ // Check if retry-after exceeds the maximum retry timeout\n 111→ if (retryAfterMs > maxRetryTimeout) {\n 112→ log.error(() => ({\n 113→ message:\n 114→ 'retry-after exceeds maximum retry timeout, will not retry at fetch level',\n 115→ retryAfterMs,\n 116→ maxRetryTimeout,\n 117→ retryAfterHours: (retryAfterMs / 1000 / 3600).toFixed(2),\n 118→ maxRetryTimeoutHours: (maxRetryTimeout / 1000 / 3600).toFixed(2),\n 119→ }));\n 120→ return null;\n 121→ }\n 122→\n 123→ // Use exact retry-after time, but ensure minimum interval\n 124→ const delay = Math.max(retryAfterMs, minInterval);\n 125→ log.info(() => ({\n 126→ message: 'using retry-after value',\n 127→ retryAfterMs,\n 128→ delay,\n 129→ minInterval,\n 130→ }));\n 131→ return addJitter(delay);\n 132→ }\n 133→\n 134→ // No retry-after header - use exponential backoff\n 135→ const backoffDelay = Math.min(\n 136→ RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n 137→ maxBackoffDelay\n 138→ );\n 139→ const delay = Math.max(backoffDelay, minInterval);\n 140→ log.info(() => ({\n 141→ message: 'no retry-after header, using exponential backoff',\n 142→ attempt,\n 143→ backoffDelay,\n 144→ delay,\n 145→ minInterval,\n 146→ maxBackoffDelay,\n 147→ }));\n 148→ return addJitter(delay);\n 149→ }\n 150→\n 151→ /**\n 152→ * Sleep for the specified duration, but respect abort signals.\n 153→ */\n 154→ async function sleep(ms: number, signal?: AbortSignal): Promise<void> {\n 155→ return new Promise((resolve, reject) => {\n 156→ const timeout = setTimeout(resolve, ms);\n 157→ if (signal) {\n 158→ signal.addEventListener(\n 159→ 'abort',\n 160→ () => {\n 161→ clearTimeout(timeout);\n 162→ reject(new DOMException('Aborted', 'AbortError'));\n 163→ },\n 164→ { once: true }\n 165→ );\n 166→ }\n 167→ });\n 168→ }\n 169→\n 170→ /**\n 171→ * Check if an error is retryable (network issues, temporary failures).\n 172→ */\n 173→ function isRetryableError(error: unknown): boolean {\n 174→ if (!(error instanceof Error)) return false;\n 175→\n 176→ // Socket/connection errors (Bun has known timeout issues)\n 177→ // See: https://github.com/oven-sh/bun/issues/14439\n 178→ if (\n 179→ error.message.includes('ConnectionClosed') ||\n 180→ error.message.includes('ECONNRESET') ||\n 181→ error.message.includes('ECONNREFUSED') ||\n 182→ error.message.includes('socket') ||\n 183→ error.message.includes('connection')\n 184→ ) {\n 185→ return true;\n 186→ }\n 187→\n 188→ return false;\n 189→ }\n 190→\n 191→ export type RetryFetchOptions = {\n 192→ /**\n 193→ * Original fetch function to wrap. Defaults to global fetch.\n 194→ */\n 195→ baseFetch?: typeof fetch;\n 196→\n 197→ /**\n 198→ * Session ID for logging purposes.\n 199→ */\n 200→ sessionID?: string;\n 201→ };\n 202→\n 203→ /**\n 204→ * Create a fetch function that handles rate limits with time-based retry logic.\n 205→ *\n 206→ * This wrapper:\n 207→ * 1. Intercepts HTTP 429 responses\n 208→ * 2. Parses retry-after headers\n 209→ * 3. Waits for the specified duration (respecting global timeout)\n 210→ * 4. Retries the request\n 211→ *\n 212→ * If retry-after exceeds AGENT_RETRY_TIMEOUT, the original 429 response is returned\n 213→ * to let higher-level error handling take over.\n 214→ *\n 215→ * @param options Configuration options\n 216→ * @returns A fetch function with rate limit retry handling\n 217→ */\n 218→ export function create(options: RetryFetchOptions = {}): typeof fetch {\n 219→ const baseFetch = options.baseFetch ?? fetch;\n 220→ const sessionID = options.sessionID ?? 'unknown';\n 221→\n 222→ return async function retryFetch(\n 223→ input: RequestInfo | URL,\n 224→ init?: RequestInit\n 225→ ): Promise<Response> {\n 226→ let attempt = 0;\n 227→ const startTime = Date.now();\n 228→ const maxRetryTimeout = Flag.RETRY_TIMEOUT() * 1000;\n 229→ const maxBackoffDelay = Flag.MAX_RETRY_DELAY();\n 230→\n 231→ while (true) {\n 232→ attempt++;\n 233→ let response: Response;\n 234→\n 235→ try {\n 236→ response = await baseFetch(input, init);\n 237→ } catch (error) {\n 238→ // Check if it's a retryable network error\n 239→ if (isRetryableError(error)) {\n 240→ const elapsed = Date.now() - startTime;\n 241→ if (elapsed >= maxRetryTimeout) {\n 242→ log.warn(() => ({\n 243→ message:\n 244→ 'network error retry timeout exceeded, re-throwing error',\n 245→ sessionID,\n 246→ elapsed,\n 247→ maxRetryTimeout,\n 248→ error: (error as Error).message,\n 249→ }));\n 250→ throw error;\n 251→ }\n 252→\n 253→ // Use exponential backoff for network errors\n 254→ const delay = Math.min(\n 255→ 2000 * Math.pow(2, attempt - 1),\n 256→ maxBackoffDelay\n 257→ );\n 258→ log.info(() => ({\n 259→ message: 'network error, retrying',\n 260→ sessionID,\n 261→ attempt,\n 262→ delay,\n 263→ error: (error as Error).message,\n 264→ }));\n 265→ await sleep(delay, init?.signal ?? undefined);\n 266→ continue;\n 267→ }\n 268→ throw error;\n 269→ }\n 270→\n 271→ // Only handle rate limit errors (429)\n 272→ if (response.status !== 429) {\n 273→ return response;\n 274→ }\n 275→\n 276→ // Check if we're within the global retry timeout\n 277→ const elapsed = Date.now() - startTime;\n 278→ if (elapsed >= maxRetryTimeout) {\n 279→ log.warn(() => ({\n 280→ message: 'retry timeout exceeded in fetch wrapper, returning 429',\n 281→ sessionID,\n 282→ elapsed,\n 283→ maxRetryTimeout,\n 284→ }));\n 285→ return response; // Let higher-level handling take over\n 286→ }\n 287→\n 288→ // Calculate retry delay\n 289→ const delay = calculateRetryDelay(\n 290→ response.headers,\n 291→ attempt,\n 292→ maxRetryTimeout - elapsed, // Remaining time\n 293→ maxBackoffDelay\n 294→ );\n 295→\n 296→ // If delay is null, retry-after exceeds timeout - return response\n 297→ if (delay === null) {\n 298→ log.warn(() => ({\n 299→ message:\n 300→ 'retry-after exceeds remaining timeout, returning 429 response',\n 301→ sessionID,\n 302→ elapsed,\n 303→ remainingTimeout: maxRetryTimeout - elapsed,\n 304→ }));\n 305→ return response;\n 306→ }\n 307→\n 308→ // Check if delay would exceed remaining timeout\n 309→ if (elapsed + delay >= maxRetryTimeout) {\n 310→ log.warn(() => ({\n 311→ message: 'delay would exceed retry timeout, returning 429 response',\n 312→ sessionID,\n 313→ elapsed,\n 314→ delay,\n 315→ maxRetryTimeout,\n 316→ }));\n 317→ return response;\n 318→ }\n 319→\n 320→ log.info(() => ({\n 321→ message: 'rate limited, will retry',\n 322→ sessionID,\n 323→ attempt,\n 324→ delay,\n 325→ delayMinutes: (delay / 1000 / 60).toFixed(2),\n 326→ elapsed,\n 327→ remainingTimeout: maxRetryTimeout - elapsed,\n 328→ }));\n 329→\n 330→ // Wait before retrying\n 331→ try {\n 332→ await sleep(delay, init?.signal ?? undefined);\n 333→ } catch {\n 334→ // Aborted - return the last response\n 335→ log.info(() => ({\n 336→ message: 'retry sleep aborted, returning last response',\n 337→ sessionID,\n 338→ }));\n 339→ return response;\n 340→ }\n 341→ }\n 342→ };\n 343→ }\n 344→\n 345→ /**\n 346→ * Wrap an existing custom fetch (e.g., OAuth fetch) with retry logic.\n 347→ *\n 348→ * This allows composing multiple fetch wrappers while maintaining retry handling.\n 349→ *\n 350→ * @param customFetch The custom fetch function to wrap\n 351→ * @param options Configuration options\n 352→ * @returns A fetch function with both custom logic and retry handling\n 353→ */\n 354→ export function wrap(\n 355→ customFetch: typeof fetch,\n 356→ options: Omit<RetryFetchOptions, 'baseFetch'> = {}\n 357→ ): typeof fetch {\n 358→ return create({\n 359→ ...options,\n 360→ baseFetch: customFetch,\n 361→ });\n 362→ }\n 363→}\n 364→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→import { MessageV2 } from './message-v2';\n 2→import { Flag } from '../flag/flag';\n 3→import { Log } from '../util/log';\n 4→\n 5→export namespace SessionRetry {\n 6→ const log = Log.create({ service: 'session.retry' });\n 7→\n 8→ export const RETRY_INITIAL_DELAY = 2000;\n 9→ export const RETRY_BACKOFF_FACTOR = 2;\n 10→ export const RETRY_MAX_DELAY_NO_HEADERS = 30_000; // 30 seconds\n 11→\n 12→ // Maximum delay for a single retry attempt when NO retry-after header (default: 20 minutes)\n 13→ // This caps exponential backoff when headers are not available\n 14→ // Can be configured via AGENT_MAX_RETRY_DELAY env var\n 15→ export function getMaxRetryDelay(): number {\n 16→ return Flag.MAX_RETRY_DELAY();\n 17→ }\n 18→\n 19→ // Get retry timeout in milliseconds\n 20→ export function getRetryTimeout(): number {\n 21→ return Flag.RETRY_TIMEOUT() * 1000;\n 22→ }\n 23→\n 24→ /**\n 25→ * Error thrown when retry-after exceeds AGENT_RETRY_TIMEOUT\n 26→ * This indicates the wait time is too long and we should fail immediately\n 27→ */\n 28→ export class RetryTimeoutExceededError extends Error {\n 29→ public readonly retryAfterMs: number;\n 30→ public readonly maxTimeoutMs: number;\n 31→\n 32→ constructor(retryAfterMs: number, maxTimeoutMs: number) {\n 33→ const retryAfterHours = (retryAfterMs / 1000 / 3600).toFixed(2);\n 34→ const maxTimeoutHours = (maxTimeoutMs / 1000 / 3600).toFixed(2);\n 35→ super(\n 36→ `API returned retry-after of ${retryAfterHours} hours, which exceeds the maximum retry timeout of ${maxTimeoutHours} hours. ` +\n 37→ `Failing immediately instead of waiting. You can adjust AGENT_RETRY_TIMEOUT env var to increase the limit.`\n 38→ );\n 39→ this.name = 'RetryTimeoutExceededError';\n 40→ this.retryAfterMs = retryAfterMs;\n 41→ this.maxTimeoutMs = maxTimeoutMs;\n 42→ }\n 43→ }\n 44→\n 45→ // Socket connection error retry configuration\n 46→ // Bun's fetch() has a known 10-second idle timeout issue\n 47→ // See: https://github.com/oven-sh/bun/issues/14439\n 48→ export const SOCKET_ERROR_MAX_RETRIES = 3;\n 49→ export const SOCKET_ERROR_INITIAL_DELAY = 1000; // 1 second\n 50→ export const SOCKET_ERROR_BACKOFF_FACTOR = 2;\n 51→\n 52→ // Timeout error retry configuration\n 53→ // When API requests time out (AbortSignal.timeout), retry with increasing intervals\n 54→ // See: https://github.com/link-assistant/agent/issues/142\n 55→ export const TIMEOUT_MAX_RETRIES = 3;\n 56→ export const TIMEOUT_DELAYS = [30_000, 60_000, 120_000]; // 30s, 60s, 120s\n 57→\n 58→ // Rate limit retry state tracking\n 59→ // Tracks total time spent retrying for each error type\n 60→ // See: https://github.com/link-assistant/agent/issues/157\n 61→ interface RetryState {\n 62→ errorType: string;\n 63→ startTime: number;\n 64→ totalRetryTime: number;\n 65→ }\n 66→\n 67→ const retryStates: Map<string, RetryState> = new Map();\n 68→\n 69→ /**\n 70→ * Check if we should continue retrying for a given session and error type.\n 71→ * Returns true if within retry timeout, false if exceeded.\n 72→ * The timeout resets when the error type changes.\n 73→ */\n 74→ export function shouldRetry(\n 75→ sessionID: string,\n 76→ errorType: string\n 77→ ): { shouldRetry: boolean; elapsedTime: number; maxTime: number } {\n 78→ const maxTime = Flag.RETRY_TIMEOUT() * 1000; // Convert to ms\n 79→ const state = retryStates.get(sessionID);\n 80→\n 81→ if (!state || state.errorType !== errorType) {\n 82→ // New error type or first error - reset state\n 83→ retryStates.set(sessionID, {\n 84→ errorType,\n 85→ startTime: Date.now(),\n 86→ totalRetryTime: 0,\n 87→ });\n 88→ return { shouldRetry: true, elapsedTime: 0, maxTime };\n 89→ }\n 90→\n 91→ const elapsedTime = Date.now() - state.startTime;\n 92→ if (elapsedTime >= maxTime) {\n 93→ log.info(() => ({\n 94→ message: 'retry timeout exceeded',\n 95→ sessionID,\n 96→ errorType,\n 97→ elapsedTime,\n 98→ maxTime,\n 99→ }));\n 100→ return { shouldRetry: false, elapsedTime, maxTime };\n 101→ }\n 102→\n 103→ return { shouldRetry: true, elapsedTime, maxTime };\n 104→ }\n 105→\n 106→ /**\n 107→ * Update retry state after a retry attempt.\n 108→ */\n 109→ export function updateRetryState(sessionID: string, delayMs: number): void {\n 110→ const state = retryStates.get(sessionID);\n 111→ if (state) {\n 112→ state.totalRetryTime += delayMs;\n 113→ }\n 114→ }\n 115→\n 116→ /**\n 117→ * Clear retry state for a session (e.g., on success).\n 118→ */\n 119→ export function clearRetryState(sessionID: string): void {\n 120→ retryStates.delete(sessionID);\n 121→ }\n 122→\n 123→ export async function sleep(ms: number, signal: AbortSignal): Promise<void> {\n 124→ return new Promise((resolve, reject) => {\n 125→ const timeout = setTimeout(resolve, ms);\n 126→ signal.addEventListener(\n 127→ 'abort',\n 128→ () => {\n 129→ clearTimeout(timeout);\n 130→ reject(new DOMException('Aborted', 'AbortError'));\n 131→ },\n 132→ { once: true }\n 133→ );\n 134→ });\n 135→ }\n 136→\n 137→ /**\n 138→ * Add jitter to a delay value to prevent thundering herd.\n 139→ * Adds 0-10% random variation to the delay.\n 140→ */\n 141→ function addJitter(delay: number): number {\n 142→ const jitter = Math.random() * 0.1 * delay;\n 143→ return Math.round(delay + jitter);\n 144→ }\n 145→\n 146→ /**\n 147→ * Parse retry-after value from headers and return delay in milliseconds.\n 148→ * Returns null if no valid retry-after header is found.\n 149→ */\n 150→ function parseRetryAfterHeader(\n 151→ headers: Record<string, string>\n 152→ ): number | null {\n 153→ // Check for retry-after-ms header first (milliseconds)\n 154→ const retryAfterMs = headers['retry-after-ms'];\n 155→ if (retryAfterMs) {\n 156→ const parsedMs = Number.parseFloat(retryAfterMs);\n 157→ if (!Number.isNaN(parsedMs) && parsedMs > 0) {\n 158→ log.info(() => ({\n 159→ message: 'parsed retry-after-ms header',\n 160→ headerValue: parsedMs,\n 161→ }));\n 162→ return parsedMs;\n 163→ }\n 164→ }\n 165→\n 166→ // Check for retry-after header (seconds or HTTP date)\n 167→ const retryAfter = headers['retry-after'];\n 168→ if (retryAfter) {\n 169→ const parsedSeconds = Number.parseFloat(retryAfter);\n 170→ if (!Number.isNaN(parsedSeconds) && parsedSeconds > 0) {\n 171→ const delayMs = Math.ceil(parsedSeconds * 1000);\n 172→ log.info(() => ({\n 173→ message: 'parsed retry-after header (seconds)',\n 174→ headerValue: parsedSeconds,\n 175→ delayMs,\n 176→ }));\n 177→ return delayMs;\n 178→ }\n 179→ // Try parsing as HTTP date format\n 180→ const parsed = Date.parse(retryAfter) - Date.now();\n 181→ if (!Number.isNaN(parsed) && parsed > 0) {\n 182→ log.info(() => ({\n 183→ message: 'parsed retry-after header (date)',\n 184→ headerValue: retryAfter,\n 185→ delayMs: parsed,\n 186→ }));\n 187→ return Math.ceil(parsed);\n 188→ }\n 189→ }\n 190→\n 191→ return null;\n 192→ }\n 193→\n 194→ /**\n 195→ * Calculate retry delay based on error response headers and attempt number.\n 196→ *\n 197→ * RETRY LOGIC (per issue #157 requirements):\n 198→ * 1. If retry-after header is available:\n 199→ * - If retry-after <= AGENT_RETRY_TIMEOUT: use it directly (exact time)\n 200→ * - If retry-after > AGENT_RETRY_TIMEOUT: throw RetryTimeoutExceededError (fail immediately)\n 201→ * 2. If no retry-after header:\n 202→ * - Use exponential backoff up to AGENT_MAX_RETRY_DELAY\n 203→ *\n 204→ * Adds jitter to prevent thundering herd when multiple requests retry.\n 205→ * See: https://github.com/link-assistant/agent/issues/157\n 206→ *\n 207→ * @throws {RetryTimeoutExceededError} When retry-after exceeds AGENT_RETRY_TIMEOUT\n 208→ */\n 209→ export function delay(error: MessageV2.APIError, attempt: number): number {\n 210→ const maxRetryTimeout = getRetryTimeout();\n 211→ const maxBackoffDelay = getMaxRetryDelay();\n 212→ const headers = error.data.responseHeaders;\n 213→\n 214→ if (headers) {\n 215→ const retryAfterMs = parseRetryAfterHeader(headers);\n 216→\n 217→ if (retryAfterMs !== null) {\n 218→ // Check if retry-after exceeds the maximum retry timeout\n 219→ if (retryAfterMs > maxRetryTimeout) {\n 220→ log.error(() => ({\n 221→ message:\n 222→ 'retry-after exceeds maximum retry timeout, failing immediately',\n 223→ retryAfterMs,\n 224→ maxRetryTimeout,\n 225→ retryAfterHours: (retryAfterMs / 1000 / 3600).toFixed(2),\n 226→ maxRetryTimeoutHours: (maxRetryTimeout / 1000 / 3600).toFixed(2),\n 227→ }));\n 228→ throw new RetryTimeoutExceededError(retryAfterMs, maxRetryTimeout);\n 229→ }\n 230→\n 231→ // Use exact retry-after time (within timeout limit)\n 232→ log.info(() => ({\n 233→ message: 'using exact retry-after value',\n 234→ retryAfterMs,\n 235→ maxRetryTimeout,\n 236→ }));\n 237→ return addJitter(retryAfterMs);\n 238→ }\n 239→\n 240→ // Headers present but no retry-after - use exponential backoff with max delay cap\n 241→ const backoffDelay = Math.min(\n 242→ RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n 243→ maxBackoffDelay\n 244→ );\n 245→ log.info(() => ({\n 246→ message: 'no retry-after header, using exponential backoff',\n 247→ attempt,\n 248→ backoffDelay,\n 249→ maxBackoffDelay,\n 250→ }));\n 251→ return addJitter(backoffDelay);\n 252→ }\n 253→\n 254→ // No headers at all - use exponential backoff with lower cap\n 255→ const backoffDelay = Math.min(\n 256→ RETRY_INITIAL_DELAY * Math.pow(RETRY_BACKOFF_FACTOR, attempt - 1),\n 257→ RETRY_MAX_DELAY_NO_HEADERS\n 258→ );\n 259→ log.info(() => ({\n 260→ message:\n 261→ 'no response headers, using exponential backoff with conservative cap',\n 262→ attempt,\n 263→ backoffDelay,\n 264→ maxCap: RETRY_MAX_DELAY_NO_HEADERS,\n 265→ }));\n 266→ return addJitter(backoffDelay);\n 267→ }\n 268→\n 269→ /**\n 270→ * Calculate delay for socket connection error retries.\n 271→ * Uses exponential backoff: 1s, 2s, 4s, etc.\n 272→ */\n 273→ export function socketErrorDelay(attempt: number): number {\n 274→ return (\n 275→ SOCKET_ERROR_INITIAL_DELAY *\n 276→ Math.pow(SOCKET_ERROR_BACKOFF_FACTOR, attempt - 1)\n 277→ );\n 278→ }\n 279→\n 280→ /**\n 281→ * Calculate delay for timeout error retries.\n 282→ * Uses fixed intervals: 30s, 60s, 120s.\n 283→ * See: https://github.com/link-assistant/agent/issues/142\n 284→ */\n 285→ export function timeoutDelay(attempt: number): number {\n 286→ const index = Math.min(attempt - 1, TIMEOUT_DELAYS.length - 1);\n 287→ return TIMEOUT_DELAYS[index];\n 288→ }\n 289→}\n 290→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→export function withTimeout<T>(promise: Promise<T>, ms: number): Promise<T> {\n 2→ let timeout: NodeJS.Timeout;\n 3→ return Promise.race([\n 4→ promise.then((result) => {\n 5→ clearTimeout(timeout);\n 6→ return result;\n 7→ }),\n 8→ new Promise<never>((_, reject) => {\n 9→ timeout = setTimeout(() => {\n 10→ reject(new Error(`Operation timed out after ${ms}ms`));\n 11→ }, ms);\n 12→ }),\n 13→ ]);\n 14→}\n 15→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"tool_use_id": "toolu_01KhoRKvSp3hFUnFXykj5cRj",
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"content": " 1→import z from 'zod';\n 2→import path from 'path';\n 3→import { Config } from '../config/config';\n 4→import { mergeDeep, sortBy } from 'remeda';\n 5→import { NoSuchModelError, type LanguageModel, type Provider as SDK } from 'ai';\n 6→import { Log } from '../util/log';\n 7→import { BunProc } from '../bun';\n 8→import { ModelsDev } from './models';\n 9→import { NamedError } from '../util/error';\n 10→import { Auth } from '../auth';\n 11→import { ClaudeOAuth } from '../auth/claude-oauth';\n 12→import { AuthPlugins } from '../auth/plugins';\n 13→import { Instance } from '../project/instance';\n 14→import { Global } from '../global';\n 15→import { Flag } from '../flag/flag';\n 16→import { iife } from '../util/iife';\n 17→import { createEchoModel } from './echo';\n 18→import { createCacheModel } from './cache';\n 19→import { RetryFetch } from './retry-fetch';\n 20→\n 21→export namespace Provider {\n 22→ const log = Log.create({ service: 'provider' });\n 23→\n 24→ type CustomLoader = (provider: ModelsDev.Provider) => Promise<{\n 25→ autoload: boolean;\n 26→ getModel?: (\n 27→ sdk: any,\n 28→ modelID: string,\n 29→ options?: Record<string, any>\n 30→ ) => Promise<any>;\n 31→ options?: Record<string, any>;\n 32→ }>;\n 33→\n 34→ type Source = 'env' | 'config' | 'custom' | 'api';\n 35→\n 36→ const CUSTOM_LOADERS: Record<string, CustomLoader> = {\n 37→ async anthropic(input) {\n 38→ // Check if OAuth credentials are available via the auth plugin\n 39→ const auth = await Auth.get('anthropic');\n 40→ if (auth?.type === 'oauth') {\n 41→ log.info(() => ({ message: 'using anthropic oauth credentials' }));\n 42→ const loaderFn = await AuthPlugins.getLoader('anthropic');\n 43→ if (loaderFn) {\n 44→ const result = await loaderFn(() => Auth.get('anthropic'), input);\n 45→ if (result.fetch) {\n 46→ return {\n 47→ autoload: true,\n 48→ options: {\n 49→ apiKey: result.apiKey || '',\n 50→ fetch: result.fetch,\n 51→ headers: {\n 52→ 'anthropic-beta':\n 53→ 'oauth-2025-04-20,claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n 54→ },\n 55→ },\n 56→ };\n 57→ }\n 58→ }\n 59→ }\n 60→ // Default: API key auth\n 61→ return {\n 62→ autoload: false,\n 63→ options: {\n 64→ headers: {\n 65→ 'anthropic-beta':\n 66→ 'claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n 67→ },\n 68→ },\n 69→ };\n 70→ },\n 71→ async opencode(input) {\n 72→ const hasKey = await (async () => {\n 73→ if (input.env.some((item) => process.env[item])) return true;\n 74→ if (await Auth.get(input.id)) return true;\n 75→ return false;\n 76→ })();\n 77→\n 78→ if (!hasKey) {\n 79→ for (const [key, value] of Object.entries(input.models)) {\n 80→ if (value.cost.input === 0) continue;\n 81→ delete input.models[key];\n 82→ }\n 83→ }\n 84→\n 85→ return {\n 86→ autoload: Object.keys(input.models).length > 0,\n 87→ options: hasKey ? {} : { apiKey: 'public' },\n 88→ };\n 89→ },\n 90→ openai: async () => {\n 91→ return {\n 92→ autoload: false,\n 93→ async getModel(\n 94→ sdk: any,\n 95→ modelID: string,\n 96→ _options?: Record<string, any>\n 97→ ) {\n 98→ return sdk.responses(modelID);\n 99→ },\n 100→ options: {},\n 101→ };\n 102→ },\n 103→ azure: async () => {\n 104→ return {\n 105→ autoload: false,\n 106→ async getModel(\n 107→ sdk: any,\n 108→ modelID: string,\n 109→ options?: Record<string, any>\n 110→ ) {\n 111→ if (options?.['useCompletionUrls']) {\n 112→ return sdk.chat(modelID);\n 113→ } else {\n 114→ return sdk.responses(modelID);\n 115→ }\n 116→ },\n 117→ options: {},\n 118→ };\n 119→ },\n 120→ 'azure-cognitive-services': async () => {\n 121→ const resourceName =\n 122→ process.env['AZURE_COGNITIVE_SERVICES_RESOURCE_NAME'];\n 123→ return {\n 124→ autoload: false,\n 125→ async getModel(\n 126→ sdk: any,\n 127→ modelID: string,\n 128→ options?: Record<string, any>\n 129→ ) {\n 130→ if (options?.['useCompletionUrls']) {\n 131→ return sdk.chat(modelID);\n 132→ } else {\n 133→ return sdk.responses(modelID);\n 134→ }\n 135→ },\n 136→ options: {\n 137→ baseURL: resourceName\n 138→ ? `https://${resourceName}.cognitiveservices.azure.com/openai`\n 139→ : undefined,\n 140→ },\n 141→ };\n 142→ },\n 143→ 'amazon-bedrock': async () => {\n 144→ if (\n 145→ !process.env['AWS_PROFILE'] &&\n 146→ !process.env['AWS_ACCESS_KEY_ID'] &&\n 147→ !process.env['AWS_BEARER_TOKEN_BEDROCK']\n 148→ )\n 149→ return { autoload: false };\n 150→\n 151→ const region = process.env['AWS_REGION'] ?? 'us-east-1';\n 152→\n 153→ const { fromNodeProviderChain } = await import(\n 154→ await BunProc.install('@aws-sdk/credential-providers')\n 155→ );\n 156→ return {\n 157→ autoload: true,\n 158→ options: {\n 159→ region,\n 160→ credentialProvider: fromNodeProviderChain(),\n 161→ },\n 162→ async getModel(\n 163→ sdk: any,\n 164→ modelID: string,\n 165→ _options?: Record<string, any>\n 166→ ) {\n 167→ let regionPrefix = region.split('-')[0];\n 168→\n 169→ switch (regionPrefix) {\n 170→ case 'us': {\n 171→ const modelRequiresPrefix = [\n 172→ 'nova-micro',\n 173→ 'nova-lite',\n 174→ 'nova-pro',\n 175→ 'nova-premier',\n 176→ 'claude',\n 177→ 'deepseek',\n 178→ ].some((m) => modelID.includes(m));\n 179→ const isGovCloud = region.startsWith('us-gov');\n 180→ if (modelRequiresPrefix && !isGovCloud) {\n 181→ modelID = `${regionPrefix}.${modelID}`;\n 182→ }\n 183→ break;\n 184→ }\n 185→ case 'eu': {\n 186→ const regionRequiresPrefix = [\n 187→ 'eu-west-1',\n 188→ 'eu-west-2',\n 189→ 'eu-west-3',\n 190→ 'eu-north-1',\n 191→ 'eu-central-1',\n 192→ 'eu-south-1',\n 193→ 'eu-south-2',\n 194→ ].some((r) => region.includes(r));\n 195→ const modelRequiresPrefix = [\n 196→ 'claude',\n 197→ 'nova-lite',\n 198→ 'nova-micro',\n 199→ 'llama3',\n 200→ 'pixtral',\n 201→ ].some((m) => modelID.includes(m));\n 202→ if (regionRequiresPrefix && modelRequiresPrefix) {\n 203→ modelID = `${regionPrefix}.${modelID}`;\n 204→ }\n 205→ break;\n 206→ }\n 207→ case 'ap': {\n 208→ const isAustraliaRegion = [\n 209→ 'ap-southeast-2',\n 210→ 'ap-southeast-4',\n 211→ ].includes(region);\n 212→ if (\n 213→ isAustraliaRegion &&\n 214→ ['anthropic.claude-sonnet-4-5', 'anthropic.claude-haiku'].some(\n 215→ (m) => modelID.includes(m)\n 216→ )\n 217→ ) {\n 218→ regionPrefix = 'au';\n 219→ modelID = `${regionPrefix}.${modelID}`;\n 220→ } else {\n 221→ const modelRequiresPrefix = [\n 222→ 'claude',\n 223→ 'nova-lite',\n 224→ 'nova-micro',\n 225→ 'nova-pro',\n 226→ ].some((m) => modelID.includes(m));\n 227→ if (modelRequiresPrefix) {\n 228→ regionPrefix = 'apac';\n 229→ modelID = `${regionPrefix}.${modelID}`;\n 230→ }\n 231→ }\n 232→ break;\n 233→ }\n 234→ }\n 235→\n 236→ return sdk.languageModel(modelID);\n 237→ },\n 238→ };\n 239→ },\n 240→ openrouter: async () => {\n 241→ return {\n 242→ autoload: false,\n 243→ options: {\n 244→ headers: {\n 245→ 'HTTP-Referer': 'https://opencode.ai/',\n 246→ 'X-Title': 'opencode',\n 247→ },\n 248→ },\n 249→ };\n 250→ },\n 251→ vercel: async () => {\n 252→ return {\n 253→ autoload: false,\n 254→ options: {\n 255→ headers: {\n 256→ 'http-referer': 'https://opencode.ai/',\n 257→ 'x-title': 'opencode',\n 258→ },\n 259→ },\n 260→ };\n 261→ },\n 262→ 'google-vertex': async () => {\n 263→ const project =\n 264→ process.env['GOOGLE_CLOUD_PROJECT'] ??\n 265→ process.env['GCP_PROJECT'] ??\n 266→ process.env['GCLOUD_PROJECT'];\n 267→ const location =\n 268→ process.env['GOOGLE_CLOUD_LOCATION'] ??\n 269→ process.env['VERTEX_LOCATION'] ??\n 270→ 'us-east5';\n 271→ const autoload = Boolean(project);\n 272→ if (!autoload) return { autoload: false };\n 273→ return {\n 274→ autoload: true,\n 275→ options: {\n 276→ project,\n 277→ location,\n 278→ },\n 279→ async getModel(sdk: any, modelID: string) {\n 280→ const id = String(modelID).trim();\n 281→ return sdk.languageModel(id);\n 282→ },\n 283→ };\n 284→ },\n 285→ 'google-vertex-anthropic': async () => {\n 286→ const project =\n 287→ process.env['GOOGLE_CLOUD_PROJECT'] ??\n 288→ process.env['GCP_PROJECT'] ??\n 289→ process.env['GCLOUD_PROJECT'];\n 290→ const location =\n 291→ process.env['GOOGLE_CLOUD_LOCATION'] ??\n 292→ process.env['VERTEX_LOCATION'] ??\n 293→ 'global';\n 294→ const autoload = Boolean(project);\n 295→ if (!autoload) return { autoload: false };\n 296→ return {\n 297→ autoload: true,\n 298→ options: {\n 299→ project,\n 300→ location,\n 301→ },\n 302→ async getModel(sdk: any, modelID: string) {\n 303→ const id = String(modelID).trim();\n 304→ return sdk.languageModel(id);\n 305→ },\n 306→ };\n 307→ },\n 308→ zenmux: async () => {\n 309→ return {\n 310→ autoload: false,\n 311→ options: {\n 312→ headers: {\n 313→ 'HTTP-Referer': 'https://opencode.ai/',\n 314→ 'X-Title': 'opencode',\n 315→ },\n 316→ },\n 317→ };\n 318→ },\n 319→ groq: async () => {\n 320→ return {\n 321→ autoload: false,\n 322→ options: {},\n 323→ };\n 324→ },\n 325→ /**\n 326→ * Kilo provider - access to 500+ AI models through Kilo Gateway\n 327→ * Uses OpenRouter-compatible API at https://api.kilo.ai/api/openrouter\n 328→ *\n 329→ * Authentication required: run `agent auth login` and select \"Kilo Gateway\"\n 330→ * For API key authentication, set KILO_API_KEY environment variable\n 331→ *\n 332→ * Free models available after authentication:\n 333→ * - GLM-5 (z-ai/glm-5) - Free limited time, flagship Z.AI model\n 334→ * - GLM 4.7 (z-ai/glm-4.7:free) - Free, agent-centric model\n 335→ * - Kimi K2.5 (moonshot/kimi-k2.5:free) - Free, agentic capabilities\n 336→ * - MiniMax M2.1 (minimax/m2.1:free) - Free, general-purpose\n 337→ * - Giga Potato (giga-potato:free) - Free evaluation model\n 338→ *\n 339→ * @see https://kilo.ai/docs/gateway\n 340→ * @see https://kilo.ai/docs/advanced-usage/free-and-budget-models\n 341→ * @see https://github.com/Kilo-Org/kilo/tree/main/packages/kilo-gateway\n 342→ */\n 343→ kilo: async (input) => {\n 344→ const hasKey = await (async () => {\n 345→ if (input.env.some((item) => process.env[item])) return true;\n 346→ if (await Auth.get(input.id)) return true;\n 347→ return false;\n 348→ })();\n 349→\n 350→ // Filter to only free models when no API key\n 351→ if (!hasKey) {\n 352→ for (const [key, value] of Object.entries(input.models)) {\n 353→ // Keep only free models (cost.input === 0) when no API key\n 354→ if (value.cost.input === 0) continue;\n 355→ delete input.models[key];\n 356→ }\n 357→ }\n 358→\n 359→ // Build options\n 360→ const options: Record<string, any> = {};\n 361→\n 362→ // Kilo-specific headers for the OpenRouter-compatible API\n 363→ // @see https://github.com/Kilo-Org/kilo/blob/main/packages/kilo-gateway/src/headers.ts\n 364→ const headers: Record<string, string> = {\n 365→ 'User-Agent': 'opencode-kilo-provider',\n 366→ 'X-KILOCODE-EDITORNAME': 'link-assistant-agent',\n 367→ };\n 368→\n 369→ // Pass KILO_ORG_ID if available\n 370→ if (process.env['KILO_ORG_ID']) {\n 371→ headers['X-KILOCODE-ORGANIZATIONID'] = process.env['KILO_ORG_ID'];\n 372→ }\n 373→\n 374→ options.headers = headers;\n 375→\n 376→ // Use auth token if available (from `agent auth login` -> Kilo device auth)\n 377→ if (!hasKey) {\n 378→ // Without authentication, use 'anonymous' key\n 379→ // Note: The Kilo API may reject anonymous requests for completions.\n 380→ // Users should authenticate via `agent auth login` for reliable access.\n 381→ options.apiKey = 'anonymous';\n 382→ } else {\n 383→ // If we have stored auth, the loader will provide the token\n 384→ const auth = await Auth.get(input.id);\n 385→ if (auth) {\n 386→ if (auth.type === 'api') {\n 387→ options.apiKey = auth.key;\n 388→ } else if (auth.type === 'oauth') {\n 389→ options.apiKey = auth.access;\n 390→ }\n 391→ }\n 392→ }\n 393→\n 394→ return {\n 395→ autoload: Object.keys(input.models).length > 0,\n 396→ options,\n 397→ };\n 398→ },\n 399→ /**\n 400→ * Qwen Coder OAuth provider for Qwen subscription users\n 401→ * Uses OAuth credentials from agent auth login (Qwen Coder Subscription)\n 402→ *\n 403→ * To authenticate, run: agent auth login (select Qwen Coder)\n 404→ */\n 405→ 'qwen-coder': async (input) => {\n 406→ const auth = await Auth.get('qwen-coder');\n 407→ if (auth?.type === 'oauth') {\n 408→ log.info(() => ({\n 409→ message: 'using qwen-coder oauth credentials',\n 410→ }));\n 411→ const loaderFn = await AuthPlugins.getLoader('qwen-coder');\n 412→ if (loaderFn) {\n 413→ const result = await loaderFn(() => Auth.get('qwen-coder'), input);\n 414→ if (result.fetch) {\n 415→ return {\n 416→ autoload: true,\n 417→ options: {\n 418→ apiKey: result.apiKey || '',\n 419→ baseURL: result.baseURL,\n 420→ fetch: result.fetch,\n 421→ },\n 422→ };\n 423→ }\n 424→ }\n 425→ }\n 426→ // Default: not auto-loaded without OAuth\n 427→ return { autoload: false };\n 428→ },\n 429→ /**\n 430→ * Alibaba OAuth provider (alias for Qwen Coder)\n 431→ * Uses OAuth credentials from agent auth login (Alibaba / Qwen Coder Subscription)\n 432→ *\n 433→ * To authenticate, run: agent auth login (select Alibaba)\n 434→ */\n 435→ alibaba: async (input) => {\n 436→ const auth = await Auth.get('alibaba');\n 437→ if (auth?.type === 'oauth') {\n 438→ log.info(() => ({\n 439→ message: 'using alibaba oauth credentials',\n 440→ }));\n 441→ const loaderFn = await AuthPlugins.getLoader('alibaba');\n 442→ if (loaderFn) {\n 443→ const result = await loaderFn(() => Auth.get('alibaba'), input);\n 444→ if (result.fetch) {\n 445→ return {\n 446→ autoload: true,\n 447→ options: {\n 448→ apiKey: result.apiKey || '',\n 449→ baseURL: result.baseURL,\n 450→ fetch: result.fetch,\n 451→ },\n 452→ };\n 453→ }\n 454→ }\n 455→ }\n 456→ // Default: not auto-loaded without OAuth\n 457→ return { autoload: false };\n 458→ },\n 459→ /**\n 460→ * Google OAuth provider for Gemini subscription users\n 461→ * Uses OAuth credentials from agent auth login (Google AI Pro/Ultra)\n 462→ *\n 463→ * To authenticate, run: agent auth google\n 464→ */\n 465→ google: async (input) => {\n 466→ const auth = await Auth.get('google');\n 467→ if (auth?.type === 'oauth') {\n 468→ log.info(() => ({ message: 'using google oauth credentials' }));\n 469→ const loaderFn = await AuthPlugins.getLoader('google');\n 470→ if (loaderFn) {\n 471→ const result = await loaderFn(() => Auth.get('google'), input);\n 472→ if (result.fetch) {\n 473→ return {\n 474→ autoload: true,\n 475→ options: {\n 476→ apiKey: result.apiKey || '',\n 477→ fetch: result.fetch,\n 478→ },\n 479→ };\n 480→ }\n 481→ }\n 482→ }\n 483→ // Default: API key auth (no OAuth credentials found)\n 484→ return { autoload: false };\n 485→ },\n 486→ /**\n 487→ * GitHub Copilot OAuth provider\n 488→ * Uses OAuth credentials from agent auth login\n 489→ */\n 490→ 'github-copilot': async (input) => {\n 491→ const auth = await Auth.get('github-copilot');\n 492→ if (auth?.type === 'oauth') {\n 493→ log.info(() => ({\n 494→ message: 'using github copilot oauth credentials',\n 495→ }));\n 496→ const loaderFn = await AuthPlugins.getLoader('github-copilot');\n 497→ if (loaderFn) {\n 498→ const result = await loaderFn(\n 499→ () => Auth.get('github-copilot'),\n 500→ input\n 501→ );\n 502→ if (result.fetch) {\n 503→ return {\n 504→ autoload: true,\n 505→ options: {\n 506→ apiKey: result.apiKey || '',\n 507→ baseURL: result.baseURL,\n 508→ fetch: result.fetch,\n 509→ },\n 510→ };\n 511→ }\n 512→ }\n 513→ }\n 514→ return { autoload: false };\n 515→ },\n 516→ /**\n 517→ * GitHub Copilot Enterprise OAuth provider\n 518→ * Uses OAuth credentials from agent auth login with enterprise URL\n 519→ */\n 520→ 'github-copilot-enterprise': async (input) => {\n 521→ const auth = await Auth.get('github-copilot-enterprise');\n 522→ if (auth?.type === 'oauth') {\n 523→ log.info(() => ({\n 524→ message: 'using github copilot enterprise oauth credentials',\n 525→ }));\n 526→ const loaderFn = await AuthPlugins.getLoader('github-copilot');\n 527→ if (loaderFn) {\n 528→ const result = await loaderFn(\n 529→ () => Auth.get('github-copilot-enterprise'),\n 530→ input\n 531→ );\n 532→ if (result.fetch) {\n 533→ return {\n 534→ autoload: true,\n 535→ options: {\n 536→ apiKey: result.apiKey || '',\n 537→ baseURL: result.baseURL,\n 538→ fetch: result.fetch,\n 539→ },\n 540→ };\n 541→ }\n 542→ }\n 543→ }\n 544→ return { autoload: false };\n 545→ },\n 546→ /**\n 547→ * Claude OAuth provider - uses Claude OAuth credentials to access\n 548→ * Anthropic models via the Claude API.\n 549→ *\n 550→ * This provider supports two methods:\n 551→ * 1. Environment variable: CLAUDE_CODE_OAUTH_TOKEN\n 552→ * 2. Credentials file: ~/.claude/.credentials.json (from Claude Code CLI or our auth command)\n 553→ *\n 554→ * OAuth tokens use Bearer authentication (Authorization header)\n 555→ * instead of x-api-key authentication used by standard API keys.\n 556→ *\n 557→ * To authenticate, run: agent auth claude\n 558→ */\n 559→ 'claude-oauth': async (input) => {\n 560→ // Check for OAuth token from environment variable first\n 561→ let oauthToken = process.env['CLAUDE_CODE_OAUTH_TOKEN'];\n 562→ let tokenSource = 'environment';\n 563→\n 564→ if (!oauthToken) {\n 565→ // Check for OAuth credentials from credentials file\n 566→ const claudeCreds = await ClaudeOAuth.getCredentials();\n 567→ if (claudeCreds) {\n 568→ oauthToken = claudeCreds.accessToken;\n 569→ tokenSource = `credentials file (${claudeCreds.subscriptionType ?? 'unknown'})`;\n 570→ }\n 571→ }\n 572→\n 573→ if (!oauthToken) {\n 574→ return { autoload: false };\n 575→ }\n 576→\n 577→ log.info(() => ({\n 578→ message: 'using claude oauth credentials',\n 579→ source: tokenSource,\n 580→ }));\n 581→\n 582→ // Create authenticated fetch with Bearer token and OAuth beta header\n 583→ const customFetch = ClaudeOAuth.createAuthenticatedFetch(oauthToken);\n 584→\n 585→ return {\n 586→ autoload: true,\n 587→ options: {\n 588→ // Use a placeholder key to satisfy the SDK's API key requirement\n 589→ // The actual authentication is done via Bearer token in customFetch\n 590→ apiKey: 'oauth-token-placeholder',\n 591→ fetch: customFetch,\n 592→ headers: {\n 593→ 'anthropic-beta':\n 594→ 'oauth-2025-04-20,claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',\n 595→ },\n 596→ },\n 597→ };\n 598→ },\n 599→ /**\n 600→ * Echo provider - synthetic provider for dry-run testing\n 601→ * Echoes back the user's input without making actual API calls.\n 602→ *\n 603→ * This provider is automatically enabled when --dry-run mode is active.\n 604→ * It can also be used explicitly with: --model link-assistant/echo\n 605→ *\n 606→ * @see https://github.com/link-assistant/agent/issues/89\n 607→ */\n 608→ 'link-assistant': async () => {\n 609→ // Echo provider is always available - no external dependencies needed\n 610→ return {\n 611→ autoload: Flag.OPENCODE_DRY_RUN, // Auto-load only in dry-run mode\n 612→ async getModel(_sdk: any, modelID: string) {\n 613→ // Return our custom echo model that implements LanguageModelV1\n 614→ return createEchoModel(modelID);\n 615→ },\n 616→ options: {},\n 617→ };\n 618→ },\n 619→ /**\n 620→ * Cache provider - synthetic provider for caching API responses\n 621→ * Caches responses using links notation for deterministic testing.\n 622→ *\n 623→ * This provider caches API responses and falls back to echo behavior.\n 624→ * It can be used explicitly with: --model link-assistant/cache/opencode/grok-code\n 625→ *\n 626→ * @see https://github.com/link-assistant/agent/issues/89\n 627→ */\n 628→ 'link-assistant/cache': async () => {\n 629→ // Cache provider is always available - no external dependencies needed\n 630→ return {\n 631→ autoload: false, // Not auto-loaded\n 632→ async getModel(_sdk: any, modelID: string) {\n 633→ // modelID should be in format \"provider/model\" like \"opencode/grok-code\"\n 634→ const parts = modelID.split('/');\n 635→ if (parts.length < 2) {\n 636→ throw new Error(\n 637→ `Invalid cache model ID: ${modelID}. Expected format: provider/model`\n 638→ );\n 639→ }\n 640→ const [providerId, ...modelParts] = parts;\n 641→ const actualModelId = modelParts.join('/');\n 642→\n 643→ // Return our custom cache model that implements LanguageModelV1\n 644→ return createCacheModel(providerId, actualModelId);\n 645→ },\n 646→ options: {},\n 647→ };\n 648→ },\n 649→ };\n 650→\n 651→ const state = Instance.state(async () => {\n 652→ using _ = log.time('state');\n 653→ const config = await Config.get();\n 654→ const database = await ModelsDev.get();\n 655→\n 656→ const providers: {\n 657→ [providerID: string]: {\n 658→ source: Source;\n 659→ info: ModelsDev.Provider;\n 660→ getModel?: (\n 661→ sdk: any,\n 662→ modelID: string,\n 663→ options?: Record<string, any>\n 664→ ) => Promise<any>;\n 665→ options: Record<string, any>;\n 666→ };\n 667→ } = {};\n 668→ const models = new Map<\n 669→ string,\n 670→ {\n 671→ providerID: string;\n 672→ modelID: string;\n 673→ info: ModelsDev.Model;\n 674→ language: LanguageModel;\n 675→ npm?: string;\n 676→ }\n 677→ >();\n 678→ const sdk = new Map<number, SDK>();\n 679→ // Maps `${provider}/${key}` to the provider’s actual model ID for custom aliases.\n 680→ const realIdByKey = new Map<string, string>();\n 681→\n 682→ log.info(() => ({ message: 'init' }));\n 683→\n 684→ function mergeProvider(\n 685→ id: string,\n 686→ options: Record<string, any>,\n 687→ source: Source,\n 688→ getModel?: (\n 689→ sdk: any,\n 690→ modelID: string,\n 691→ options?: Record<string, any>\n 692→ ) => Promise<any>\n 693→ ) {\n 694→ const provider = providers[id];\n 695→ if (!provider) {\n 696→ const info = database[id];\n 697→ if (!info) return;\n 698→ if (info.api && !options['baseURL']) options['baseURL'] = info.api;\n 699→ providers[id] = {\n 700→ source,\n 701→ info,\n 702→ options,\n 703→ getModel,\n 704→ };\n 705→ return;\n 706→ }\n 707→ provider.options = mergeDeep(provider.options, options);\n 708→ provider.source = source;\n 709→ provider.getModel = getModel ?? provider.getModel;\n 710→ }\n 711→\n 712→ const configProviders = Object.entries(config.provider ?? {});\n 713→\n 714→ // Add GitHub Copilot Enterprise provider that inherits from GitHub Copilot\n 715→ if (database['github-copilot']) {\n 716→ const githubCopilot = database['github-copilot'];\n 717→ database['github-copilot-enterprise'] = {\n 718→ ...githubCopilot,\n 719→ id: 'github-copilot-enterprise',\n 720→ name: 'GitHub Copilot Enterprise',\n 721→ // Enterprise uses a different API endpoint - will be set dynamically based on auth\n 722→ api: undefined,\n 723→ };\n 724→ }\n 725→\n 726→ // Add Claude OAuth provider that inherits from Anthropic\n 727→ // This allows using Claude Code CLI OAuth credentials with the Anthropic API\n 728→ if (database['anthropic']) {\n 729→ const anthropic = database['anthropic'];\n 730→ database['claude-oauth'] = {\n 731→ ...anthropic,\n 732→ id: 'claude-oauth',\n 733→ name: 'Claude OAuth',\n 734→ // Use CLAUDE_CODE_OAUTH_TOKEN environment variable\n 735→ env: ['CLAUDE_CODE_OAUTH_TOKEN'],\n 736→ };\n 737→ }\n 738→\n 739→ // Add gemini-3-pro alias for google provider\n 740→ // The actual model in Google's API is gemini-3-pro-preview, but we add gemini-3-pro as an alias for convenience\n 741→ if (database['google']?.models['gemini-3-pro-preview']) {\n 742→ const gemini3ProPreview =\n 743→ database['google'].models['gemini-3-pro-preview'];\n 744→ database['google'].models['gemini-3-pro'] = {\n 745→ ...gemini3ProPreview,\n 746→ id: 'gemini-3-pro-preview',\n 747→ name: 'Gemini 3 Pro',\n 748→ };\n 749→ realIdByKey.set('google/gemini-3-pro', 'gemini-3-pro-preview');\n 750→ }\n 751→\n 752→ // Add link-assistant echo provider for dry-run testing\n 753→ // This synthetic provider echoes back user input without API calls\n 754→ // @see https://github.com/link-assistant/agent/issues/89\n 755→ database['link-assistant'] = {\n 756→ id: 'link-assistant',\n 757→ name: 'Link Assistant (Echo)',\n 758→ env: [], // No environment variables needed - synthetic provider\n 759→ models: {\n 760→ echo: {\n 761→ id: 'echo',\n 762→ name: 'Echo Model',\n 763→ release_date: '2024-01-01',\n 764→ attachment: false,\n 765→ reasoning: false,\n 766→ temperature: false,\n 767→ tool_call: true,\n 768→ cost: {\n 769→ input: 0,\n 770→ output: 0,\n 771→ cache_read: 0,\n 772→ cache_write: 0,\n 773→ },\n 774→ limit: {\n 775→ context: 1000000, // Virtually unlimited\n 776→ output: 100000,\n 777→ },\n 778→ modalities: {\n 779→ input: ['text'],\n 780→ output: ['text'],\n 781→ },\n 782→ options: {},\n 783→ },\n 784→ },\n 785→ };\n 786→\n 787→ // Add link-assistant/cache provider for caching API responses\n 788→ // This synthetic provider caches responses and falls back to echo\n 789→ // @see https://github.com/link-assistant/agent/issues/89\n 790→ database['link-assistant/cache'] = {\n 791→ id: 'link-assistant/cache',\n 792→ name: 'Link Assistant (Cache)',\n 793→ env: [], // No environment variables needed - synthetic provider\n 794→ models: {}, // Models are dynamically created based on the provider/model syntax\n 795→ };\n 796→\n 797→ // Add Kilo provider for access to 500+ AI models through Kilo Gateway\n 798→ // Free models available: GLM-5, GLM 4.7, Kimi K2.5, MiniMax M2.1, Giga Potato\n 799→ // @see https://kilo.ai/docs/gateway\n 800→ // @see https://github.com/link-assistant/agent/issues/159\n 801→ database['kilo'] = {\n 802→ id: 'kilo',\n 803→ name: 'Kilo Gateway',\n 804→ npm: '@openrouter/ai-sdk-provider',\n 805→ api: 'https://api.kilo.ai/api/openrouter',\n 806→ env: ['KILO_API_KEY'],\n 807→ models: {\n 808→ // GLM-5 - Flagship Z.AI model, free tier\n 809→ // Kilo API model ID: z-ai/glm-5:free (NOT z-ai/glm-5 which is paid)\n 810→ 'glm-5-free': {\n 811→ id: 'z-ai/glm-5:free',\n 812→ name: 'GLM-5 (Free)',\n 813→ release_date: '2026-02-11',\n 814→ attachment: false,\n 815→ reasoning: true,\n 816→ temperature: true,\n 817→ tool_call: true,\n 818→ cost: {\n 819→ input: 0,\n 820→ output: 0,\n 821→ cache_read: 0,\n 822→ cache_write: 0,\n 823→ },\n 824→ limit: {\n 825→ context: 202800,\n 826→ output: 131072,\n 827→ },\n 828→ modalities: {\n 829→ input: ['text'],\n 830→ output: ['text'],\n 831→ },\n 832→ options: {},\n 833→ },\n 834→ // GLM 4.5 Air - Free Z.AI model (replaces non-existent glm-4.7:free)\n 835→ // Kilo API model ID: z-ai/glm-4.5-air:free\n 836→ 'glm-4.5-air-free': {\n 837→ id: 'z-ai/glm-4.5-air:free',\n 838→ name: 'GLM 4.5 Air (Free)',\n 839→ release_date: '2026-01-15',\n 840→ attachment: false,\n 841→ reasoning: true,\n 842→ temperature: true,\n 843→ tool_call: true,\n 844→ cost: {\n 845→ input: 0,\n 846→ output: 0,\n 847→ cache_read: 0,\n 848→ cache_write: 0,\n 849→ },\n 850→ limit: {\n 851→ context: 131072,\n 852→ output: 96000,\n 853→ },\n 854→ modalities: {\n 855→ input: ['text'],\n 856→ output: ['text'],\n 857→ },\n 858→ options: {},\n 859→ },\n 860→ // MiniMax M2.5 - General-purpose, free (upgraded from M2.1)\n 861→ // Kilo API model ID: minimax/minimax-m2.5:free\n 862→ 'minimax-m2.5-free': {\n 863→ id: 'minimax/minimax-m2.5:free',\n 864→ name: 'MiniMax M2.5 (Free)',\n 865→ release_date: '2026-01-01',\n 866→ attachment: false,\n 867→ reasoning: true,\n 868→ temperature: true,\n 869→ tool_call: true,\n 870→ cost: {\n 871→ input: 0,\n 872→ output: 0,\n 873→ cache_read: 0,\n 874→ cache_write: 0,\n 875→ },\n 876→ limit: {\n 877→ context: 204800,\n 878→ output: 131072,\n 879→ },\n 880→ modalities: {\n 881→ input: ['text'],\n 882→ output: ['text'],\n 883→ },\n 884→ options: {},\n 885→ },\n 886→ // Giga Potato - Free evaluation model\n 887→ // Kilo API model ID: giga-potato (no :free suffix)\n 888→ 'giga-potato-free': {\n 889→ id: 'giga-potato',\n 890→ name: 'Giga Potato (Free)',\n 891→ release_date: '2026-01-01',\n 892→ attachment: true,\n 893→ reasoning: true,\n 894→ temperature: true,\n 895→ tool_call: true,\n 896→ cost: {\n 897→ input: 0,\n 898→ output: 0,\n 899→ cache_read: 0,\n 900→ cache_write: 0,\n 901→ },\n 902→ limit: {\n 903→ context: 256000,\n 904→ output: 32000,\n 905→ },\n 906→ modalities: {\n 907→ input: ['text', 'image'],\n 908→ output: ['text'],\n 909→ },\n 910→ options: {},\n 911→ },\n 912→ // Trinity Large Preview - Preview model from Arcee AI\n 913→ // Kilo API model ID: arcee-ai/trinity-large-preview:free\n 914→ 'trinity-large-preview': {\n 915→ id: 'arcee-ai/trinity-large-preview:free',\n 916→ name: 'Trinity Large Preview (Free)',\n 917→ release_date: '2026-01-01',\n 918→ attachment: false,\n 919→ reasoning: false,\n 920→ temperature: true,\n 921→ tool_call: true,\n 922→ cost: {\n 923→ input: 0,\n 924→ output: 0,\n 925→ cache_read: 0,\n 926→ cache_write: 0,\n 927→ },\n 928→ limit: {\n 929→ context: 131000,\n 930→ output: 65536,\n 931→ },\n 932→ modalities: {\n 933→ input: ['text'],\n 934→ output: ['text'],\n 935→ },\n 936→ options: {},\n 937→ },\n 938→ // DeepSeek R1 - Reasoning model, free\n 939→ // Kilo API model ID: deepseek/deepseek-r1-0528:free\n 940→ 'deepseek-r1-free': {\n 941→ id: 'deepseek/deepseek-r1-0528:free',\n 942→ name: 'DeepSeek R1 (Free)',\n 943→ release_date: '2025-05-28',\n 944→ attachment: false,\n 945→ reasoning: true,\n 946→ temperature: true,\n 947→ tool_call: false,\n 948→ cost: {\n 949→ input: 0,\n 950→ output: 0,\n 951→ cache_read: 0,\n 952→ cache_write: 0,\n 953→ },\n 954→ limit: {\n 955→ context: 163840,\n 956→ output: 163840,\n 957→ },\n 958→ modalities: {\n 959→ input: ['text'],\n 960→ output: ['text'],\n 961→ },\n 962→ options: {},\n 963→ },\n 964→ },\n 965→ };\n 966→\n 967→ for (const [providerID, provider] of configProviders) {\n 968→ const existing = database[providerID];\n 969→ const parsed: ModelsDev.Provider = {\n 970→ id: providerID,\n 971→ npm: provider.npm ?? existing?.npm,\n 972→ name: provider.name ?? existing?.name ?? providerID,\n 973→ env: provider.env ?? existing?.env ?? [],\n 974→ api: provider.api ?? existing?.api,\n 975→ models: existing?.models ?? {},\n 976→ };\n 977→\n 978→ for (const [modelID, model] of Object.entries(provider.models ?? {})) {\n 979→ const existing = parsed.models[model.id ?? modelID];\n 980→ const name = iife(() => {\n 981→ if (model.name) return model.name;\n 982→ if (model.id && model.id !== modelID) return modelID;\n 983→ return existing?.name ?? modelID;\n 984→ });\n 985→ const parsedModel: ModelsDev.Model = {\n 986→ id: modelID,\n 987→ name,\n 988→ release_date: model.release_date ?? existing?.release_date,\n 989→ attachment: model.attachment ?? existing?.attachment ?? false,\n 990→ reasoning: model.reasoning ?? existing?.reasoning ?? false,\n 991→ temperature: model.temperature ?? existing?.temperature ?? false,\n 992→ tool_call: model.tool_call ?? existing?.tool_call ?? true,\n 993→ cost:\n 994→ !model.cost && !existing?.cost\n 995→ ? {\n 996→ input: 0,\n 997→ output: 0,\n 998→ cache_read: 0,\n 999→ cache_write: 0,\n 1000→ }\n 1001→ : {\n 1002→ cache_read: 0,\n 1003→ cache_write: 0,\n 1004→ ...existing?.cost,\n 1005→ ...model.cost,\n 1006→ },\n 1007→ options: {\n 1008→ ...existing?.options,\n 1009→ ...model.options,\n 1010→ },\n 1011→ limit: model.limit ??\n 1012→ existing?.limit ?? {\n 1013→ context: 0,\n 1014→ output: 0,\n 1015→ },\n 1016→ modalities: model.modalities ??\n 1017→ existing?.modalities ?? {\n 1018→ input: ['text'],\n 1019→ output: ['text'],\n 1020→ },\n 1021→ headers: model.headers,\n 1022→ provider: model.provider ?? existing?.provider,\n 1023→ };\n 1024→ if (model.id && model.id !== modelID) {\n 1025→ realIdByKey.set(`${providerID}/${modelID}`, model.id);\n 1026→ }\n 1027→ parsed.models[modelID] = parsedModel;\n 1028→ }\n 1029→ database[providerID] = parsed;\n 1030→ }\n 1031→\n 1032→ const disabled = await Config.get().then(\n 1033→ (cfg) => new Set(cfg.disabled_providers ?? [])\n 1034→ );\n 1035→ // load env\n 1036→ for (const [providerID, provider] of Object.entries(database)) {\n 1037→ if (disabled.has(providerID)) continue;\n 1038→ // Find the first truthy env var (supports multiple env var options like Google's\n 1039→ // GOOGLE_GENERATIVE_AI_API_KEY and GEMINI_API_KEY)\n 1040→ const apiKey = provider.env\n 1041→ .map((item) => process.env[item])\n 1042→ .find(Boolean);\n 1043→ if (!apiKey) continue;\n 1044→ // Always pass the API key - the provider SDK needs it for authentication\n 1045→ mergeProvider(providerID, { apiKey }, 'env');\n 1046→ }\n 1047→\n 1048→ // load apikeys\n 1049→ for (const [providerID, provider] of Object.entries(await Auth.all())) {\n 1050→ if (disabled.has(providerID)) continue;\n 1051→ if (provider.type === 'api') {\n 1052→ mergeProvider(providerID, { apiKey: provider.key }, 'api');\n 1053→ }\n 1054→ }\n 1055→\n 1056→ // load custom\n 1057→ for (const [providerID, fn] of Object.entries(CUSTOM_LOADERS)) {\n 1058→ if (disabled.has(providerID)) continue;\n 1059→ const result = await fn(database[providerID]);\n 1060→ if (result && (result.autoload || providers[providerID])) {\n 1061→ mergeProvider(\n 1062→ providerID,\n 1063→ result.options ?? {},\n 1064→ 'custom',\n 1065→ result.getModel\n 1066→ );\n 1067→ }\n 1068→ }\n 1069→\n 1070→ // load config\n 1071→ for (const [providerID, provider] of configProviders) {\n 1072→ mergeProvider(providerID, provider.options ?? {}, 'config');\n 1073→ }\n 1074→\n 1075→ for (const [providerID, provider] of Object.entries(providers)) {\n 1076→ const filteredModels = Object.fromEntries(\n 1077→ Object.entries(provider.info.models)\n 1078→ // Filter out blacklisted models\n 1079→ .filter(\n 1080→ ([modelID]) =>\n 1081→ modelID !== 'gpt-5-chat-latest' &&\n 1082→ !(providerID === 'openrouter' && modelID === 'openai/gpt-5-chat')\n 1083→ )\n 1084→ // Filter out experimental models\n 1085→ .filter(\n 1086→ ([, model]) =>\n 1087→ ((!model.experimental && model.status !== 'alpha') ||\n 1088→ Flag.OPENCODE_ENABLE_EXPERIMENTAL_MODELS) &&\n 1089→ model.status !== 'deprecated'\n 1090→ )\n 1091→ );\n 1092→ provider.info.models = filteredModels;\n 1093→\n 1094→ if (Object.keys(provider.info.models).length === 0) {\n 1095→ delete providers[providerID];\n 1096→ continue;\n 1097→ }\n 1098→ log.info(() => ({ message: 'found', providerID }));\n 1099→ }\n 1100→\n 1101→ return {\n 1102→ models,\n 1103→ providers,\n 1104→ sdk,\n 1105→ realIdByKey,\n 1106→ };\n 1107→ });\n 1108→\n 1109→ export async function list() {\n 1110→ return state().then((state) => state.providers);\n 1111→ }\n 1112→\n 1113→ async function getSDK(provider: ModelsDev.Provider, model: ModelsDev.Model) {\n 1114→ return (async () => {\n 1115→ using _ = log.time('getSDK', {\n 1116→ providerID: provider.id,\n 1117→ });\n 1118→ const s = await state();\n 1119→ const pkg = model.provider?.npm ?? provider.npm ?? provider.id;\n 1120→ const options = { ...s.providers[provider.id]?.options };\n 1121→ if (\n 1122→ pkg.includes('@ai-sdk/openai-compatible') &&\n 1123→ options['includeUsage'] === undefined\n 1124→ ) {\n 1125→ options['includeUsage'] = true;\n 1126→ }\n 1127→ const key = Bun.hash.xxHash32(JSON.stringify({ pkg, options }));\n 1128→ const existing = s.sdk.get(key);\n 1129→ if (existing) return existing;\n 1130→\n 1131→ let installedPath: string;\n 1132→ if (!pkg.startsWith('file://')) {\n 1133→ log.info(() => ({\n 1134→ message: 'installing provider package',\n 1135→ providerID: provider.id,\n 1136→ pkg,\n 1137→ version: 'latest',\n 1138→ }));\n 1139→ installedPath = await BunProc.install(pkg, 'latest');\n 1140→ log.info(() => ({\n 1141→ message: 'provider package installed successfully',\n 1142→ providerID: provider.id,\n 1143→ pkg,\n 1144→ installedPath,\n 1145→ }));\n 1146→ } else {\n 1147→ log.info(() => ({ message: 'loading local provider', pkg }));\n 1148→ installedPath = pkg;\n 1149→ }\n 1150→\n 1151→ // The `google-vertex-anthropic` provider points to the `@ai-sdk/google-vertex` package.\n 1152→ // Ref: https://github.com/sst/models.dev/blob/0a87de42ab177bebad0620a889e2eb2b4a5dd4ab/providers/google-vertex-anthropic/provider.toml\n 1153→ // However, the actual export is at the subpath `@ai-sdk/google-vertex/anthropic`.\n 1154→ // Ref: https://ai-sdk.dev/providers/ai-sdk-providers/google-vertex#google-vertex-anthropic-provider-usage\n 1155→ // In addition, Bun's dynamic import logic does not support subpath imports,\n 1156→ // so we patch the import path to load directly from `dist`.\n 1157→ const modPath =\n 1158→ provider.id === 'google-vertex-anthropic'\n 1159→ ? `${installedPath}/dist/anthropic/index.mjs`\n 1160→ : installedPath;\n 1161→ const mod = await import(modPath);\n 1162→ if (options['timeout'] !== undefined && options['timeout'] !== null) {\n 1163→ // Preserve custom fetch if it exists, wrap it with timeout logic\n 1164→ const customFetch = options['fetch'];\n 1165→ options['fetch'] = async (input: any, init?: BunFetchRequestInit) => {\n 1166→ const { signal, ...rest } = init ?? {};\n 1167→\n 1168→ const signals: AbortSignal[] = [];\n 1169→ if (signal) signals.push(signal);\n 1170→ if (options['timeout'] !== false)\n 1171→ signals.push(AbortSignal.timeout(options['timeout']));\n 1172→\n 1173→ const combined =\n 1174→ signals.length > 1 ? AbortSignal.any(signals) : signals[0];\n 1175→\n 1176→ const fetchFn = customFetch ?? fetch;\n 1177→ return fetchFn(input, {\n 1178→ ...rest,\n 1179→ signal: combined,\n 1180→ // @ts-ignore see here: https://github.com/oven-sh/bun/issues/16682\n 1181→ timeout: false,\n 1182→ });\n 1183→ };\n 1184→ }\n 1185→\n 1186→ // Wrap fetch with retry logic for rate limit handling (HTTP 429)\n 1187→ // This ensures the agent's time-based retry (7-week timeout) is respected\n 1188→ // instead of the AI SDK's fixed retry count (3 attempts)\n 1189→ // See: https://github.com/link-assistant/agent/issues/167\n 1190→ const existingFetch = options['fetch'] ?? fetch;\n 1191→ options['fetch'] = RetryFetch.wrap(existingFetch, {\n 1192→ sessionID: provider.id,\n 1193→ });\n 1194→\n 1195→ const fn = mod[Object.keys(mod).find((key) => key.startsWith('create'))!];\n 1196→ const loaded = fn({\n 1197→ name: provider.id,\n 1198→ ...options,\n 1199→ });\n 1200→ s.sdk.set(key, loaded);\n 1201→ return loaded as SDK;\n 1202→ })().catch((e) => {\n 1203→ log.error(() => ({\n 1204→ message: 'provider initialization failed',\n 1205→ providerID: provider.id,\n 1206→ pkg: model.provider?.npm ?? provider.npm ?? provider.id,\n 1207→ error: e instanceof Error ? e.message : String(e),\n 1208→ stack: e instanceof Error ? e.stack : undefined,\n 1209→ cause: e instanceof Error && e.cause ? String(e.cause) : undefined,\n 1210→ }));\n 1211→ throw new InitError({ providerID: provider.id }, { cause: e });\n 1212→ });\n 1213→ }\n 1214→\n 1215→ export async function getProvider(providerID: string) {\n 1216→ return state().then((s) => s.providers[providerID]);\n 1217→ }\n 1218→\n 1219→ export async function getModel(providerID: string, modelID: string) {\n 1220→ const key = `${providerID}/${modelID}`;\n 1221→ const s = await state();\n 1222→ if (s.models.has(key)) return s.models.get(key)!;\n 1223→\n 1224→ log.info(() => ({ message: 'getModel', providerID, modelID }));\n 1225→\n 1226→ const provider = s.providers[providerID];\n 1227→ if (!provider) {\n 1228→ // Check if this model ID might exist in another provider (e.g., OpenRouter)\n 1229→ // This helps users who use formats like \"z-ai/glm-4.7\" instead of \"openrouter/z-ai/glm-4.7\"\n 1230→ const fullModelKey = `${providerID}/${modelID}`;\n 1231→ let suggestion: string | undefined;\n 1232→\n 1233→ for (const [knownProviderID, knownProvider] of Object.entries(\n 1234→ s.providers\n 1235→ )) {\n 1236→ if (knownProvider.info.models[fullModelKey]) {\n 1237→ suggestion = `Did you mean: ${knownProviderID}/${fullModelKey}?`;\n 1238→ break;\n 1239→ }\n 1240→ }\n 1241→\n 1242→ throw new ModelNotFoundError({ providerID, modelID, suggestion });\n 1243→ }\n 1244→\n 1245→ // For synthetic providers (like link-assistant/echo and link-assistant/cache), skip SDK loading\n 1246→ // These providers have a custom getModel function that creates the model directly\n 1247→ const isSyntheticProvider =\n 1248→ providerID === 'link-assistant' || providerID === 'link-assistant/cache';\n 1249→\n 1250→ // For synthetic providers, we don't need model info from the database\n 1251→ const info = isSyntheticProvider ? null : provider.info.models[modelID];\n 1252→ if (!isSyntheticProvider && !info)\n 1253→ throw new ModelNotFoundError({ providerID, modelID });\n 1254→\n 1255→ try {\n 1256→ const keyReal = `${providerID}/${modelID}`;\n 1257→ const realID = s.realIdByKey.get(keyReal) ?? (info ? info.id : modelID);\n 1258→\n 1259→ let language: LanguageModel;\n 1260→ if (isSyntheticProvider && provider.getModel) {\n 1261→ // For synthetic providers, call getModel directly without SDK\n 1262→ language = await provider.getModel(null, realID, provider.options);\n 1263→ } else {\n 1264→ // For regular providers, load the SDK first\n 1265→ const sdk = await getSDK(provider.info, info!);\n 1266→ language = provider.getModel\n 1267→ ? await provider.getModel(sdk, realID, provider.options)\n 1268→ : sdk.languageModel(realID);\n 1269→ }\n 1270→ log.info(() => ({ message: 'found', providerID, modelID }));\n 1271→ s.models.set(key, {\n 1272→ providerID,\n 1273→ modelID,\n 1274→ info,\n 1275→ language,\n 1276→ npm: isSyntheticProvider\n 1277→ ? provider.info.npm\n 1278→ : (info.provider?.npm ?? provider.info.npm),\n 1279→ });\n 1280→ return {\n 1281→ modelID,\n 1282→ providerID,\n 1283→ info,\n 1284→ language,\n 1285→ npm: info.provider?.npm ?? provider.info.npm,\n 1286→ };\n 1287→ } catch (e) {\n 1288→ if (e instanceof NoSuchModelError)\n 1289→ throw new ModelNotFoundError(\n 1290→ {\n 1291→ modelID: modelID,\n 1292→ providerID,\n 1293→ },\n 1294→ { cause: e }\n 1295→ );\n 1296→ throw e;\n 1297→ }\n 1298→ }\n 1299→\n 1300→ export async function getSmallModel(providerID: string) {\n 1301→ const cfg = await Config.get();\n 1302→\n 1303→ if (cfg.small_model) {\n 1304→ const parsed = parseModel(cfg.small_model);\n 1305→ return getModel(parsed.providerID, parsed.modelID);\n 1306→ }\n 1307→\n 1308→ const provider = await state().then((state) => state.providers[providerID]);\n 1309→ if (!provider) return;\n 1310→ let priority = [\n 1311→ 'claude-haiku-4-5',\n 1312→ 'claude-haiku-4.5',\n 1313→ '3-5-haiku',\n 1314→ '3.5-haiku',\n 1315→ 'gemini-2.5-flash',\n 1316→ 'gpt-5-nano',\n 1317→ ];\n 1318→ // claude-haiku-4.5 is considered a premium model in github copilot, we shouldn't use premium requests for title gen\n 1319→ if (providerID === 'github-copilot') {\n 1320→ priority = priority.filter((m) => m !== 'claude-haiku-4.5');\n 1321→ }\n 1322→ if (providerID === 'opencode' || providerID === 'local') {\n 1323→ priority = [\n 1324→ 'kimi-k2.5-free',\n 1325→ 'minimax-m2.1-free',\n 1326→ 'gpt-5-nano',\n 1327→ 'glm-4.7-free',\n 1328→ 'big-pickle',\n 1329→ ];\n 1330→ }\n 1331→ if (providerID === 'kilo') {\n 1332→ priority = [\n 1333→ 'glm-5-free',\n 1334→ 'glm-4.5-air-free',\n 1335→ 'minimax-m2.5-free',\n 1336→ 'deepseek-r1-free',\n 1337→ 'giga-potato-free',\n 1338→ ];\n 1339→ }\n 1340→ for (const item of priority) {\n 1341→ for (const model of Object.keys(provider.info.models)) {\n 1342→ if (model.includes(item)) return getModel(providerID, model);\n 1343→ }\n 1344→ }\n 1345→ }\n 1346→\n 1347→ const priority = [\n 1348→ 'glm-5-free',\n 1349→ 'kimi-k2.5-free',\n 1350→ 'minimax-m2.1-free',\n 1351→ 'gpt-5-nano',\n 1352→ 'glm-4.7-free',\n 1353→ 'big-pickle',\n 1354→ 'gpt-5',\n 1355→ 'claude-sonnet-4',\n 1356→ 'gemini-3-pro',\n 1357→ ];\n 1358→ export function sort(models: ModelsDev.Model[]) {\n 1359→ return sortBy(\n 1360→ models,\n 1361→ [\n 1362→ (model) => priority.findIndex((filter) => model.id.includes(filter)),\n 1363→ 'desc',\n 1364→ ],\n 1365→ [(model) => (model.id.includes('latest') ? 0 : 1), 'asc'],\n 1366→ [(model) => model.id, 'desc']\n 1367→ );\n 1368→ }\n 1369→\n 1370→ export async function defaultModel() {\n 1371→ const cfg = await Config.get();\n 1372→\n 1373→ // In dry-run mode, use the echo provider by default\n 1374→ // This allows testing round-trips and multi-turn conversations without API costs\n 1375→ // @see https://github.com/link-assistant/agent/issues/89\n 1376→ if (Flag.OPENCODE_DRY_RUN) {\n 1377→ log.info('dry-run mode enabled, using echo provider as default');\n 1378→ return {\n 1379→ providerID: 'link-assistant',\n 1380→ modelID: 'echo',\n 1381→ };\n 1382→ }\n 1383→\n 1384→ if (cfg.model) return parseModel(cfg.model);\n 1385→\n 1386→ // Prefer opencode provider if available\n 1387→ const providers = await list().then((val) => Object.values(val));\n 1388→ const opencodeProvider = providers.find((p) => p.info.id === 'opencode');\n 1389→ if (opencodeProvider) {\n 1390→ const [model] = sort(Object.values(opencodeProvider.info.models));\n 1391→ if (model) {\n 1392→ log.info(() => ({\n 1393→ message: 'using opencode provider as default',\n 1394→ provider: opencodeProvider.info.id,\n 1395→ model: model.id,\n 1396→ }));\n 1397→ return {\n 1398→ providerID: opencodeProvider.info.id,\n 1399→ modelID: model.id,\n 1400→ };\n 1401→ }\n 1402→ }\n 1403→\n 1404→ // Fall back to any available provider if opencode is not available\n 1405→ const provider = providers.find(\n 1406→ (p) => !cfg.provider || Object.keys(cfg.provider).includes(p.info.id)\n 1407→ );\n 1408→ if (!provider) throw new Error('no providers found');\n 1409→ const [model] = sort(Object.values(provider.info.models));\n 1410→ if (!model) throw new Error('no models found');\n 1411→ return {\n 1412→ providerID: provider.info.id,\n 1413→ modelID: model.id,\n 1414→ };\n 1415→ }\n 1416→\n 1417→ export function parseModel(model: string) {\n 1418→ const [providerID, ...rest] = model.split('/');\n 1419→ return {\n 1420→ providerID: providerID,\n 1421→ modelID: rest.join('/'),\n 1422→ };\n 1423→ }\n 1424→\n 1425→ /**\n 1426→ * Resolve a short model name (without provider prefix) to the appropriate provider.\n 1427→ * This function finds which provider should handle a model when no explicit provider is specified.\n 1428→ *\n 1429→ * Priority for free models:\n 1430→ * 1. If model is uniquely available in one provider, use that provider\n 1431→ * 2. If model is available in multiple providers, prioritize based on free model availability:\n 1432→ * - kilo: glm-5-free, glm-4.5-air-free, minimax-m2.5-free, giga-potato-free, deepseek-r1-free (unique to Kilo)\n 1433→ * - opencode: big-pickle, gpt-5-nano (unique to OpenCode)\n 1434→ * 3. For shared models, prefer OpenCode first, then fall back to Kilo on rate limit\n 1435→ *\n 1436→ * @param modelID - Short model name without provider prefix\n 1437→ * @returns Provider ID that should handle this model, or undefined if not found\n 1438→ */\n 1439→ export async function resolveShortModelName(\n 1440→ modelID: string\n 1441→ ): Promise<{ providerID: string; modelID: string } | undefined> {\n 1442→ const s = await state();\n 1443→\n 1444→ // Define model-to-provider mappings for free models\n 1445→ // Models unique to Kilo (GLM models from Z.AI are only free on Kilo)\n 1446→ const kiloUniqueModels = [\n 1447→ 'glm-5-free',\n 1448→ 'glm-4.5-air-free',\n 1449→ 'minimax-m2.5-free',\n 1450→ 'giga-potato-free',\n 1451→ 'trinity-large-preview',\n 1452→ 'deepseek-r1-free',\n 1453→ ];\n 1454→\n 1455→ // Check if it's a Kilo-unique model\n 1456→ if (kiloUniqueModels.includes(modelID)) {\n 1457→ const kiloProvider = s.providers['kilo'];\n 1458→ if (kiloProvider && kiloProvider.info.models[modelID]) {\n 1459→ log.info(() => ({\n 1460→ message: 'resolved short model name to kilo (unique)',\n 1461→ modelID,\n 1462→ }));\n 1463→ return { providerID: 'kilo', modelID };\n 1464→ }\n 1465→ }\n 1466→\n 1467→ // Check if model exists in any provider\n 1468→ const matchingProviders: string[] = [];\n 1469→ for (const [providerID, provider] of Object.entries(s.providers)) {\n 1470→ if (provider.info.models[modelID]) {\n 1471→ matchingProviders.push(providerID);\n 1472→ }\n 1473→ }\n 1474→\n 1475→ if (matchingProviders.length === 0) {\n 1476→ return undefined;\n 1477→ }\n 1478→\n 1479→ if (matchingProviders.length === 1) {\n 1480→ const providerID = matchingProviders[0];\n 1481→ log.info(() => ({\n 1482→ message: 'resolved short model name (single match)',\n 1483→ modelID,\n 1484→ providerID,\n 1485→ }));\n 1486→ return { providerID, modelID };\n 1487→ }\n 1488→\n 1489→ // Multiple providers have this model - prefer OpenCode for shared free models\n 1490→ // This follows the convention that opencode is the primary free provider\n 1491→ if (matchingProviders.includes('opencode')) {\n 1492→ log.info(() => ({\n 1493→ message: 'resolved short model name to opencode (multiple providers)',\n 1494→ modelID,\n 1495→ availableProviders: matchingProviders,\n 1496→ }));\n 1497→ return { providerID: 'opencode', modelID };\n 1498→ }\n 1499→\n 1500→ // Fallback to first matching provider\n 1501→ const providerID = matchingProviders[0];\n 1502→ log.info(() => ({\n 1503→ message: 'resolved short model name (fallback)',\n 1504→ modelID,\n 1505→ providerID,\n 1506→ availableProviders: matchingProviders,\n 1507→ }));\n 1508→ return { providerID, modelID };\n 1509→ }\n 1510→\n 1511→ /**\n 1512→ * Parse a model string that may or may not include a provider prefix.\n 1513→ * If no provider is specified, attempts to resolve the short model name to the appropriate provider.\n 1514→ *\n 1515→ * Examples:\n 1516→ * - \"kilo/glm-5-free\" -> { providerID: \"kilo\", modelID: \"glm-5-free\" }\n 1517→ * - \"glm-5-free\" -> { providerID: \"kilo\", modelID: \"glm-5-free\" } (resolved)\n 1518→ * - \"kimi-k2.5-free\" -> { providerID: \"opencode\", modelID: \"kimi-k2.5-free\" } (resolved)\n 1519→ *\n 1520→ * @param model - Model string with or without provider prefix\n 1521→ * @returns Parsed provider ID and model ID\n 1522→ */\n 1523→ export async function parseModelWithResolution(\n 1524→ model: string\n 1525→ ): Promise<{ providerID: string; modelID: string }> {\n 1526→ // Check if model includes a provider prefix\n 1527→ if (model.includes('/')) {\n 1528→ // Explicit provider specified - use it directly\n 1529→ return parseModel(model);\n 1530→ }\n 1531→\n 1532→ // No provider prefix - try to resolve the short model name\n 1533→ const resolved = await resolveShortModelName(model);\n 1534→ if (resolved) {\n 1535→ return resolved;\n 1536→ }\n 1537→\n 1538→ // Unable to resolve - fall back to default behavior (opencode provider)\n 1539→ log.warn(() => ({\n 1540→ message: 'unable to resolve short model name, using opencode as default',\n 1541→ modelID: model,\n 1542→ }));\n 1543→ return {\n 1544→ providerID: 'opencode',\n 1545→ modelID: model,\n 1546→ };\n 1547→ }\n 1548→\n 1549→ /**\n 1550→ * Defines models that are available in multiple free providers.\n 1551→ * When one provider hits rate limits, the system can try an alternative.\n 1552→ *\n 1553→ * Note: This is only used for models without explicit provider specification.\n 1554→ * If user specifies \"kilo/kimi-k2.5-free\", no fallback will occur.\n 1555→ */\n 1556→ const SHARED_FREE_MODELS: Record<string, string[]> = {\n 1557→ // Currently no shared models between OpenCode and Kilo providers.\n 1558→ // Kilo models use different IDs than OpenCode models.\n 1559→ };\n 1560→\n 1561→ /**\n 1562→ * Get alternative providers for a model when the primary provider fails (e.g., rate limited).\n 1563→ * This function returns a list of alternative providers that offer the same model.\n 1564→ *\n 1565→ * Note: This only returns alternatives for models without explicit provider specification.\n 1566→ * If the original request had an explicit provider (like \"kilo/kimi-k2.5-free\"), this returns empty array.\n 1567→ *\n 1568→ * @param modelID - The model ID to find alternatives for\n 1569→ * @param failedProviderID - The provider that failed\n 1570→ * @param wasExplicitProvider - Whether the user explicitly specified the provider\n 1571→ * @returns Array of alternative provider IDs that can serve this model\n 1572→ */\n 1573→ export async function getAlternativeProviders(\n 1574→ modelID: string,\n 1575→ failedProviderID: string,\n 1576→ wasExplicitProvider: boolean\n 1577→ ): Promise<string[]> {\n 1578→ // If the user explicitly specified a provider, don't offer alternatives\n 1579→ if (wasExplicitProvider) {\n 1580→ log.info(() => ({\n 1581→ message: 'no alternative providers (explicit provider specified)',\n 1582→ modelID,\n 1583→ failedProviderID,\n 1584→ }));\n 1585→ return [];\n 1586→ }\n 1587→\n 1588→ // Check if this is a shared model\n 1589→ const sharedProviders = SHARED_FREE_MODELS[modelID];\n 1590→ if (!sharedProviders) {\n 1591→ // Not a shared model, no alternatives\n 1592→ return [];\n 1593→ }\n 1594→\n 1595→ // Get alternative providers (excluding the failed one)\n 1596→ const s = await state();\n 1597→ const alternatives = sharedProviders.filter(\n 1598→ (p) => p !== failedProviderID && s.providers[p]\n 1599→ );\n 1600→\n 1601→ if (alternatives.length > 0) {\n 1602→ log.info(() => ({\n 1603→ message: 'found alternative providers for rate-limited model',\n 1604→ modelID,\n 1605→ failedProviderID,\n 1606→ alternatives,\n 1607→ }));\n 1608→ }\n 1609→\n 1610→ return alternatives;\n 1611→ }\n 1612→\n 1613→ /**\n 1614→ * Checks if an error indicates a rate limit issue.\n 1615→ * @param error - The error to check\n 1616→ * @returns true if the error indicates a rate limit\n 1617→ */\n 1618→ export function isRateLimitError(error: unknown): boolean {\n 1619→ if (!(error instanceof Error)) return false;\n 1620→\n 1621→ const message = error.message.toLowerCase();\n 1622→ const name = error.name.toLowerCase();\n 1623→\n 1624→ return (\n 1625→ message.includes('rate limit') ||\n 1626→ message.includes('ratelimit') ||\n 1627→ message.includes('too many requests') ||\n 1628→ message.includes('429') ||\n 1629→ name.includes('ratelimit')\n 1630→ );\n 1631→ }\n 1632→\n 1633→ export const ModelNotFoundError = NamedError.create(\n 1634→ 'ProviderModelNotFoundError',\n 1635→ z.object({\n 1636→ providerID: z.string(),\n 1637→ modelID: z.string(),\n 1638→ suggestion: z.string().optional(),\n 1639→ })\n 1640→ );\n 1641→\n 1642→ export const InitError = NamedError.create(\n 1643→ 'ProviderInitError',\n 1644→ z.object({\n 1645→ providerID: z.string(),\n 1646→ })\n 1647→ );\n 1648→}\n 1649→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→import { test, expect, describe, beforeEach, mock } from 'bun:test';\n 2→import { RetryFetch } from '../src/provider/retry-fetch';\n 3→\n 4→/**\n 5→ * Tests for the RetryFetch wrapper.\n 6→ *\n 7→ * These tests verify that:\n 8→ * 1. Non-429 responses are passed through unchanged\n 9→ * 2. 429 responses trigger retry logic\n 10→ * 3. retry-after headers are respected\n 11→ * 4. Global retry timeout is enforced\n 12→ * 5. Minimum retry interval is enforced\n 13→ * 6. Network errors are retried\n 14→ *\n 15→ * @see https://github.com/link-assistant/agent/issues/167\n 16→ */\n 17→\n 18→describe('RetryFetch', () => {\n 19→ describe('create()', () => {\n 20→ test('passes through successful responses unchanged', async () => {\n 21→ const mockResponse = new Response('success', { status: 200 });\n 22→ const mockFetch = mock(() => Promise.resolve(mockResponse));\n 23→\n 24→ const retryFetch = RetryFetch.create({\n 25→ baseFetch: mockFetch as unknown as typeof fetch,\n 26→ });\n 27→\n 28→ const result = await retryFetch('https://example.com');\n 29→\n 30→ expect(mockFetch).toHaveBeenCalledTimes(1);\n 31→ expect(result.status).toBe(200);\n 32→ expect(await result.text()).toBe('success');\n 33→ });\n 34→\n 35→ test('passes through error responses (non-429) unchanged', async () => {\n 36→ const mockResponse = new Response('error', { status: 500 });\n 37→ const mockFetch = mock(() => Promise.resolve(mockResponse));\n 38→\n 39→ const retryFetch = RetryFetch.create({\n 40→ baseFetch: mockFetch as unknown as typeof fetch,\n 41→ });\n 42→\n 43→ const result = await retryFetch('https://example.com');\n 44→\n 45→ expect(mockFetch).toHaveBeenCalledTimes(1);\n 46→ expect(result.status).toBe(500);\n 47→ });\n 48→\n 49→ test('returns 429 response when retry timeout is exceeded', async () => {\n 50→ // Save original env values\n 51→ const originalRetryTimeout = process.env['AGENT_RETRY_TIMEOUT'];\n 52→ const originalMinInterval = process.env['AGENT_MIN_RETRY_INTERVAL'];\n 53→\n 54→ // Set very short timeout for testing\n 55→ process.env['AGENT_RETRY_TIMEOUT'] = '0'; // 0 seconds = immediate timeout\n 56→\n 57→ try {\n 58→ const mockResponse = new Response('rate limited', {\n 59→ status: 429,\n 60→ headers: {\n 61→ 'retry-after': '60',\n 62→ },\n 63→ });\n 64→ const mockFetch = mock(() => Promise.resolve(mockResponse));\n 65→\n 66→ const retryFetch = RetryFetch.create({\n 67→ baseFetch: mockFetch as unknown as typeof fetch,\n 68→ });\n 69→\n 70→ const result = await retryFetch('https://example.com');\n 71→\n 72→ // Should return the 429 response since timeout is exceeded immediately\n 73→ expect(mockFetch).toHaveBeenCalledTimes(1);\n 74→ expect(result.status).toBe(429);\n 75→ } finally {\n 76→ // Restore original env values\n 77→ if (originalRetryTimeout !== undefined) {\n 78→ process.env['AGENT_RETRY_TIMEOUT'] = originalRetryTimeout;\n 79→ } else {\n 80→ delete process.env['AGENT_RETRY_TIMEOUT'];\n 81→ }\n 82→ if (originalMinInterval !== undefined) {\n 83→ process.env['AGENT_MIN_RETRY_INTERVAL'] = originalMinInterval;\n 84→ } else {\n 85→ delete process.env['AGENT_MIN_RETRY_INTERVAL'];\n 86→ }\n 87→ }\n 88→ });\n 89→\n 90→ test('retries on 429 and succeeds on second attempt', async () => {\n 91→ // Save original env values\n 92→ const originalRetryTimeout = process.env['AGENT_RETRY_TIMEOUT'];\n 93→ const originalMinInterval = process.env['AGENT_MIN_RETRY_INTERVAL'];\n 94→\n 95→ // Set longer timeout but short min interval for fast test\n 96→ process.env['AGENT_RETRY_TIMEOUT'] = '3600'; // 1 hour\n 97→ process.env['AGENT_MIN_RETRY_INTERVAL'] = '0'; // No minimum\n 98→\n 99→ try {\n 100→ let callCount = 0;\n 101→ const mockFetch = mock(() => {\n 102→ callCount++;\n 103→ if (callCount === 1) {\n 104→ return Promise.resolve(\n 105→ new Response('rate limited', {\n 106→ status: 429,\n 107→ headers: {\n 108→ 'retry-after': '0', // Immediate retry for test\n 109→ },\n 110→ })\n 111→ );\n 112→ }\n 113→ return Promise.resolve(new Response('success', { status: 200 }));\n 114→ });\n 115→\n 116→ const retryFetch = RetryFetch.create({\n 117→ baseFetch: mockFetch as unknown as typeof fetch,\n 118→ });\n 119→\n 120→ const result = await retryFetch('https://example.com');\n 121→\n 122→ expect(mockFetch).toHaveBeenCalledTimes(2);\n 123→ expect(result.status).toBe(200);\n 124→ } finally {\n 125→ // Restore original env values\n 126→ if (originalRetryTimeout !== undefined) {\n 127→ process.env['AGENT_RETRY_TIMEOUT'] = originalRetryTimeout;\n 128→ } else {\n 129→ delete process.env['AGENT_RETRY_TIMEOUT'];\n 130→ }\n 131→ if (originalMinInterval !== undefined) {\n 132→ process.env['AGENT_MIN_RETRY_INTERVAL'] = originalMinInterval;\n 133→ } else {\n 134→ delete process.env['AGENT_MIN_RETRY_INTERVAL'];\n 135→ }\n 136→ }\n 137→ });\n 138→ });\n 139→\n 140→ describe('wrap()', () => {\n 141→ test('wraps custom fetch with retry logic', async () => {\n 142→ let customFetchCalled = false;\n 143→ const customFetch = async (\n 144→ input: RequestInfo | URL,\n 145→ init?: RequestInit\n 146→ ): Promise<Response> => {\n 147→ customFetchCalled = true;\n 148→ return new Response('custom success', { status: 200 });\n 149→ };\n 150→\n 151→ const wrappedFetch = RetryFetch.wrap(customFetch);\n 152→\n 153→ const result = await wrappedFetch('https://example.com');\n 154→\n 155→ expect(customFetchCalled).toBe(true);\n 156→ expect(result.status).toBe(200);\n 157→ expect(await result.text()).toBe('custom success');\n 158→ });\n 159→ });\n 160→\n 161→ describe('retry-after header parsing', () => {\n 162→ test('handles retry-after-ms header', async () => {\n 163→ // This test verifies the parsing works (actual retry is tested above)\n 164→ const headers = new Headers({\n 165→ 'retry-after-ms': '5000',\n 166→ });\n 167→\n 168→ // We can't easily test the parsing directly since it's internal,\n 169→ // but we can verify the behavior indirectly\n 170→ expect(headers.get('retry-after-ms')).toBe('5000');\n 171→ });\n 172→\n 173→ test('handles retry-after header in seconds', async () => {\n 174→ const headers = new Headers({\n 175→ 'retry-after': '120',\n 176→ });\n 177→\n 178→ expect(headers.get('retry-after')).toBe('120');\n 179→ });\n 180→ });\n 181→});\n 182→\n 183→describe('Flag configuration', () => {\n 184→ test('MIN_RETRY_INTERVAL defaults to 30 seconds', async () => {\n 185→ const { Flag } = await import('../src/flag/flag');\n 186→\n 187→ // Clear env var to test default\n 188→ const original = process.env['AGENT_MIN_RETRY_INTERVAL'];\n 189→ delete process.env['AGENT_MIN_RETRY_INTERVAL'];\n 190→ delete process.env['LINK_ASSISTANT_AGENT_MIN_RETRY_INTERVAL'];\n 191→\n 192→ try {\n 193→ expect(Flag.MIN_RETRY_INTERVAL()).toBe(30000);\n 194→ } finally {\n 195→ if (original !== undefined) {\n 196→ process.env['AGENT_MIN_RETRY_INTERVAL'] = original;\n 197→ }\n 198→ }\n 199→ });\n 200→\n 201→ test('MIN_RETRY_INTERVAL can be configured via env var', async () => {\n 202→ const { Flag } = await import('../src/flag/flag');\n 203→\n 204→ const original = process.env['AGENT_MIN_RETRY_INTERVAL'];\n 205→ process.env['AGENT_MIN_RETRY_INTERVAL'] = '60'; // 60 seconds\n 206→\n 207→ try {\n 208→ expect(Flag.MIN_RETRY_INTERVAL()).toBe(60000);\n 209→ } finally {\n 210→ if (original !== undefined) {\n 211→ process.env['AGENT_MIN_RETRY_INTERVAL'] = original;\n 212→ } else {\n 213→ delete process.env['AGENT_MIN_RETRY_INTERVAL'];\n 214→ }\n 215→ }\n 216→ });\n 217→\n 218→ test('RETRY_TIMEOUT defaults to 7 days', async () => {\n 219→ const { Flag } = await import('../src/flag/flag');\n 220→\n 221→ const original = process.env['AGENT_RETRY_TIMEOUT'];\n 222→ delete process.env['AGENT_RETRY_TIMEOUT'];\n 223→ delete process.env['LINK_ASSISTANT_AGENT_RETRY_TIMEOUT'];\n 224→\n 225→ try {\n 226→ expect(Flag.RETRY_TIMEOUT()).toBe(604800); // 7 days in seconds\n 227→ } finally {\n 228→ if (original !== undefined) {\n 229→ process.env['AGENT_RETRY_TIMEOUT'] = original;\n 230→ }\n 231→ }\n 232→ });\n 233→\n 234→ test('MAX_RETRY_DELAY defaults to 20 minutes', async () => {\n 235→ const { Flag } = await import('../src/flag/flag');\n 236→\n 237→ const original = process.env['AGENT_MAX_RETRY_DELAY'];\n 238→ delete process.env['AGENT_MAX_RETRY_DELAY'];\n 239→ delete process.env['LINK_ASSISTANT_AGENT_MAX_RETRY_DELAY'];\n 240→\n 241→ try {\n 242→ expect(Flag.MAX_RETRY_DELAY()).toBe(1200000); // 20 minutes in ms\n 243→ } finally {\n 244→ if (original !== undefined) {\n 245→ process.env['AGENT_MAX_RETRY_DELAY'] = original;\n 246→ }\n 247→ }\n 248→ });\n 249→});\n 250→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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[2026-02-15T09:12:46.505Z] [INFO] {
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{
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[2026-02-15T09:12:46.890Z] [INFO] {
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[2026-02-15T09:12:46.960Z] [INFO] {
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{
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[2026-02-15T09:12:47.034Z] [INFO] {
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[2026-02-15T09:12:47.185Z] [INFO] {
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{
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[2026-02-15T09:12:47.511Z] [INFO] {
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[2026-02-15T09:12:47.541Z] [INFO] {
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[2026-02-15T09:12:47.560Z] [INFO] {
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[2026-02-15T09:12:47.593Z] [INFO] {
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[2026-02-15T09:12:48.242Z] [INFO] {
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[2026-02-15T09:12:48.314Z] [INFO] {
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"content": " 1→export namespace Flag {\n 2→ // Helper to check env vars with new prefix first, then fall back to old prefix for backwards compatibility\n 3→ function getEnv(newKey: string, oldKey: string): string | undefined {\n 4→ return process.env[newKey] ?? process.env[oldKey];\n 5→ }\n 6→\n 7→ function truthyCompat(newKey: string, oldKey: string): boolean {\n 8→ const value = (getEnv(newKey, oldKey) ?? '').toLowerCase();\n 9→ return value === 'true' || value === '1';\n 10→ }\n 11→\n 12→ // LINK_ASSISTANT_AGENT_AUTO_SHARE removed - no sharing support\n 13→ export const OPENCODE_CONFIG = getEnv(\n 14→ 'LINK_ASSISTANT_AGENT_CONFIG',\n 15→ 'OPENCODE_CONFIG'\n 16→ );\n 17→ export const OPENCODE_CONFIG_DIR = getEnv(\n 18→ 'LINK_ASSISTANT_AGENT_CONFIG_DIR',\n 19→ 'OPENCODE_CONFIG_DIR'\n 20→ );\n 21→ export const OPENCODE_CONFIG_CONTENT = getEnv(\n 22→ 'LINK_ASSISTANT_AGENT_CONFIG_CONTENT',\n 23→ 'OPENCODE_CONFIG_CONTENT'\n 24→ );\n 25→ export const OPENCODE_DISABLE_AUTOUPDATE = truthyCompat(\n 26→ 'LINK_ASSISTANT_AGENT_DISABLE_AUTOUPDATE',\n 27→ 'OPENCODE_DISABLE_AUTOUPDATE'\n 28→ );\n 29→ export const OPENCODE_DISABLE_PRUNE = truthyCompat(\n 30→ 'LINK_ASSISTANT_AGENT_DISABLE_PRUNE',\n 31→ 'OPENCODE_DISABLE_PRUNE'\n 32→ );\n 33→ export const OPENCODE_ENABLE_EXPERIMENTAL_MODELS = truthyCompat(\n 34→ 'LINK_ASSISTANT_AGENT_ENABLE_EXPERIMENTAL_MODELS',\n 35→ 'OPENCODE_ENABLE_EXPERIMENTAL_MODELS'\n 36→ );\n 37→ export const OPENCODE_DISABLE_AUTOCOMPACT = truthyCompat(\n 38→ 'LINK_ASSISTANT_AGENT_DISABLE_AUTOCOMPACT',\n 39→ 'OPENCODE_DISABLE_AUTOCOMPACT'\n 40→ );\n 41→\n 42→ // Experimental\n 43→ export const OPENCODE_EXPERIMENTAL = truthyCompat(\n 44→ 'LINK_ASSISTANT_AGENT_EXPERIMENTAL',\n 45→ 'OPENCODE_EXPERIMENTAL'\n 46→ );\n 47→ export const OPENCODE_EXPERIMENTAL_WATCHER =\n 48→ OPENCODE_EXPERIMENTAL ||\n 49→ truthyCompat(\n 50→ 'LINK_ASSISTANT_AGENT_EXPERIMENTAL_WATCHER',\n 51→ 'OPENCODE_EXPERIMENTAL_WATCHER'\n 52→ );\n 53→\n 54→ // Verbose mode - enables detailed logging of API requests\n 55→ export let OPENCODE_VERBOSE = truthyCompat(\n 56→ 'LINK_ASSISTANT_AGENT_VERBOSE',\n 57→ 'OPENCODE_VERBOSE'\n 58→ );\n 59→\n 60→ // Dry run mode - simulate operations without making actual API calls or changes\n 61→ export let OPENCODE_DRY_RUN = truthyCompat(\n 62→ 'LINK_ASSISTANT_AGENT_DRY_RUN',\n 63→ 'OPENCODE_DRY_RUN'\n 64→ );\n 65→\n 66→ // Title generation configuration\n 67→ // When disabled, sessions will use default \"New session - {timestamp}\" titles\n 68→ // This saves tokens and prevents rate limit issues with free tier models\n 69→ // See: https://github.com/link-assistant/agent/issues/157\n 70→ export let GENERATE_TITLE = truthyCompat(\n 71→ 'LINK_ASSISTANT_AGENT_GENERATE_TITLE',\n 72→ 'AGENT_GENERATE_TITLE'\n 73→ );\n 74→\n 75→ // Allow setting title generation mode programmatically (e.g., from CLI --generate-title flag)\n 76→ export function setGenerateTitle(value: boolean) {\n 77→ GENERATE_TITLE = value;\n 78→ }\n 79→\n 80→ // Retry timeout configuration\n 81→ // Maximum total time to keep retrying for the same error type (default: 7 days in seconds)\n 82→ // For different error types, the timer resets\n 83→ // See: https://github.com/link-assistant/agent/issues/157\n 84→ export function RETRY_TIMEOUT(): number {\n 85→ const val = getEnv(\n 86→ 'LINK_ASSISTANT_AGENT_RETRY_TIMEOUT',\n 87→ 'AGENT_RETRY_TIMEOUT'\n 88→ );\n 89→ return val ? parseInt(val, 10) : 604800; // 7 days in seconds\n 90→ }\n 91→\n 92→ // Maximum delay for a single retry attempt (default: 20 minutes in milliseconds)\n 93→ export function MAX_RETRY_DELAY(): number {\n 94→ const val = getEnv(\n 95→ 'LINK_ASSISTANT_AGENT_MAX_RETRY_DELAY',\n 96→ 'AGENT_MAX_RETRY_DELAY'\n 97→ );\n 98→ return val ? parseInt(val, 10) * 1000 : 1200000; // 20 minutes in ms\n 99→ }\n 100→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→import type { GenerateContentResponse } from '@google/genai';\n 8→import { ApiError } from '@google/genai';\n 9→import {\n 10→ TerminalQuotaError,\n 11→ RetryableQuotaError,\n 12→ ValidationRequiredError,\n 13→ classifyGoogleError,\n 14→} from './googleQuotaErrors.js';\n 15→import { delay, createAbortError } from './delay.js';\n 16→import { debugLogger } from './debugLogger.js';\n 17→import { getErrorStatus, ModelNotFoundError } from './httpErrors.js';\n 18→import type { RetryAvailabilityContext } from '../availability/modelPolicy.js';\n 19→\n 20→export type { RetryAvailabilityContext };\n 21→export const DEFAULT_MAX_ATTEMPTS = 3;\n 22→\n 23→export interface RetryOptions {\n 24→ maxAttempts: number;\n 25→ initialDelayMs: number;\n 26→ maxDelayMs: number;\n 27→ shouldRetryOnError: (error: Error, retryFetchErrors?: boolean) => boolean;\n 28→ shouldRetryOnContent?: (content: GenerateContentResponse) => boolean;\n 29→ onPersistent429?: (\n 30→ authType?: string,\n 31→ error?: unknown,\n 32→ ) => Promise<string | boolean | null>;\n 33→ onValidationRequired?: (\n 34→ error: ValidationRequiredError,\n 35→ ) => Promise<'verify' | 'change_auth' | 'cancel'>;\n 36→ authType?: string;\n 37→ retryFetchErrors?: boolean;\n 38→ signal?: AbortSignal;\n 39→ getAvailabilityContext?: () => RetryAvailabilityContext | undefined;\n 40→ onRetry?: (attempt: number, error: unknown, delayMs: number) => void;\n 41→}\n 42→\n 43→const DEFAULT_RETRY_OPTIONS: RetryOptions = {\n 44→ maxAttempts: DEFAULT_MAX_ATTEMPTS,\n 45→ initialDelayMs: 5000,\n 46→ maxDelayMs: 30000, // 30 seconds\n 47→ shouldRetryOnError: isRetryableError,\n 48→};\n 49→\n 50→const RETRYABLE_NETWORK_CODES = [\n 51→ 'ECONNRESET',\n 52→ 'ETIMEDOUT',\n 53→ 'EPIPE',\n 54→ 'ENOTFOUND',\n 55→ 'EAI_AGAIN',\n 56→ 'ECONNREFUSED',\n 57→ // SSL/TLS transient errors\n 58→ 'ERR_SSL_SSLV3_ALERT_BAD_RECORD_MAC',\n 59→ 'ERR_SSL_WRONG_VERSION_NUMBER',\n 60→ 'ERR_SSL_DECRYPTION_FAILED_OR_BAD_RECORD_MAC',\n 61→ 'ERR_SSL_BAD_RECORD_MAC',\n 62→ 'EPROTO', // Generic protocol error (often SSL-related)\n 63→];\n 64→\n 65→function getNetworkErrorCode(error: unknown): string | undefined {\n 66→ const getCode = (obj: unknown): string | undefined => {\n 67→ if (typeof obj !== 'object' || obj === null) {\n 68→ return undefined;\n 69→ }\n 70→ if ('code' in obj && typeof (obj as { code: unknown }).code === 'string') {\n 71→ // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion\n 72→ return (obj as { code: string }).code;\n 73→ }\n 74→ return undefined;\n 75→ };\n 76→\n 77→ const directCode = getCode(error);\n 78→ if (directCode) {\n 79→ return directCode;\n 80→ }\n 81→\n 82→ // Traverse the cause chain to find error codes (SSL errors are often nested)\n 83→ let current: unknown = error;\n 84→ const maxDepth = 5; // Prevent infinite loops in case of circular references\n 85→ for (let depth = 0; depth < maxDepth; depth++) {\n 86→ if (\n 87→ typeof current !== 'object' ||\n 88→ current === null ||\n 89→ !('cause' in current)\n 90→ ) {\n 91→ break;\n 92→ }\n 93→ current = (current as { cause: unknown }).cause;\n 94→ const code = getCode(current);\n 95→ if (code) {\n 96→ return code;\n 97→ }\n 98→ }\n 99→\n 100→ return undefined;\n 101→}\n 102→\n 103→const FETCH_FAILED_MESSAGE = 'fetch failed';\n 104→\n 105→/**\n 106→ * Default predicate function to determine if a retry should be attempted.\n 107→ * Retries on 429 (Too Many Requests) and 5xx server errors.\n 108→ * @param error The error object.\n 109→ * @param retryFetchErrors Whether to retry on specific fetch errors.\n 110→ * @returns True if the error is a transient error, false otherwise.\n 111→ */\n 112→export function isRetryableError(\n 113→ error: Error | unknown,\n 114→ retryFetchErrors?: boolean,\n 115→): boolean {\n 116→ // Check for common network error codes\n 117→ const errorCode = getNetworkErrorCode(error);\n 118→ if (errorCode && RETRYABLE_NETWORK_CODES.includes(errorCode)) {\n 119→ return true;\n 120→ }\n 121→\n 122→ if (retryFetchErrors && error instanceof Error) {\n 123→ // Check for generic fetch failed message (case-insensitive)\n 124→ if (error.message.toLowerCase().includes(FETCH_FAILED_MESSAGE)) {\n 125→ return true;\n 126→ }\n 127→ }\n 128→\n 129→ // Priority check for ApiError\n 130→ if (error instanceof ApiError) {\n 131→ // Explicitly do not retry 400 (Bad Request)\n 132→ if (error.status === 400) return false;\n 133→ return error.status === 429 || (error.status >= 500 && error.status < 600);\n 134→ }\n 135→\n 136→ // Check for status using helper (handles other error shapes)\n 137→ const status = getErrorStatus(error);\n 138→ if (status !== undefined) {\n 139→ return status === 429 || (status >= 500 && status < 600);\n 140→ }\n 141→\n 142→ return false;\n 143→}\n 144→\n 145→/**\n 146→ * Retries a function with exponential backoff and jitter.\n 147→ * @param fn The asynchronous function to retry.\n 148→ * @param options Optional retry configuration.\n 149→ * @returns A promise that resolves with the result of the function if successful.\n 150→ * @throws The last error encountered if all attempts fail.\n 151→ */\n 152→export async function retryWithBackoff<T>(\n 153→ fn: () => Promise<T>,\n 154→ options?: Partial<RetryOptions>,\n 155→): Promise<T> {\n 156→ if (options?.signal?.aborted) {\n 157→ throw createAbortError();\n 158→ }\n 159→\n 160→ if (options?.maxAttempts !== undefined && options.maxAttempts <= 0) {\n 161→ throw new Error('maxAttempts must be a positive number.');\n 162→ }\n 163→\n 164→ const cleanOptions = options\n 165→ ? Object.fromEntries(Object.entries(options).filter(([_, v]) => v != null))\n 166→ : {};\n 167→\n 168→ const {\n 169→ maxAttempts,\n 170→ initialDelayMs,\n 171→ maxDelayMs,\n 172→ onPersistent429,\n 173→ onValidationRequired,\n 174→ authType,\n 175→ shouldRetryOnError,\n 176→ shouldRetryOnContent,\n 177→ retryFetchErrors,\n 178→ signal,\n 179→ getAvailabilityContext,\n 180→ onRetry,\n 181→ } = {\n 182→ ...DEFAULT_RETRY_OPTIONS,\n 183→ shouldRetryOnError: isRetryableError,\n 184→ ...cleanOptions,\n 185→ };\n 186→\n 187→ let attempt = 0;\n 188→ let currentDelay = initialDelayMs;\n 189→\n 190→ while (attempt < maxAttempts) {\n 191→ if (signal?.aborted) {\n 192→ throw createAbortError();\n 193→ }\n 194→ attempt++;\n 195→ try {\n 196→ const result = await fn();\n 197→\n 198→ if (\n 199→ shouldRetryOnContent &&\n 200→ // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion\n 201→ shouldRetryOnContent(result as GenerateContentResponse)\n 202→ ) {\n 203→ const jitter = currentDelay * 0.3 * (Math.random() * 2 - 1);\n 204→ const delayWithJitter = Math.max(0, currentDelay + jitter);\n 205→ if (onRetry) {\n 206→ onRetry(attempt, new Error('Invalid content'), delayWithJitter);\n 207→ }\n 208→ await delay(delayWithJitter, signal);\n 209→ currentDelay = Math.min(maxDelayMs, currentDelay * 2);\n 210→ continue;\n 211→ }\n 212→\n 213→ const successContext = getAvailabilityContext?.();\n 214→ if (successContext) {\n 215→ successContext.service.markHealthy(successContext.policy.model);\n 216→ }\n 217→\n 218→ return result;\n 219→ } catch (error) {\n 220→ if (error instanceof Error && error.name === 'AbortError') {\n 221→ throw error;\n 222→ }\n 223→\n 224→ const classifiedError = classifyGoogleError(error);\n 225→\n 226→ const errorCode = getErrorStatus(error);\n 227→\n 228→ if (\n 229→ classifiedError instanceof TerminalQuotaError ||\n 230→ classifiedError instanceof ModelNotFoundError\n 231→ ) {\n 232→ if (onPersistent429) {\n 233→ try {\n 234→ const fallbackModel = await onPersistent429(\n 235→ authType,\n 236→ classifiedError,\n 237→ );\n 238→ if (fallbackModel) {\n 239→ attempt = 0; // Reset attempts and retry with the new model.\n 240→ currentDelay = initialDelayMs;\n 241→ continue;\n 242→ }\n 243→ } catch (fallbackError) {\n 244→ debugLogger.warn('Fallback to Flash model failed:', fallbackError);\n 245→ }\n 246→ }\n 247→ // Terminal/not_found already recorded; nothing else to mark here.\n 248→ throw classifiedError; // Throw if no fallback or fallback failed.\n 249→ }\n 250→\n 251→ // Handle ValidationRequiredError - user needs to verify before proceeding\n 252→ if (classifiedError instanceof ValidationRequiredError) {\n 253→ if (onValidationRequired) {\n 254→ try {\n 255→ const intent = await onValidationRequired(classifiedError);\n 256→ if (intent === 'verify') {\n 257→ // User verified, retry the request\n 258→ attempt = 0;\n 259→ currentDelay = initialDelayMs;\n 260→ continue;\n 261→ }\n 262→ // 'change_auth' or 'cancel' - mark as handled and throw\n 263→ classifiedError.userHandled = true;\n 264→ } catch (validationError) {\n 265→ debugLogger.warn('Validation handler failed:', validationError);\n 266→ }\n 267→ }\n 268→ throw classifiedError;\n 269→ }\n 270→\n 271→ const is500 =\n 272→ errorCode !== undefined && errorCode >= 500 && errorCode < 600;\n 273→\n 274→ if (classifiedError instanceof RetryableQuotaError || is500) {\n 275→ if (attempt >= maxAttempts) {\n 276→ const errorMessage =\n 277→ classifiedError instanceof Error ? classifiedError.message : '';\n 278→ debugLogger.warn(\n 279→ `Attempt ${attempt} failed${errorMessage ? `: ${errorMessage}` : ''}. Max attempts reached`,\n 280→ );\n 281→ if (onPersistent429) {\n 282→ try {\n 283→ const fallbackModel = await onPersistent429(\n 284→ authType,\n 285→ classifiedError,\n 286→ );\n 287→ if (fallbackModel) {\n 288→ attempt = 0; // Reset attempts and retry with the new model.\n 289→ currentDelay = initialDelayMs;\n 290→ continue;\n 291→ }\n 292→ } catch (fallbackError) {\n 293→ debugLogger.warn('Model fallback failed:', fallbackError);\n 294→ }\n 295→ }\n 296→ throw classifiedError instanceof RetryableQuotaError\n 297→ ? classifiedError\n 298→ : error;\n 299→ }\n 300→\n 301→ if (\n 302→ classifiedError instanceof RetryableQuotaError &&\n 303→ classifiedError.retryDelayMs !== undefined\n 304→ ) {\n 305→ debugLogger.warn(\n 306→ `Attempt ${attempt} failed: ${classifiedError.message}. Retrying after ${classifiedError.retryDelayMs}ms...`,\n 307→ );\n 308→ if (onRetry) {\n 309→ onRetry(attempt, error, classifiedError.retryDelayMs);\n 310→ }\n 311→ await delay(classifiedError.retryDelayMs, signal);\n 312→ continue;\n 313→ } else {\n 314→ const errorStatus = getErrorStatus(error);\n 315→ logRetryAttempt(attempt, error, errorStatus);\n 316→\n 317→ // Exponential backoff with jitter for non-quota errors\n 318→ const jitter = currentDelay * 0.3 * (Math.random() * 2 - 1);\n 319→ const delayWithJitter = Math.max(0, currentDelay + jitter);\n 320→ if (onRetry) {\n 321→ onRetry(attempt, error, delayWithJitter);\n 322→ }\n 323→ await delay(delayWithJitter, signal);\n 324→ currentDelay = Math.min(maxDelayMs, currentDelay * 2);\n 325→ continue;\n 326→ }\n 327→ }\n 328→\n 329→ // Generic retry logic for other errors\n 330→ if (\n 331→ attempt >= maxAttempts ||\n 332→ // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion\n 333→ !shouldRetryOnError(error as Error, retryFetchErrors)\n 334→ ) {\n 335→ throw error;\n 336→ }\n 337→\n 338→ const errorStatus = getErrorStatus(error);\n 339→ logRetryAttempt(attempt, error, errorStatus);\n 340→\n 341→ // Exponential backoff with jitter for non-quota errors\n 342→ const jitter = currentDelay * 0.3 * (Math.random() * 2 - 1);\n 343→ const delayWithJitter = Math.max(0, currentDelay + jitter);\n 344→ if (onRetry) {\n 345→ onRetry(attempt, error, delayWithJitter);\n 346→ }\n 347→ await delay(delayWithJitter, signal);\n 348→ currentDelay = Math.min(maxDelayMs, currentDelay * 2);\n 349→ }\n 350→ }\n 351→\n 352→ throw new Error('Retry attempts exhausted');\n 353→}\n 354→\n 355→/**\n 356→ * Logs a message for a retry attempt when using exponential backoff.\n 357→ * @param attempt The current attempt number.\n 358→ * @param error The error that caused the retry.\n 359→ * @param errorStatus The HTTP status code of the error, if available.\n 360→ */\n 361→function logRetryAttempt(\n 362→ attempt: number,\n 363→ error: unknown,\n 364→ errorStatus?: number,\n 365→): void {\n 366→ let message = `Attempt ${attempt} failed. Retrying with backoff...`;\n 367→ if (errorStatus) {\n 368→ message = `Attempt ${attempt} failed with status ${errorStatus}. Retrying with backoff...`;\n 369→ }\n 370→\n 371→ if (errorStatus === 429) {\n 372→ debugLogger.warn(message, error);\n 373→ } else if (errorStatus && errorStatus >= 500 && errorStatus < 600) {\n 374→ debugLogger.warn(message, error);\n 375→ } else if (error instanceof Error) {\n 376→ // Fallback for errors that might not have a status but have a message\n 377→ if (error.message.includes('429')) {\n 378→ debugLogger.warn(\n 379→ `Attempt ${attempt} failed with 429 error (no Retry-After header). Retrying with backoff...`,\n 380→ error,\n 381→ );\n 382→ } else if (error.message.match(/5\\d{2}/)) {\n 383→ debugLogger.warn(\n 384→ `Attempt ${attempt} failed with 5xx error. 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"content": " 1→# Case Study: Issue #183 - Operation Timed Out While Waiting for Rate Limit Reset\n 2→\n 3→## Summary\n 4→\n 5→The agent fails with `\"The operation timed out.\"` error after exactly 5 minutes, even though the rate limit retry logic correctly detected a long retry-after period (~15.2 hours) and intended to wait. The timeout occurs because **competing abort signals** from the provider's fetch wrapper and/or external process supervisors terminate the operation before the rate limit wait completes.\n 6→\n 7→## Issue Details\n 8→\n 9→- **Issue URL**: https://github.com/link-assistant/agent/issues/183\n 10→- **Reporter**: konard\n 11→- **Date**: 2026-02-15\n 12→- **Agent Version**: 0.13.2\n 13→- **Related Issues**: #167 (retry logic), #142 (timeout retries), #157 (rate limit handling)\n 14→- **Severity**: High -- Agent cannot complete long rate-limited operations\n 15→\n 16→## Timeline of Events\n 17→\n 18→| Timestamp (UTC) | Event | Details |\n 19→|-----------------|-------|---------|\n 20→| 2026-02-15T08:45:53.309Z | Session started | `ripgrep tree` operation |\n 21→| 2026-02-15T08:45:53.346Z | Processor started | `session.processor process` |\n 22→| 2026-02-15T08:45:53.682Z | Rate limit detected | API returned `retry-after: 54847` seconds (~15.24 hours) |\n 23→| 2026-02-15T08:45:53.682Z | Retry scheduled | `delay: 55763274` ms (~15.49 hours with jitter) |\n 24→| 2026-02-15T08:45:53.682Z | Message logged | \"rate limited, will retry\" |\n 25→| 2026-02-15T08:45:53.765Z | Second rate limit | Similar values, parallel request |\n 26→| 2026-02-15T08:50:53.193Z | **ERROR** | \"The operation timed out.\" |\n 27→\n 28→**Key Observation**: The error occurred exactly **299.884 seconds (5.00 minutes)** after the session started, despite the retry logic intending to wait ~15.5 hours.\n 29→\n 30→## Root Cause Analysis\n 31→\n 32→### Primary Cause: Competing Abort Signals\n 33→\n 34→The `retry-fetch.ts` module correctly parses the `retry-after` header and calls `sleep()` to wait. However, this sleep is subject to an **AbortSignal** that can be triggered by:\n 35→\n 36→1. **Provider timeout configuration** (default: 300,000ms = 5 minutes)\n 37→2. **Stream step timeout** (default: 600,000ms = 10 minutes)\n 38→3. **Stream chunk timeout** (default: 120,000ms = 2 minutes)\n 39→4. **External process supervisors** (CI/CD timeouts, etc.)\n 40→\n 41→```typescript\n 42→// In retry-fetch.ts:154-167\n 43→async function sleep(ms: number, signal?: AbortSignal): Promise<void> {\n 44→ return new Promise((resolve, reject) => {\n 45→ const timeout = setTimeout(resolve, ms);\n 46→ if (signal) {\n 47→ signal.addEventListener('abort', () => {\n 48→ clearTimeout(timeout);\n 49→ reject(new DOMException('Aborted', 'AbortError')); // ← This fires!\n 50→ }, { once: true });\n 51→ }\n 52→ });\n 53→}\n 54→```\n 55→\n 56→### Signal Chain\n 57→\n 58→```\n 59→User Request → streamText() → fetch() wrapper → retry-fetch → sleep(15.5 hours)\n 60→ ↓ ↓\n 61→ step timeout (10m) provider timeout (5m) ← Fires first!\n 62→ ↓\n 63→ AbortSignal fires → DOMException: 'TimeoutError'\n 64→ ↓\n 65→ \"The operation timed out.\"\n 66→```\n 67→\n 68→### Why 5 Minutes?\n 69→\n 70→The 5-minute timeout likely comes from:\n 71→\n 72→1. **Provider timeout**: Documentation mentions 300,000ms (5 minutes) as the default\n 73→2. **External supervisor**: The solve process or CI system may have a 5-minute timeout\n 74→\n 75→From `js/src/config/config.ts:853`:\n 76→```typescript\n 77→// Timeout in milliseconds for requests to this provider.\n 78→// Default is 300000 (5 minutes). Set to false to disable timeout.\n 79→```\n 80→\n 81→### Contributing Factors\n 82→\n 83→1. **Rate limit response**: API returned a 15.2-hour retry-after period\n 84→2. **Timeout hierarchy**: Provider/stream timeouts are not suspended during rate limit waits\n 85→3. **Signal propagation**: The retry-fetch sleep shares the same abort signal chain\n 86→4. **No timeout awareness**: The retry logic doesn't disable or extend competing timeouts\n 87→\n 88→## Detailed Log Analysis\n 89→\n 90→### Rate Limit Detection (Correct)\n 91→\n 92→```json\n 93→{\n 94→ \"type\": \"log\",\n 95→ \"timestamp\": \"2026-02-15T08:45:53.682Z\",\n 96→ \"service\": \"retry-fetch\",\n 97→ \"headerValue\": 54847,\n 98→ \"delayMs\": 54847000,\n 99→ \"message\": \"parsed retry-after header (seconds)\"\n 100→}\n 101→```\n 102→\n 103→The retry-fetch correctly parsed the 54,847 second (~15.24 hours) retry-after value.\n 104→\n 105→### Retry Scheduled (Correct)\n 106→\n 107→```json\n 108→{\n 109→ \"type\": \"log\",\n 110→ \"timestamp\": \"2026-02-15T08:45:53.682Z\",\n 111→ \"service\": \"retry-fetch\",\n 112→ \"sessionID\": \"opencode\",\n 113→ \"attempt\": 1,\n 114→ \"delay\": 55763274,\n 115→ \"delayMinutes\": \"929.39\",\n 116→ \"elapsed\": 313,\n 117→ \"remainingTimeout\": 604799687,\n 118→ \"message\": \"rate limited, will retry\"\n 119→}\n 120→```\n 121→\n 122→The calculated delay with jitter was ~929 minutes (~15.49 hours). The `remainingTimeout` of ~604 million ms (~7 days) shows the global `AGENT_RETRY_TIMEOUT` is correctly configured.\n 123→\n 124→### Timeout Error (The Problem)\n 125→\n 126→```json\n 127→{\n 128→ \"type\": \"error\",\n 129→ \"timestamp\": 1771145453193,\n 130→ \"sessionID\": \"ses_39f85b550ffe7GaNPe7osuiGuW\",\n 131→ \"error\": \"The operation timed out.\"\n 132→}\n 133→```\n 134→\n 135→This error occurred exactly 5 minutes after session start, indicating an external timeout terminated the operation.\n 136→\n 137→## Impact Assessment\n 138→\n 139→### Severity: High\n 140→\n 141→- **Long rate limit waits are impossible**: Any retry-after > timeout limit will fail\n 142→- **Lost work**: Setup time (PR creation, branch creation) is wasted\n 143→- **No recovery**: User must manually retry after rate limit expires\n 144→- **Configuration confusion**: Users expect `AGENT_RETRY_TIMEOUT` to govern all waits\n 145→\n 146→### Affected Configurations\n 147→\n 148→The issue affects any scenario where:\n 149→- `retry-after` > provider timeout (default 5 minutes)\n 150→- `retry-after` > stream step timeout (default 10 minutes)\n 151→- `retry-after` > external process supervisor timeout\n 152→\n 153→## Proposed Solutions\n 154→\n 155→### Solution 1: Disable Timeouts During Rate Limit Wait (Recommended)\n 156→\n 157→When the retry-fetch module enters a rate limit wait, it should:\n 158→1. Not inherit the abort signal from the parent request\n 159→2. Create an isolated sleep that only respects the global `AGENT_RETRY_TIMEOUT`\n 160→\n 161→**Implementation**:\n 162→\n 163→```typescript\n 164→// In retry-fetch.ts, modify the sleep call during rate limit handling\n 165→// Don't pass the request's AbortSignal to the sleep function\n 166→// Instead, create a new timeout based on AGENT_RETRY_TIMEOUT\n 167→\n 168→export function create(options: RetryFetchOptions = {}): typeof fetch {\n 169→ // ...\n 170→ return async function retryFetch(input, init) {\n 171→ // ...\n 172→ // Create a dedicated AbortController for rate limit waits\n 173→ const rateLimitAbort = new AbortController();\n 174→ const globalTimeout = setTimeout(() => {\n 175→ rateLimitAbort.abort();\n 176→ }, Flag.RETRY_TIMEOUT() * 1000);\n 177→\n 178→ try {\n 179→ await sleep(delay, rateLimitAbort.signal); // Use isolated signal\n 180→ } finally {\n 181→ clearTimeout(globalTimeout);\n 182→ }\n 183→ // ...\n 184→ };\n 185→}\n 186→```\n 187→\n 188→**Pros**:\n 189→- Allows long rate limit waits up to `AGENT_RETRY_TIMEOUT`\n 190→- Doesn't break existing timeout behavior for normal requests\n 191→- Minimal code changes\n 192→\n 193→**Cons**:\n 194→- Requires careful signal management\n 195→- Need to handle cleanup on process termination\n 196→\n 197→### Solution 2: Extend Provider Timeout During Rate Limit\n 198→\n 199→Dynamically extend the provider timeout when a rate limit is detected:\n 200→\n 201→```typescript\n 202→// When rate limit detected with retry-after > current timeout\n 203→if (retryAfterMs > remainingProviderTimeout) {\n 204→ // Extend the provider timeout to accommodate the wait\n 205→ extendProviderTimeout(retryAfterMs + 30000); // Add 30s buffer\n 206→}\n 207→```\n 208→\n 209→**Pros**:\n 210→- Works within existing timeout architecture\n 211→- Transparent to higher-level code\n 212→\n 213→**Cons**:\n 214→- Complex to implement\n 215→- May affect other timeout-related behavior\n 216→\n 217→### Solution 3: Background Rate Limit Queue\n 218→\n 219→Move rate-limited requests to a background queue that's not subject to request timeouts:\n 220→\n 221→```typescript\n 222→// When rate limit detected with long retry-after\n 223→if (retryAfterMs > 60000) { // More than 1 minute\n 224→ // Queue for background retry\n 225→ await RateLimitQueue.schedule({\n 226→ request: { input, init },\n 227→ retryAt: Date.now() + retryAfterMs,\n 228→ sessionID,\n 229→ });\n 230→ // Return a \"queued\" status to caller\n 231→ return new Response(JSON.stringify({\n 232→ status: 'queued',\n 233→ retryAt: Date.now() + retryAfterMs,\n 234→ }), { status: 202 });\n 235→}\n 236→```\n 237→\n 238→**Pros**:\n 239→- Clean separation of concerns\n 240→- Can handle multiple rate-limited requests efficiently\n 241→- User can be notified and continue other work\n 242→\n 243→**Cons**:\n 244→- Significant architecture change\n 245→- Requires persistent queue storage\n 246→- Complex state management\n 247→\n 248→### Solution 4: Configurable Rate Limit Handling\n 249→\n 250→Add configuration option to specify rate limit handling strategy:\n 251→\n 252→```typescript\n 253→// In config\n 254→provider: {\n 255→ opencode: {\n 256→ options: {\n 257→ timeout: 300000, // Normal request timeout\n 258→ rateLimitTimeout: false, // Disable timeout during rate limit wait\n 259→ // OR: rateLimitTimeout: 86400000, // 24 hour max wait\n 260→ }\n 261→ }\n 262→}\n 263→```\n 264→\n 265→**Pros**:\n 266→- User-configurable behavior\n 267→- Can be tuned per-provider\n 268→\n 269→**Cons**:\n 270→- More configuration complexity\n 271→- Documentation overhead\n 272→\n 273→## Related Issues and External Resources\n 274→\n 275→### Agent Issues\n 276→- [#167](https://github.com/link-assistant/agent/issues/167) - Retry Logic Should Use Global Timeout Instead of Retry Count\n 277→- [#142](https://github.com/link-assistant/agent/issues/142) - Automatic Retry on Timeout Errors\n 278→- [#157](https://github.com/link-assistant/agent/issues/157) - Rate limit handling improvements\n 279→- [#146](https://github.com/link-assistant/agent/issues/146) - Stream timeout configuration\n 280→\n 281→### Vercel AI SDK Issues\n 282→- [vercel/ai#7247](https://github.com/vercel/ai/issues/7247) - SDK does not respect rate limit headers from API providers\n 283→- [vercel/ai#4842](https://github.com/vercel/ai/issues/4842) - Implement Custom Retry Callback for Error-Specific Retries\n 284→\n 285→### Bun Issues\n 286→- [oven-sh/bun#13302](https://github.com/oven-sh/bun/issues/13302) - AbortSignal.timeout and fetch not working when can't reach server\n 287→- [oven-sh/bun#14439](https://github.com/oven-sh/bun/issues/14439) - Known 10-second idle timeout issue\n 288→\n 289→### Documentation\n 290→- [MDN AbortSignal.timeout()](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal/timeout_static)\n 291→- [Vercel AI SDK Timeout Configuration](https://ai-sdk.dev/docs/troubleshooting/timeout-on-vercel)\n 292→- [Vercel AI SDK Rate Limiting](https://ai-sdk.dev/docs/advanced/rate-limiting)\n 293→\n 294→## Existing Libraries for Rate Limit Handling\n 295→\n 296→| Library | Description | Relevance |\n 297→|---------|-------------|-----------|\n 298→| [p-retry](https://www.npmjs.com/package/p-retry) | Promise-based retry with exponential backoff | Could replace custom retry logic |\n 299→| [async-retry](https://www.npmjs.com/package/async-retry) | Async/await retry with configurable delays | Alternative retry implementation |\n 300→| [bottleneck](https://www.npmjs.com/package/bottleneck) | Distributed rate limiter | Could implement Solution 3 |\n 301→| [p-queue](https://www.npmjs.com/package/p-queue) | Promise queue with concurrency control | Could implement Solution 3 |\n 302→| [got](https://www.npmjs.com/package/got) | HTTP client with built-in retry-after support | Reference implementation |\n 303→\n 304→## Configuration Reference\n 305→\n 306→### Current Agent Configuration\n 307→\n 308→| Parameter | Environment Variable | Default | Description |\n 309→|-----------|---------------------|---------|-------------|\n 310→| Retry Timeout | `AGENT_RETRY_TIMEOUT` | 604800 (7 days) | Total time to retry same error type |\n 311→| Max Retry Delay | `AGENT_MAX_RETRY_DELAY` | 1200 (20 min) | Max single retry wait |\n 312→| Min Retry Interval | `AGENT_MIN_RETRY_INTERVAL` | 30 (30 sec) | Min time between retries |\n 313→| Stream Chunk Timeout | `AGENT_STREAM_CHUNK_TIMEOUT_MS` | 120000 (2 min) | Timeout between stream chunks |\n 314→| Stream Step Timeout | `AGENT_STREAM_STEP_TIMEOUT_MS` | 600000 (10 min) | Timeout for each LLM step |\n 315→| Provider Timeout | (config) | 300000 (5 min) | Request timeout per provider |\n 316→\n 317→### Competing Timeout Summary\n 318→\n 319→```\n 320→┌─────────────────────────────────────────────────────────────────┐\n 321→│ Timeout Hierarchy │\n 322→├─────────────────────────────────────────────────────────────────┤\n 323→│ AGENT_RETRY_TIMEOUT (7 days) ← Global, respects retry-after│\n 324→│ │ │\n 325→│ ├── Provider Timeout (5 min) ← Fires during rate limit! │\n 326→│ │ │\n 327→│ ├── Stream Step Timeout (10 min) │\n 328→│ │ │\n 329→│ └── Stream Chunk Timeout (2 min) │\n 330→│ │\n 331→│ Problem: Lower-level timeouts fire before rate limit completes │\n 332→└─────────────────────────────────────────────────────────────────┘\n 333→```\n 334→\n 335→## Recommendations\n 336→\n 337→### Immediate Fix\n 338→\n 339→1. **Disable provider timeout during rate limit waits**: Modify `retry-fetch.ts` to not inherit the request's abort signal during rate limit sleep\n 340→\n 341→### Short-Term\n 342→\n 343→2. **Add rate limit timeout configuration**: Allow users to set `rateLimitTimeout: false` to disable timeouts during rate limit handling\n 344→\n 345→### Long-Term\n 346→\n 347→3. **Implement background rate limit queue**: For very long waits (>1 hour), queue requests and notify user of scheduled retry time\n 348→\n 349→## Conclusion\n 350→\n 351→Issue #183 occurs because the agent's rate limit retry logic correctly detects and respects long `retry-after` periods, but competing timeout signals (primarily the provider timeout at 5 minutes) abort the wait before the rate limit expires. The solution requires isolating rate limit waits from request-level timeouts, either by not inheriting the abort signal or by dynamically extending timeouts when rate limits are detected.\n 352→\n 353→The fundamental conflict is between:\n 354→- **Request timeouts**: Designed to prevent hanging on unresponsive servers\n 355→- **Rate limit waits**: Designed to respect server-mandated delays\n 356→\n 357→These two mechanisms serve different purposes and should not share the same abort signal chain when rate limit handling is active.\n 358→\n 359→## Files Changed\n 360→\n 361→This case study documents the issue but does not include a fix implementation. See the proposed solutions above for implementation guidance.\n 362→\n 363→## Data Files\n 364→\n 365→- [`original-log.txt`](./original-log.txt) - Original issue log data\n 366→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→# Case Study: Issue #167 - Retry Logic Should Use Global Timeout Instead of Retry Count\n 2→\n 3→## Executive Summary\n 4→\n 5→This case study analyzes the failure of `@link-assistant/agent` when hitting rate limits from an AI provider (Moonshot/Kimi K2.5). The core issue is that the retry mechanism failed after only 3 attempts despite a 7-week global retry timeout configuration, because the underlying Vercel AI SDK uses a fixed retry count rather than a time-based retry window.\n 6→\n 7→## Timeline of Events\n 8→\n 9→### 2026-02-13T22:55:40Z - Session Start\n 10→- `solve.mjs` started processing issue `netkeep80/aprover#56`\n 11→- Working on branch `issue-56-01373fc8d0f5`\n 12→- Using model `moonshot/kimi-k2.5-free` via OpenCode API\n 13→\n 14→### 2026-02-13T22:55:54Z - PR Created\n 15→- PR #57 created in draft state\n 16→- Branch pushed successfully\n 17→\n 18→### 2026-02-13T22:56:08Z - API Call Initiated\n 19→- Agent began processing the issue\n 20→- Session ID: `ses_3a6c8003bffenifmLHUebstWIb`\n 21→\n 22→### 2026-02-13T22:56:08Z - First Rate Limit Error (HTTP 429)\n 23→```\n 24→{\n 25→ \"statusCode\": 429,\n 26→ \"responseHeaders\": {\n 27→ \"retry-after\": \"3832\", // ~64 minutes\n 28→ ...\n 29→ },\n 30→ \"responseBody\": \"{\\\"type\\\":\\\"error\\\",\\\"error\\\":{\\\"type\\\":\\\"FreeUsageLimitError\\\",\\\"message\\\":\\\"Rate limit exceeded. Please try again later.\\\"}}\"\n 31→}\n 32→```\n 33→\n 34→### Key Observations from the Error\n 35→\n 36→1. **retry-after header**: 3832 seconds (~64 minutes) - API explicitly told us to wait\n 37→2. **Error type**: `FreeUsageLimitError` - free tier rate limit\n 38→3. **isRetryable**: `true` - API indicates this is a retryable error\n 39→\n 40→### 2026-02-13T22:56:08Z - Agent's Retry Logic Triggered\n 41→\n 42→The agent correctly parsed the retry-after header:\n 43→```\n 44→{\n 45→ \"service\": \"session.retry\",\n 46→ \"headerValue\": 3832,\n 47→ \"delayMs\": 3832000,\n 48→ \"message\": \"parsed retry-after header (seconds)\"\n 49→}\n 50→```\n 51→\n 52→And validated it against the global timeout:\n 53→```\n 54→{\n 55→ \"service\": \"session.retry\",\n 56→ \"retryAfterMs\": 3832000, // ~64 minutes\n 57→ \"maxRetryTimeout\": 604800000, // 7 days\n 58→ \"message\": \"using exact retry-after value\"\n 59→}\n 60→```\n 61→\n 62→### 2026-02-13T22:56:08Z - Retry Scheduled\n 63→```\n 64→{\n 65→ \"service\": \"session.processor\",\n 66→ \"errorType\": \"APIError\",\n 67→ \"attempt\": 1,\n 68→ \"delay\": 3949391, // ~66 minutes with jitter\n 69→ \"elapsedRetryTime\": 0,\n 70→ \"maxRetryTime\": 604800000, // 7 days\n 71→ \"message\": \"retrying\"\n 72→}\n 73→```\n 74→\n 75→### 2026-02-13T22:56:14Z - CRITICAL FAILURE\n 76→\n 77→Despite the agent's retry logic being properly configured, the **Vercel AI SDK** threw an error:\n 78→\n 79→```\n 80→AI_RetryError: Failed after 3 attempts. Last error: Rate limit exceeded. Please try again later.\n 81→ at _retryWithExponentialBackoff (/home/hive/.bun/install/global/node_modules/ai/dist/index.mjs:2498:17)\n 82→```\n 83→\n 84→## Root Cause Analysis\n 85→\n 86→### The Problem\n 87→\n 88→There are **two competing retry mechanisms**:\n 89→\n 90→1. **Agent's Custom Retry Logic** (`session/retry.ts` + `session/processor.ts`)\n 91→ - Time-based: 7-week global timeout (`AGENT_RETRY_TIMEOUT`)\n 92→ - Respects retry-after headers\n 93→ - Uses exponential backoff up to 20 minutes for unknown wait times\n 94→ - **Configuration**: Set `maxRetries: 0` in AI SDK to disable internal retries\n 95→\n 96→2. **Vercel AI SDK's Internal Retry** (`ai/dist/index.mjs`)\n 97→ - Count-based: Default 2 retries (3 total attempts)\n 98→ - Uses exponential backoff, ignoring retry-after headers\n 99→ - **Hardcoded in**: `_retryWithExponentialBackoff` function\n 100→\n 101→### What Went Wrong\n 102→\n 103→The error message \"Failed after 3 attempts\" indicates the failure came from the AI SDK's internal retry mechanism, NOT the agent's custom retry logic. This happened because:\n 104→\n 105→1. The agent sets `maxRetries: 0` in `streamText()` calls (see `session/prompt.ts:678`)\n 106→2. However, the error is occurring at a different layer - possibly during the provider transformation or at the HTTP client level\n 107→3. The AI SDK's internal retry logic kicked in before the agent's processor could intercept the error\n 108→\n 109→### Evidence\n 110→\n 111→From `session/prompt.ts`:\n 112→```typescript\n 113→const result = await processor.process(() =>\n 114→ streamText({\n 115→ // ...\n 116→ maxRetries: 0, // Disabled at streamText level\n 117→ // ...\n 118→ })\n 119→);\n 120→```\n 121→\n 122→From the error stack trace:\n 123→```\n 124→AI_RetryError: Failed after 3 attempts.\n 125→ at _retryWithExponentialBackoff\n 126→```\n 127→\n 128→This shows the AI SDK's `_retryWithExponentialBackoff` is still being invoked somewhere in the call chain despite `maxRetries: 0`.\n 129→\n 130→### Contributing Factors\n 131→\n 132→1. **Provider Architecture**: The error might be occurring at the provider/fetch level rather than the streamText level\n 133→2. **Vercel AI SDK Bug**: Issue [#7247](https://github.com/vercel/ai/issues/7247) documents that the SDK ignores retry-after headers\n 134→3. **Free Tier Limits**: The Kimi K2.5 free tier has strict rate limits (~64 minutes between requests)\n 135→\n 136→## Impact Assessment\n 137→\n 138→### Severity: High\n 139→\n 140→- Failed to complete automated issue resolution\n 141→- Wasted setup time (PR creation, branch creation)\n 142→- No useful progress made despite having valid retry configuration\n 143→\n 144→### Affected Components\n 145→\n 146→1. `@link-assistant/agent` - retry logic bypassed\n 147→2. Vercel AI SDK (`ai@^6.0.1`) - internal retry count too low\n 148→3. OpenCode API - passes through rate limit errors\n 149→\n 150→## Proposed Solutions\n 151→\n 152→### Solution 1: Wrap Provider with Custom Retry Layer (Recommended)\n 153→\n 154→Create a middleware that intercepts all API calls and applies the agent's retry logic before the AI SDK processes them.\n 155→\n 156→**Pros:**\n 157→- Full control over retry behavior\n 158→- Can respect retry-after headers\n 159→- Works with any AI SDK version\n 160→\n 161→**Cons:**\n 162→- Adds complexity\n 163→- Need to maintain wrapper code\n 164→\n 165→### Solution 2: Upgrade Vercel AI SDK\n 166→\n 167→Check if newer versions (6.0.80+) have better retry-after header support as per [PR #7246](https://github.com/vercel/ai/pull/7246).\n 168→\n 169→**Pros:**\n 170→- Less custom code\n 171→- Benefits from upstream improvements\n 172→\n 173→**Cons:**\n 174→- May still not provide time-based global timeout\n 175→- Breaking changes possible\n 176→\n 177→### Solution 3: Configure Minimum Retry Interval\n 178→\n 179→Add configuration for minimum retry interval (30 seconds) and ensure the retry-after value is respected:\n 180→\n 181→```typescript\n 182→// In flag.ts\n 183→export function MIN_RETRY_INTERVAL(): number {\n 184→ const val = getEnv('LINK_ASSISTANT_AGENT_MIN_RETRY_INTERVAL', 'AGENT_MIN_RETRY_INTERVAL');\n 185→ return val ? parseInt(val, 10) * 1000 : 30000; // 30 seconds default\n 186→}\n 187→```\n 188→\n 189→### Solution 4: Report Upstream Issues\n 190→\n 191→1. **Vercel AI SDK**: Request better retry configuration options\n 192→2. **OpenCode/Moonshot**: Request longer free tier limits or better rate limit communication\n 193→\n 194→## Recommended Next Steps\n 195→\n 196→1. **Immediate Fix**: Wrap the AI SDK provider with custom fetch that implements the agent's retry logic\n 197→2. **Short Term**: Upgrade AI SDK to latest version and re-test\n 198→3. **Long Term**: Contribute to AI SDK with better retry customization options\n 199→\n 200→## Related Issues and PRs\n 201→\n 202→- [link-assistant/agent#157](https://github.com/link-assistant/agent/issues/157) - Previous retry timeout work\n 203→- [link-assistant/agent#142](https://github.com/link-assistant/agent/issues/142) - Timeout retry configuration\n 204→- [vercel/ai#7247](https://github.com/vercel/ai/issues/7247) - Rate limit header support\n 205→- [vercel/ai#4842](https://github.com/vercel/ai/issues/4842) - Custom retry callback request\n 206→- [vercel/ai#7246](https://github.com/vercel/ai/pull/7246) - Fix for retry-after header support\n 207→\n 208→## Appendix: Configuration Reference\n 209→\n 210→### Current Agent Retry Configuration\n 211→\n 212→| Parameter | Environment Variable | Default | Description |\n 213→|-----------|---------------------|---------|-------------|\n 214→| Retry Timeout | `AGENT_RETRY_TIMEOUT` | 604800 (7 days) | Total time to retry |\n 215→| Max Retry Delay | `AGENT_MAX_RETRY_DELAY` | 1200 (20 min) | Max single retry wait |\n 216→| Initial Delay | Hardcoded | 2000 ms | First retry delay |\n 217→| Backoff Factor | Hardcoded | 2 | Exponential growth rate |\n 218→\n 219→### AI SDK Default Retry Configuration\n 220→\n 221→| Parameter | Default | Description |\n 222→|-----------|---------|-------------|\n 223→| maxRetries | 2 | Number of retry attempts |\n 224→| Backoff | Exponential | Increases delay each retry |\n 225→| retry-after | Ignored | Does not respect header |\n 226→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→/**\n 8→ * Rate limiter to prevent excessive telemetry recording\n 9→ * Ensures we don't send metrics more frequently than specified limits\n 10→ */\n 11→export class RateLimiter {\n 12→ private lastRecordTimes: Map<string, number> = new Map();\n 13→ private readonly minIntervalMs: number;\n 14→ private static readonly HIGH_PRIORITY_DIVISOR = 2;\n 15→\n 16→ constructor(minIntervalMs: number = 60000) {\n 17→ if (minIntervalMs < 0) {\n 18→ throw new Error('minIntervalMs must be non-negative.');\n 19→ }\n 20→ this.minIntervalMs = minIntervalMs;\n 21→ }\n 22→\n 23→ /**\n 24→ * Check if we should record a metric based on rate limiting\n 25→ * @param metricKey - Unique key for the metric type/context\n 26→ * @param isHighPriority - If true, uses shorter interval for critical events\n 27→ * @returns true if metric should be recorded\n 28→ */\n 29→ shouldRecord(metricKey: string, isHighPriority: boolean = false): boolean {\n 30→ const now = Date.now();\n 31→ const lastRecordTime = this.lastRecordTimes.get(metricKey) || 0;\n 32→\n 33→ // Use shorter interval for high priority events (e.g., memory leaks)\n 34→ const interval = isHighPriority\n 35→ ? Math.round(this.minIntervalMs / RateLimiter.HIGH_PRIORITY_DIVISOR)\n 36→ : this.minIntervalMs;\n 37→\n 38→ if (now - lastRecordTime >= interval) {\n 39→ this.lastRecordTimes.set(metricKey, now);\n 40→ return true;\n 41→ }\n 42→\n 43→ return false;\n 44→ }\n 45→\n 46→ /**\n 47→ * Force record a metric (bypasses rate limiting)\n 48→ * Use sparingly for critical events\n 49→ */\n 50→ forceRecord(metricKey: string): void {\n 51→ this.lastRecordTimes.set(metricKey, Date.now());\n 52→ }\n 53→\n 54→ /**\n 55→ * Get time until next allowed recording for a metric\n 56→ */\n 57→ getTimeUntilNextAllowed(\n 58→ metricKey: string,\n 59→ isHighPriority: boolean = false,\n 60→ ): number {\n 61→ const now = Date.now();\n 62→ const lastRecordTime = this.lastRecordTimes.get(metricKey) || 0;\n 63→ const interval = isHighPriority\n 64→ ? Math.round(this.minIntervalMs / RateLimiter.HIGH_PRIORITY_DIVISOR)\n 65→ : this.minIntervalMs;\n 66→ const nextAllowedTime = lastRecordTime + interval;\n 67→\n 68→ return Math.max(0, nextAllowedTime - now);\n 69→ }\n 70→\n 71→ /**\n 72→ * Get statistics about rate limiting\n 73→ */\n 74→ getStats(): {\n 75→ totalMetrics: number;\n 76→ oldestRecord: number;\n 77→ newestRecord: number;\n 78→ averageInterval: number;\n 79→ } {\n 80→ const recordTimes = Array.from(this.lastRecordTimes.values());\n 81→\n 82→ if (recordTimes.length === 0) {\n 83→ return {\n 84→ totalMetrics: 0,\n 85→ oldestRecord: 0,\n 86→ newestRecord: 0,\n 87→ averageInterval: 0,\n 88→ };\n 89→ }\n 90→\n 91→ const oldest = Math.min(...recordTimes);\n 92→ const newest = Math.max(...recordTimes);\n 93→ const totalSpan = newest - oldest;\n 94→ const averageInterval =\n 95→ recordTimes.length > 1 ? totalSpan / (recordTimes.length - 1) : 0;\n 96→\n 97→ return {\n 98→ totalMetrics: recordTimes.length,\n 99→ oldestRecord: oldest,\n 100→ newestRecord: newest,\n 101→ averageInterval,\n 102→ };\n 103→ }\n 104→\n 105→ /**\n 106→ * Clear all rate limiting state\n 107→ */\n 108→ reset(): void {\n 109→ this.lastRecordTimes.clear();\n 110→ }\n 111→\n 112→ /**\n 113→ * Remove old entries to prevent memory leaks\n 114→ */\n 115→ cleanup(maxAgeMs: number = 3600000): void {\n 116→ const cutoffTime = Date.now() - maxAgeMs;\n 117→\n 118→ for (const [key, time] of this.lastRecordTimes.entries()) {\n 119→ if (time < cutoffTime) {\n 120→ this.lastRecordTimes.delete(key);\n 121→ }\n 122→ }\n 123→ }\n 124→}\n 125→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→/* eslint-disable @typescript-eslint/no-explicit-any */\n 8→import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';\n 9→import { ApiError } from '@google/genai';\n 10→import { AuthType } from '../core/contentGenerator.js';\n 11→import { type HttpError, ModelNotFoundError } from './httpErrors.js';\n 12→import { retryWithBackoff } from './retry.js';\n 13→import { setSimulate429 } from './testUtils.js';\n 14→import { debugLogger } from './debugLogger.js';\n 15→import {\n 16→ TerminalQuotaError,\n 17→ RetryableQuotaError,\n 18→} from './googleQuotaErrors.js';\n 19→import { PREVIEW_GEMINI_MODEL } from '../config/models.js';\n 20→import type { ModelPolicy } from '../availability/modelPolicy.js';\n 21→import { createAvailabilityServiceMock } from '../availability/testUtils.js';\n 22→import type { ModelAvailabilityService } from '../availability/modelAvailabilityService.js';\n 23→\n 24→// Helper to create a mock function that fails a certain number of times\n 25→const createFailingFunction = (\n 26→ failures: number,\n 27→ successValue: string = 'success',\n 28→) => {\n 29→ let attempts = 0;\n 30→ return vi.fn(async () => {\n 31→ attempts++;\n 32→ if (attempts <= failures) {\n 33→ // Simulate a retryable error\n 34→ const error: HttpError = new Error(`Simulated error attempt ${attempts}`);\n 35→ error.status = 500; // Simulate a server error\n 36→ throw error;\n 37→ }\n 38→ return successValue;\n 39→ });\n 40→};\n 41→\n 42→// Custom error for testing non-retryable conditions\n 43→class NonRetryableError extends Error {\n 44→ constructor(message: string) {\n 45→ super(message);\n 46→ this.name = 'NonRetryableError';\n 47→ }\n 48→}\n 49→\n 50→describe('retryWithBackoff', () => {\n 51→ beforeEach(() => {\n 52→ vi.useFakeTimers();\n 53→ // Disable 429 simulation for tests\n 54→ setSimulate429(false);\n 55→ // Suppress unhandled promise rejection warnings for tests that expect errors\n 56→ debugLogger.warn = vi.fn();\n 57→ });\n 58→\n 59→ afterEach(() => {\n 60→ vi.restoreAllMocks();\n 61→ vi.useRealTimers();\n 62→ });\n 63→\n 64→ it('should return the result on the first attempt if successful', async () => {\n 65→ const mockFn = createFailingFunction(0);\n 66→ const result = await retryWithBackoff(mockFn);\n 67→ expect(result).toBe('success');\n 68→ expect(mockFn).toHaveBeenCalledTimes(1);\n 69→ });\n 70→\n 71→ it('should retry and succeed if failures are within maxAttempts', async () => {\n 72→ const mockFn = createFailingFunction(2);\n 73→ const promise = retryWithBackoff(mockFn, {\n 74→ maxAttempts: 3,\n 75→ initialDelayMs: 10,\n 76→ });\n 77→\n 78→ await vi.runAllTimersAsync(); // Ensure all delays and retries complete\n 79→\n 80→ const result = await promise;\n 81→ expect(result).toBe('success');\n 82→ expect(mockFn).toHaveBeenCalledTimes(3);\n 83→ });\n 84→\n 85→ it('should throw an error if all attempts fail', async () => {\n 86→ const mockFn = createFailingFunction(3);\n 87→\n 88→ // 1. Start the retryable operation, which returns a promise.\n 89→ const promise = retryWithBackoff(mockFn, {\n 90→ maxAttempts: 3,\n 91→ initialDelayMs: 10,\n 92→ });\n 93→\n 94→ // 2. Run timers and await expectation in parallel.\n 95→ await Promise.all([\n 96→ expect(promise).rejects.toThrow('Simulated error attempt 3'),\n 97→ vi.runAllTimersAsync(),\n 98→ ]);\n 99→\n 100→ // 3. Finally, assert the number of calls.\n 101→ expect(mockFn).toHaveBeenCalledTimes(3);\n 102→ });\n 103→\n 104→ it('should default to 3 maxAttempts if no options are provided', async () => {\n 105→ // This function will fail more than 3 times to ensure all retries are used.\n 106→ const mockFn = createFailingFunction(5);\n 107→\n 108→ const promise = retryWithBackoff(mockFn);\n 109→\n 110→ await Promise.all([\n 111→ expect(promise).rejects.toThrow('Simulated error attempt 3'),\n 112→ vi.runAllTimersAsync(),\n 113→ ]);\n 114→\n 115→ expect(mockFn).toHaveBeenCalledTimes(3);\n 116→ });\n 117→\n 118→ it('should default to 3 maxAttempts if options.maxAttempts is undefined', async () => {\n 119→ // This function will fail more than 3 times to ensure all retries are used.\n 120→ const mockFn = createFailingFunction(5);\n 121→\n 122→ const promise = retryWithBackoff(mockFn, { maxAttempts: undefined });\n 123→\n 124→ // Expect it to fail with the error from the 3rd attempt.\n 125→ await Promise.all([\n 126→ expect(promise).rejects.toThrow('Simulated error attempt 3'),\n 127→ vi.runAllTimersAsync(),\n 128→ ]);\n 129→\n 130→ expect(mockFn).toHaveBeenCalledTimes(3);\n 131→ });\n 132→\n 133→ it('should not retry if shouldRetry returns false', async () => {\n 134→ const mockFn = vi.fn(async () => {\n 135→ throw new NonRetryableError('Non-retryable error');\n 136→ });\n 137→ const shouldRetryOnError = (error: Error) =>\n 138→ !(error instanceof NonRetryableError);\n 139→\n 140→ const promise = retryWithBackoff(mockFn, {\n 141→ shouldRetryOnError,\n 142→ initialDelayMs: 10,\n 143→ });\n 144→\n 145→ await expect(promise).rejects.toThrow('Non-retryable error');\n 146→ expect(mockFn).toHaveBeenCalledTimes(1);\n 147→ });\n 148→\n 149→ it('should throw an error if maxAttempts is not a positive number', async () => {\n 150→ const mockFn = createFailingFunction(1);\n 151→\n 152→ // Test with 0\n 153→ await expect(retryWithBackoff(mockFn, { maxAttempts: 0 })).rejects.toThrow(\n 154→ 'maxAttempts must be a positive number.',\n 155→ );\n 156→\n 157→ // The function should not be called at all if validation fails\n 158→ expect(mockFn).not.toHaveBeenCalled();\n 159→ });\n 160→\n 161→ it('should use default shouldRetry if not provided, retrying on ApiError 429', async () => {\n 162→ const mockFn = vi.fn(async () => {\n 163→ throw new ApiError({ message: 'Too Many Requests', status: 429 });\n 164→ });\n 165→\n 166→ const promise = retryWithBackoff(mockFn, {\n 167→ maxAttempts: 2,\n 168→ initialDelayMs: 10,\n 169→ });\n 170→\n 171→ await Promise.all([\n 172→ expect(promise).rejects.toThrow('Too Many Requests'),\n 173→ vi.runAllTimersAsync(),\n 174→ ]);\n 175→\n 176→ expect(mockFn).toHaveBeenCalledTimes(2);\n 177→ });\n 178→\n 179→ it('should use default shouldRetry if not provided, not retrying on ApiError 400', async () => {\n 180→ const mockFn = vi.fn(async () => {\n 181→ throw new ApiError({ message: 'Bad Request', status: 400 });\n 182→ });\n 183→\n 184→ const promise = retryWithBackoff(mockFn, {\n 185→ maxAttempts: 2,\n 186→ initialDelayMs: 10,\n 187→ });\n 188→ await expect(promise).rejects.toThrow('Bad Request');\n 189→ expect(mockFn).toHaveBeenCalledTimes(1);\n 190→ });\n 191→\n 192→ it('should use default shouldRetry if not provided, retrying on generic error with status 429', async () => {\n 193→ const mockFn = vi.fn(async () => {\n 194→ const error = new Error('Too Many Requests') as any;\n 195→ error.status = 429;\n 196→ throw error;\n 197→ });\n 198→\n 199→ const promise = retryWithBackoff(mockFn, {\n 200→ maxAttempts: 2,\n 201→ initialDelayMs: 10,\n 202→ });\n 203→\n 204→ // Run timers and await expectation in parallel.\n 205→ await Promise.all([\n 206→ expect(promise).rejects.toThrow('Too Many Requests'),\n 207→ vi.runAllTimersAsync(),\n 208→ ]);\n 209→\n 210→ expect(mockFn).toHaveBeenCalledTimes(2);\n 211→ });\n 212→\n 213→ it('should use default shouldRetry if not provided, not retrying on generic error with status 400', async () => {\n 214→ const mockFn = vi.fn(async () => {\n 215→ const error = new Error('Bad Request') as any;\n 216→ error.status = 400;\n 217→ throw error;\n 218→ });\n 219→\n 220→ const promise = retryWithBackoff(mockFn, {\n 221→ maxAttempts: 2,\n 222→ initialDelayMs: 10,\n 223→ });\n 224→ await expect(promise).rejects.toThrow('Bad Request');\n 225→ expect(mockFn).toHaveBeenCalledTimes(1);\n 226→ });\n 227→\n 228→ it('should respect maxDelayMs', async () => {\n 229→ const mockFn = createFailingFunction(3);\n 230→ const setTimeoutSpy = vi.spyOn(global, 'setTimeout');\n 231→\n 232→ const promise = retryWithBackoff(mockFn, {\n 233→ maxAttempts: 4,\n 234→ initialDelayMs: 100,\n 235→ maxDelayMs: 250, // Max delay is less than 100 * 2 * 2 = 400\n 236→ });\n 237→\n 238→ await vi.advanceTimersByTimeAsync(1000); // Advance well past all delays\n 239→ await promise;\n 240→\n 241→ const delays = setTimeoutSpy.mock.calls.map((call) => call[1] as number);\n 242→\n 243→ // Delays should be around initial, initial*2, maxDelay (due to cap)\n 244→ // Jitter makes exact assertion hard, so we check ranges / caps\n 245→ expect(delays.length).toBe(3);\n 246→ expect(delays[0]).toBeGreaterThanOrEqual(100 * 0.7);\n 247→ expect(delays[0]).toBeLessThanOrEqual(100 * 1.3);\n 248→ expect(delays[1]).toBeGreaterThanOrEqual(200 * 0.7);\n 249→ expect(delays[1]).toBeLessThanOrEqual(200 * 1.3);\n 250→ // The third delay should be capped by maxDelayMs (250ms), accounting for jitter\n 251→ expect(delays[2]).toBeGreaterThanOrEqual(250 * 0.7);\n 252→ expect(delays[2]).toBeLessThanOrEqual(250 * 1.3);\n 253→ });\n 254→\n 255→ it('should handle jitter correctly, ensuring varied delays', async () => {\n 256→ let mockFn = createFailingFunction(5);\n 257→ const setTimeoutSpy = vi.spyOn(global, 'setTimeout');\n 258→\n 259→ // Run retryWithBackoff multiple times to observe jitter\n 260→ const runRetry = () =>\n 261→ retryWithBackoff(mockFn, {\n 262→ maxAttempts: 2, // Only one retry, so one delay\n 263→ initialDelayMs: 100,\n 264→ maxDelayMs: 1000,\n 265→ });\n 266→\n 267→ // We expect rejections as mockFn fails 5 times\n 268→ const promise1 = runRetry();\n 269→ // Run timers and await expectation in parallel.\n 270→ await Promise.all([\n 271→ expect(promise1).rejects.toThrow(),\n 272→ vi.runAllTimersAsync(),\n 273→ ]);\n 274→\n 275→ const firstDelaySet = setTimeoutSpy.mock.calls.map(\n 276→ (call) => call[1] as number,\n 277→ );\n 278→ setTimeoutSpy.mockClear(); // Clear calls for the next run\n 279→\n 280→ // Reset mockFn to reset its internal attempt counter for the next run\n 281→ mockFn = createFailingFunction(5); // Re-initialize with 5 failures\n 282→\n 283→ const promise2 = runRetry();\n 284→ // Run timers and await expectation in parallel.\n 285→ await Promise.all([\n 286→ expect(promise2).rejects.toThrow(),\n 287→ vi.runAllTimersAsync(),\n 288→ ]);\n 289→\n 290→ const secondDelaySet = setTimeoutSpy.mock.calls.map(\n 291→ (call) => call[1] as number,\n 292→ );\n 293→\n 294→ // Check that the delays are not exactly the same due to jitter\n 295→ // This is a probabilistic test, but with +/-30% jitter, it's highly likely they differ.\n 296→ if (firstDelaySet.length > 0 && secondDelaySet.length > 0) {\n 297→ // Check the first delay of each set\n 298→ expect(firstDelaySet[0]).not.toBe(secondDelaySet[0]);\n 299→ } else {\n 300→ // If somehow no delays were captured (e.g. test setup issue), fail explicitly\n 301→ throw new Error('Delays were not captured for jitter test');\n 302→ }\n 303→\n 304→ // Ensure delays are within the expected jitter range [70, 130] for initialDelayMs = 100\n 305→ [...firstDelaySet, ...secondDelaySet].forEach((d) => {\n 306→ expect(d).toBeGreaterThanOrEqual(100 * 0.7);\n 307→ expect(d).toBeLessThanOrEqual(100 * 1.3);\n 308→ });\n 309→ });\n 310→\n 311→ describe('Fetch error retries', () => {\n 312→ it(\"should retry on 'fetch failed' when retryFetchErrors is true\", async () => {\n 313→ const mockFn = vi.fn();\n 314→ mockFn.mockRejectedValueOnce(new TypeError('fetch failed'));\n 315→ mockFn.mockResolvedValueOnce('success');\n 316→\n 317→ const promise = retryWithBackoff(mockFn, {\n 318→ retryFetchErrors: true,\n 319→ initialDelayMs: 10,\n 320→ });\n 321→\n 322→ await vi.runAllTimersAsync();\n 323→\n 324→ const result = await promise;\n 325→ expect(result).toBe('success');\n 326→ expect(mockFn).toHaveBeenCalledTimes(2);\n 327→ });\n 328→\n 329→ it('should retry on common network error codes (ECONNRESET)', async () => {\n 330→ const mockFn = vi.fn();\n 331→ const error = new Error('read ECONNRESET');\n 332→ (error as any).code = 'ECONNRESET';\n 333→ mockFn.mockRejectedValueOnce(error);\n 334→ mockFn.mockResolvedValueOnce('success');\n 335→\n 336→ const promise = retryWithBackoff(mockFn, {\n 337→ retryFetchErrors: true,\n 338→ initialDelayMs: 10,\n 339→ });\n 340→\n 341→ await vi.runAllTimersAsync();\n 342→\n 343→ const result = await promise;\n 344→ expect(result).toBe('success');\n 345→ expect(mockFn).toHaveBeenCalledTimes(2);\n 346→ });\n 347→\n 348→ it('should retry on common network error codes in cause (ETIMEDOUT)', async () => {\n 349→ const mockFn = vi.fn();\n 350→ const cause = new Error('Connect Timeout');\n 351→ (cause as any).code = 'ETIMEDOUT';\n 352→ const error = new Error('fetch failed');\n 353→ (error as any).cause = cause;\n 354→\n 355→ mockFn.mockRejectedValueOnce(error);\n 356→ mockFn.mockResolvedValueOnce('success');\n 357→\n 358→ const promise = retryWithBackoff(mockFn, {\n 359→ retryFetchErrors: true,\n 360→ initialDelayMs: 10,\n 361→ });\n 362→\n 363→ await vi.runAllTimersAsync();\n 364→\n 365→ const result = await promise;\n 366→ expect(result).toBe('success');\n 367→ expect(mockFn).toHaveBeenCalledTimes(2);\n 368→ });\n 369→\n 370→ it(\"should retry on 'fetch failed' when retryFetchErrors is true (short delays)\", async () => {\n 371→ const mockFn = vi\n 372→ .fn()\n 373→ .mockRejectedValueOnce(new TypeError('fetch failed'))\n 374→ .mockResolvedValue('success');\n 375→\n 376→ const promise = retryWithBackoff(mockFn, {\n 377→ retryFetchErrors: true,\n 378→ initialDelayMs: 1,\n 379→ maxDelayMs: 1,\n 380→ });\n 381→ await vi.runAllTimersAsync();\n 382→ await expect(promise).resolves.toBe('success');\n 383→ });\n 384→\n 385→ it(\"should not retry on 'fetch failed' when retryFetchErrors is false\", async () => {\n 386→ const mockFn = vi.fn().mockRejectedValue(new TypeError('fetch failed'));\n 387→ const promise = retryWithBackoff(mockFn, {\n 388→ retryFetchErrors: false,\n 389→ initialDelayMs: 1,\n 390→ maxDelayMs: 1,\n 391→ });\n 392→ await expect(promise).rejects.toThrow('fetch failed');\n 393→ expect(mockFn).toHaveBeenCalledTimes(1);\n 394→ });\n 395→\n 396→ it('should retry on network error code (ETIMEDOUT) even when retryFetchErrors is false', async () => {\n 397→ const error = new Error('connect ETIMEDOUT');\n 398→ (error as any).code = 'ETIMEDOUT';\n 399→ const mockFn = vi\n 400→ .fn()\n 401→ .mockRejectedValueOnce(error)\n 402→ .mockResolvedValue('success');\n 403→\n 404→ const promise = retryWithBackoff(mockFn, {\n 405→ retryFetchErrors: false,\n 406→ initialDelayMs: 1,\n 407→ maxDelayMs: 1,\n 408→ });\n 409→ await vi.runAllTimersAsync();\n 410→ await expect(promise).resolves.toBe('success');\n 411→ });\n 412→\n 413→ it('should retry on SSL error code (ERR_SSL_SSLV3_ALERT_BAD_RECORD_MAC)', async () => {\n 414→ const error = new Error('SSL error');\n 415→ (error as any).code = 'ERR_SSL_SSLV3_ALERT_BAD_RECORD_MAC';\n 416→ const mockFn = vi\n 417→ .fn()\n 418→ .mockRejectedValueOnce(error)\n 419→ .mockResolvedValue('success');\n 420→\n 421→ const promise = retryWithBackoff(mockFn, {\n 422→ initialDelayMs: 1,\n 423→ maxDelayMs: 1,\n 424→ });\n 425→ await vi.runAllTimersAsync();\n 426→ await expect(promise).resolves.toBe('success');\n 427→ expect(mockFn).toHaveBeenCalledTimes(2);\n 428→ });\n 429→\n 430→ it('should retry on SSL error code in deeply nested cause chain', async () => {\n 431→ const deepCause = new Error('OpenSSL error');\n 432→ (deepCause as any).code = 'ERR_SSL_BAD_RECORD_MAC';\n 433→\n 434→ const middleCause = new Error('TLS handshake failed');\n 435→ (middleCause as any).cause = deepCause;\n 436→\n 437→ const outerError = new Error('fetch failed');\n 438→ (outerError as any).cause = middleCause;\n 439→\n 440→ const mockFn = vi\n 441→ .fn()\n 442→ .mockRejectedValueOnce(outerError)\n 443→ .mockResolvedValue('success');\n 444→\n 445→ const promise = retryWithBackoff(mockFn, {\n 446→ initialDelayMs: 1,\n 447→ maxDelayMs: 1,\n 448→ });\n 449→ await vi.runAllTimersAsync();\n 450→ await expect(promise).resolves.toBe('success');\n 451→ expect(mockFn).toHaveBeenCalledTimes(2);\n 452→ });\n 453→\n 454→ it('should retry on EPROTO error (generic protocol/SSL error)', async () => {\n 455→ const error = new Error('Protocol error');\n 456→ (error as any).code = 'EPROTO';\n 457→ const mockFn = vi\n 458→ .fn()\n 459→ .mockRejectedValueOnce(error)\n 460→ .mockResolvedValue('success');\n 461→\n 462→ const promise = retryWithBackoff(mockFn, {\n 463→ initialDelayMs: 1,\n 464→ maxDelayMs: 1,\n 465→ });\n 466→ await vi.runAllTimersAsync();\n 467→ await expect(promise).resolves.toBe('success');\n 468→ expect(mockFn).toHaveBeenCalledTimes(2);\n 469→ });\n 470→\n 471→ it('should retry on gaxios-style SSL error with code property', async () => {\n 472→ // This matches the exact structure from issue #17318\n 473→ const error = new Error(\n 474→ 'request to https://cloudcode-pa.googleapis.com/v1internal:streamGenerateContent failed',\n 475→ );\n 476→ (error as any).type = 'system';\n 477→ (error as any).errno = 'ERR_SSL_SSLV3_ALERT_BAD_RECORD_MAC';\n 478→ (error as any).code = 'ERR_SSL_SSLV3_ALERT_BAD_RECORD_MAC';\n 479→\n 480→ const mockFn = vi\n 481→ .fn()\n 482→ .mockRejectedValueOnce(error)\n 483→ .mockResolvedValue('success');\n 484→\n 485→ const promise = retryWithBackoff(mockFn, {\n 486→ initialDelayMs: 1,\n 487→ maxDelayMs: 1,\n 488→ });\n 489→ await vi.runAllTimersAsync();\n 490→ await expect(promise).resolves.toBe('success');\n 491→ expect(mockFn).toHaveBeenCalledTimes(2);\n 492→ });\n 493→ });\n 494→\n 495→ describe('Flash model fallback for OAuth users', () => {\n 496→ it('should trigger fallback for OAuth personal users on TerminalQuotaError', async () => {\n 497→ const fallbackCallback = vi.fn().mockResolvedValue('gemini-2.5-flash');\n 498→\n 499→ let fallbackOccurred = false;\n 500→ const mockFn = vi.fn().mockImplementation(async () => {\n 501→ if (!fallbackOccurred) {\n 502→ throw new TerminalQuotaError('Daily limit reached', {} as any);\n 503→ }\n 504→ return 'success';\n 505→ });\n 506→\n 507→ const promise = retryWithBackoff(mockFn, {\n 508→ maxAttempts: 3,\n 509→ initialDelayMs: 100,\n 510→ onPersistent429: async (authType?: string, error?: unknown) => {\n 511→ fallbackOccurred = true;\n 512→ return await fallbackCallback(authType, error);\n 513→ },\n 514→ authType: 'oauth-personal',\n 515→ });\n 516→\n 517→ await vi.runAllTimersAsync();\n 518→\n 519→ await expect(promise).resolves.toBe('success');\n 520→ expect(fallbackCallback).toHaveBeenCalledWith(\n 521→ 'oauth-personal',\n 522→ expect.any(TerminalQuotaError),\n 523→ );\n 524→ expect(mockFn).toHaveBeenCalledTimes(2);\n 525→ });\n 526→\n 527→ it('should use retryDelayMs from RetryableQuotaError', async () => {\n 528→ const setTimeoutSpy = vi.spyOn(global, 'setTimeout');\n 529→ const mockFn = vi.fn().mockImplementation(async () => {\n 530→ throw new RetryableQuotaError('Per-minute limit', {} as any, 12.345);\n 531→ });\n 532→\n 533→ const promise = retryWithBackoff(mockFn, {\n 534→ maxAttempts: 2,\n 535→ initialDelayMs: 100,\n 536→ });\n 537→\n 538→ // Attach the rejection expectation *before* running timers\n 539→ // eslint-disable-next-line vitest/valid-expect\n 540→ const assertionPromise = expect(promise).rejects.toThrow();\n 541→ await vi.runAllTimersAsync();\n 542→ await assertionPromise;\n 543→\n 544→ expect(setTimeoutSpy).toHaveBeenCalledWith(expect.any(Function), 12345);\n 545→ });\n 546→\n 547→ it.each([[AuthType.USE_GEMINI], [AuthType.USE_VERTEX_AI], [undefined]])(\n 548→ 'should invoke onPersistent429 callback (delegating decision) for non-Google auth users (authType: %s) on TerminalQuotaError',\n 549→ async (authType) => {\n 550→ const fallbackCallback = vi.fn();\n 551→ const mockFn = vi.fn().mockImplementation(async () => {\n 552→ throw new TerminalQuotaError('Daily limit reached', {} as any);\n 553→ });\n 554→\n 555→ const promise = retryWithBackoff(mockFn, {\n 556→ maxAttempts: 3,\n 557→ onPersistent429: fallbackCallback,\n 558→ authType,\n 559→ });\n 560→\n 561→ await expect(promise).rejects.toThrow('Daily limit reached');\n 562→ expect(fallbackCallback).toHaveBeenCalled();\n 563→ expect(mockFn).toHaveBeenCalledTimes(1);\n 564→ },\n 565→ );\n 566→ });\n 567→ it('should abort the retry loop when the signal is aborted', async () => {\n 568→ const abortController = new AbortController();\n 569→ const mockFn = vi.fn().mockImplementation(async () => {\n 570→ const error: HttpError = new Error('Server error');\n 571→ error.status = 500;\n 572→ throw error;\n 573→ });\n 574→\n 575→ const promise = retryWithBackoff(mockFn, {\n 576→ maxAttempts: 5,\n 577→ initialDelayMs: 100,\n 578→ signal: abortController.signal,\n 579→ });\n 580→ await vi.advanceTimersByTimeAsync(50);\n 581→ abortController.abort();\n 582→\n 583→ await expect(promise).rejects.toThrow(\n 584→ expect.objectContaining({ name: 'AbortError' }),\n 585→ );\n 586→ expect(mockFn).toHaveBeenCalledTimes(1);\n 587→ });\n 588→ it('should trigger fallback for OAuth personal users on persistent 500 errors', async () => {\n 589→ const fallbackCallback = vi.fn().mockResolvedValue('gemini-2.5-flash');\n 590→\n 591→ let fallbackOccurred = false;\n 592→ const mockFn = vi.fn().mockImplementation(async () => {\n 593→ if (!fallbackOccurred) {\n 594→ const error: HttpError = new Error('Internal Server Error');\n 595→ error.status = 500;\n 596→ throw error;\n 597→ }\n 598→ return 'success';\n 599→ });\n 600→\n 601→ const promise = retryWithBackoff(mockFn, {\n 602→ maxAttempts: 3,\n 603→ initialDelayMs: 100,\n 604→ onPersistent429: async (authType?: string, error?: unknown) => {\n 605→ fallbackOccurred = true;\n 606→ return await fallbackCallback(authType, error);\n 607→ },\n 608→ authType: AuthType.LOGIN_WITH_GOOGLE,\n 609→ });\n 610→\n 611→ await vi.runAllTimersAsync();\n 612→\n 613→ await expect(promise).resolves.toBe('success');\n 614→ expect(fallbackCallback).toHaveBeenCalledWith(\n 615→ AuthType.LOGIN_WITH_GOOGLE,\n 616→ expect.objectContaining({ status: 500 }),\n 617→ );\n 618→ // 3 attempts (initial + 2 retries) fail with 500, then fallback triggers, then 1 success\n 619→ expect(mockFn).toHaveBeenCalledTimes(4);\n 620→ });\n 621→\n 622→ it('should trigger fallback for OAuth personal users on ModelNotFoundError', async () => {\n 623→ const fallbackCallback = vi.fn().mockResolvedValue(PREVIEW_GEMINI_MODEL);\n 624→\n 625→ let fallbackOccurred = false;\n 626→ const mockFn = vi.fn().mockImplementation(async () => {\n 627→ if (!fallbackOccurred) {\n 628→ throw new ModelNotFoundError('Requested entity was not found.', 404);\n 629→ }\n 630→ return 'success';\n 631→ });\n 632→\n 633→ const promise = retryWithBackoff(mockFn, {\n 634→ maxAttempts: 3,\n 635→ initialDelayMs: 100,\n 636→ onPersistent429: async (authType?: string, error?: unknown) => {\n 637→ fallbackOccurred = true;\n 638→ return await fallbackCallback(authType, error);\n 639→ },\n 640→ authType: AuthType.LOGIN_WITH_GOOGLE,\n 641→ });\n 642→\n 643→ await vi.runAllTimersAsync();\n 644→\n 645→ await expect(promise).resolves.toBe('success');\n 646→ expect(fallbackCallback).toHaveBeenCalledWith(\n 647→ AuthType.LOGIN_WITH_GOOGLE,\n 648→ expect.any(ModelNotFoundError),\n 649→ );\n 650→ expect(mockFn).toHaveBeenCalledTimes(2);\n 651→ });\n 652→\n 653→ describe('Availability Context Integration', () => {\n 654→ let mockService: ModelAvailabilityService;\n 655→ let mockPolicy1: ModelPolicy;\n 656→ let mockPolicy2: ModelPolicy;\n 657→\n 658→ beforeEach(() => {\n 659→ vi.useRealTimers();\n 660→ mockService = createAvailabilityServiceMock();\n 661→\n 662→ mockPolicy1 = {\n 663→ model: 'model-1',\n 664→ actions: {},\n 665→ stateTransitions: {\n 666→ terminal: 'terminal',\n 667→ transient: 'sticky_retry',\n 668→ },\n 669→ };\n 670→\n 671→ mockPolicy2 = {\n 672→ model: 'model-2',\n 673→ actions: {},\n 674→ stateTransitions: {\n 675→ terminal: 'terminal',\n 676→ },\n 677→ };\n 678→ });\n 679→\n 680→ it('updates availability context per attempt and applies transitions to the correct policy', async () => {\n 681→ const error = new TerminalQuotaError(\n 682→ 'quota exceeded',\n 683→ { code: 429, message: 'quota', details: [] },\n 684→ 10,\n 685→ );\n 686→\n 687→ const fn = vi.fn().mockImplementation(async () => {\n 688→ throw error; // Always fail with quota\n 689→ });\n 690→\n 691→ const onPersistent429 = vi\n 692→ .fn()\n 693→ .mockResolvedValueOnce('model-2') // First fallback success\n 694→ .mockResolvedValueOnce(null); // Second fallback fails (give up)\n 695→\n 696→ // Context provider returns policy1 first, then policy2\n 697→ const getContext = vi\n 698→ .fn()\n 699→ .mockReturnValueOnce({ service: mockService, policy: mockPolicy1 })\n 700→ .mockReturnValueOnce({ service: mockService, policy: mockPolicy2 });\n 701→\n 702→ await expect(\n 703→ retryWithBackoff(fn, {\n 704→ maxAttempts: 3,\n 705→ initialDelayMs: 1,\n 706→ getAvailabilityContext: getContext,\n 707→ onPersistent429,\n 708→ authType: AuthType.LOGIN_WITH_GOOGLE,\n 709→ }),\n 710→ ).rejects.toThrow(TerminalQuotaError);\n 711→\n 712→ // Verify failures\n 713→ expect(mockService.markTerminal).not.toHaveBeenCalled();\n 714→ expect(mockService.markTerminal).not.toHaveBeenCalled();\n 715→\n 716→ // Verify sequences\n 717→ });\n 718→\n 719→ it('marks sticky_retry after retries are exhausted for transient failures', async () => {\n 720→ const transientError = new RetryableQuotaError(\n 721→ 'transient error',\n 722→ { code: 429, message: 'transient', details: [] },\n 723→ 0,\n 724→ );\n 725→\n 726→ const fn = vi.fn().mockRejectedValue(transientError);\n 727→\n 728→ const getContext = vi\n 729→ .fn()\n 730→ .mockReturnValue({ service: mockService, policy: mockPolicy1 });\n 731→\n 732→ vi.useFakeTimers();\n 733→ const promise = retryWithBackoff(fn, {\n 734→ maxAttempts: 3,\n 735→ getAvailabilityContext: getContext,\n 736→ initialDelayMs: 1,\n 737→ maxDelayMs: 1,\n 738→ }).catch((err) => err);\n 739→\n 740→ await vi.runAllTimersAsync();\n 741→ const result = await promise;\n 742→ expect(result).toBe(transientError);\n 743→\n 744→ expect(fn).toHaveBeenCalledTimes(3);\n 745→ expect(mockService.markRetryOncePerTurn).not.toHaveBeenCalled();\n 746→ expect(mockService.markRetryOncePerTurn).not.toHaveBeenCalled();\n 747→ expect(mockService.markTerminal).not.toHaveBeenCalled();\n 748→ });\n 749→\n 750→ it('maps different failure kinds to correct terminal reasons', async () => {\n 751→ const quotaError = new TerminalQuotaError(\n 752→ 'quota',\n 753→ { code: 429, message: 'q', details: [] },\n 754→ 10,\n 755→ );\n 756→ const notFoundError = new ModelNotFoundError('not found', 404);\n 757→ const genericError = new Error('unknown error');\n 758→\n 759→ const fn = vi\n 760→ .fn()\n 761→ .mockRejectedValueOnce(quotaError)\n 762→ .mockRejectedValueOnce(notFoundError)\n 763→ .mockRejectedValueOnce(genericError);\n 764→\n 765→ const policy: ModelPolicy = {\n 766→ model: 'model-1',\n 767→ actions: {},\n 768→ stateTransitions: {\n 769→ terminal: 'terminal', // from quotaError\n 770→ not_found: 'terminal', // from notFoundError\n 771→ unknown: 'terminal', // from genericError\n 772→ },\n 773→ };\n 774→\n 775→ const getContext = vi\n 776→ .fn()\n 777→ .mockReturnValue({ service: mockService, policy });\n 778→\n 779→ // Run for quotaError\n 780→ await retryWithBackoff(fn, {\n 781→ maxAttempts: 1,\n 782→ getAvailabilityContext: getContext,\n 783→ }).catch(() => {});\n 784→ expect(mockService.markTerminal).not.toHaveBeenCalled();\n 785→ });\n 786→ });\n 787→});\n 788→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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[2026-02-15T09:12:50.203Z] [INFO] {
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[2026-02-15T09:12:50.244Z] [INFO] {
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{
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"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→import type {\n 8→ ErrorInfo,\n 9→ GoogleApiError,\n 10→ Help,\n 11→ QuotaFailure,\n 12→ RetryInfo,\n 13→} from './googleErrors.js';\n 14→import { parseGoogleApiError } from './googleErrors.js';\n 15→import { getErrorStatus, ModelNotFoundError } from './httpErrors.js';\n 16→\n 17→/**\n 18→ * A non-retryable error indicating a hard quota limit has been reached (e.g., daily limit).\n 19→ */\n 20→export class TerminalQuotaError extends Error {\n 21→ retryDelayMs?: number;\n 22→\n 23→ constructor(\n 24→ message: string,\n 25→ override readonly cause: GoogleApiError,\n 26→ retryDelaySeconds?: number,\n 27→ ) {\n 28→ super(message);\n 29→ this.name = 'TerminalQuotaError';\n 30→ this.retryDelayMs = retryDelaySeconds\n 31→ ? retryDelaySeconds * 1000\n 32→ : undefined;\n 33→ }\n 34→}\n 35→\n 36→/**\n 37→ * A retryable error indicating a temporary quota issue (e.g., per-minute limit).\n 38→ */\n 39→export class RetryableQuotaError extends Error {\n 40→ retryDelayMs?: number;\n 41→\n 42→ constructor(\n 43→ message: string,\n 44→ override readonly cause: GoogleApiError,\n 45→ retryDelaySeconds?: number,\n 46→ ) {\n 47→ super(message);\n 48→ this.name = 'RetryableQuotaError';\n 49→ this.retryDelayMs = retryDelaySeconds\n 50→ ? retryDelaySeconds * 1000\n 51→ : undefined;\n 52→ }\n 53→}\n 54→\n 55→/**\n 56→ * An error indicating that user validation is required to continue.\n 57→ */\n 58→export class ValidationRequiredError extends Error {\n 59→ validationLink?: string;\n 60→ validationDescription?: string;\n 61→ learnMoreUrl?: string;\n 62→ userHandled: boolean = false;\n 63→\n 64→ constructor(\n 65→ message: string,\n 66→ override readonly cause?: GoogleApiError,\n 67→ validationLink?: string,\n 68→ validationDescription?: string,\n 69→ learnMoreUrl?: string,\n 70→ ) {\n 71→ super(message);\n 72→ this.name = 'ValidationRequiredError';\n 73→ this.validationLink = validationLink;\n 74→ this.validationDescription = validationDescription;\n 75→ this.learnMoreUrl = learnMoreUrl;\n 76→ }\n 77→}\n 78→\n 79→/**\n 80→ * Parses a duration string (e.g., \"34.074824224s\", \"60s\", \"900ms\") and returns the time in seconds.\n 81→ * @param duration The duration string to parse.\n 82→ * @returns The duration in seconds, or null if parsing fails.\n 83→ */\n 84→function parseDurationInSeconds(duration: string): number | null {\n 85→ if (duration.endsWith('ms')) {\n 86→ const milliseconds = parseFloat(duration.slice(0, -2));\n 87→ return isNaN(milliseconds) ? null : milliseconds / 1000;\n 88→ }\n 89→ if (duration.endsWith('s')) {\n 90→ const seconds = parseFloat(duration.slice(0, -1));\n 91→ return isNaN(seconds) ? null : seconds;\n 92→ }\n 93→ return null;\n 94→}\n 95→\n 96→/**\n 97→ * Valid Cloud Code API domains for VALIDATION_REQUIRED errors.\n 98→ */\n 99→const CLOUDCODE_DOMAINS = [\n 100→ 'cloudcode-pa.googleapis.com',\n 101→ 'staging-cloudcode-pa.googleapis.com',\n 102→ 'autopush-cloudcode-pa.googleapis.com',\n 103→];\n 104→\n 105→/**\n 106→ * Checks if a 403 error requires user validation and extracts validation details.\n 107→ *\n 108→ * @param googleApiError The parsed Google API error to check.\n 109→ * @returns A `ValidationRequiredError` if validation is required, otherwise `null`.\n 110→ */\n 111→function classifyValidationRequiredError(\n 112→ googleApiError: GoogleApiError,\n 113→): ValidationRequiredError | null {\n 114→ const errorInfo = googleApiError.details.find(\n 115→ (d): d is ErrorInfo =>\n 116→ d['@type'] === 'type.googleapis.com/google.rpc.ErrorInfo',\n 117→ );\n 118→\n 119→ if (!errorInfo) {\n 120→ return null;\n 121→ }\n 122→\n 123→ if (\n 124→ !CLOUDCODE_DOMAINS.includes(errorInfo.domain) ||\n 125→ errorInfo.reason !== 'VALIDATION_REQUIRED'\n 126→ ) {\n 127→ return null;\n 128→ }\n 129→\n 130→ // Try to extract validation info from Help detail first\n 131→ const helpDetail = googleApiError.details.find(\n 132→ (d): d is Help => d['@type'] === 'type.googleapis.com/google.rpc.Help',\n 133→ );\n 134→\n 135→ let validationLink: string | undefined;\n 136→ let validationDescription: string | undefined;\n 137→ let learnMoreUrl: string | undefined;\n 138→\n 139→ if (helpDetail?.links && helpDetail.links.length > 0) {\n 140→ // First link is the validation link, extract description and URL\n 141→ const validationLinkInfo = helpDetail.links[0];\n 142→ validationLink = validationLinkInfo.url;\n 143→ validationDescription = validationLinkInfo.description;\n 144→\n 145→ // Look for \"Learn more\" link - identified by description or support.google.com hostname\n 146→ const learnMoreLink = helpDetail.links.find((link) => {\n 147→ if (link.description.toLowerCase().trim() === 'learn more') return true;\n 148→ const parsed = URL.parse(link.url);\n 149→ return parsed?.hostname === 'support.google.com';\n 150→ });\n 151→ if (learnMoreLink) {\n 152→ learnMoreUrl = learnMoreLink.url;\n 153→ }\n 154→ }\n 155→\n 156→ // Fallback to ErrorInfo metadata if Help detail not found\n 157→ if (!validationLink) {\n 158→ validationLink = errorInfo.metadata?.['validation_link'];\n 159→ }\n 160→\n 161→ return new ValidationRequiredError(\n 162→ googleApiError.message,\n 163→ googleApiError,\n 164→ validationLink,\n 165→ validationDescription,\n 166→ learnMoreUrl,\n 167→ );\n 168→}\n 169→/**\n 170→ * Analyzes a caught error and classifies it as a specific error type if applicable.\n 171→ *\n 172→ * Classification logic:\n 173→ * - 404 errors are classified as `ModelNotFoundError`.\n 174→ * - 403 errors with `VALIDATION_REQUIRED` from cloudcode-pa domains are classified\n 175→ * as `ValidationRequiredError`.\n 176→ * - 429 errors are classified as either `TerminalQuotaError` or `RetryableQuotaError`:\n 177→ * - CloudCode API: `RATE_LIMIT_EXCEEDED` → `RetryableQuotaError`, `QUOTA_EXHAUSTED` → `TerminalQuotaError`.\n 178→ * - If the error indicates a daily limit (in QuotaFailure), it's a `TerminalQuotaError`.\n 179→ * - If the error has a retry delay, it's a `RetryableQuotaError`.\n 180→ * - If the error indicates a per-minute limit, it's a `RetryableQuotaError`.\n 181→ * - If the error message contains the phrase \"Please retry in X[s|ms]\", it's a `RetryableQuotaError`.\n 182→ *\n 183→ * @param error The error to classify.\n 184→ * @returns A classified error or the original `unknown` error.\n 185→ */\n 186→export function classifyGoogleError(error: unknown): unknown {\n 187→ const googleApiError = parseGoogleApiError(error);\n 188→ const status = googleApiError?.code ?? getErrorStatus(error);\n 189→\n 190→ if (status === 404) {\n 191→ const message =\n 192→ googleApiError?.message ||\n 193→ (error instanceof Error ? error.message : 'Model not found');\n 194→ return new ModelNotFoundError(message, status);\n 195→ }\n 196→\n 197→ // Check for 403 VALIDATION_REQUIRED errors from Cloud Code API\n 198→ if (status === 403 && googleApiError) {\n 199→ const validationError = classifyValidationRequiredError(googleApiError);\n 200→ if (validationError) {\n 201→ return validationError;\n 202→ }\n 203→ }\n 204→\n 205→ if (\n 206→ !googleApiError ||\n 207→ googleApiError.code !== 429 ||\n 208→ googleApiError.details.length === 0\n 209→ ) {\n 210→ // Fallback: try to parse the error message for a retry delay\n 211→ const errorMessage =\n 212→ googleApiError?.message ||\n 213→ (error instanceof Error ? error.message : String(error));\n 214→ const match = errorMessage.match(/Please retry in ([0-9.]+(?:ms|s))/);\n 215→ if (match?.[1]) {\n 216→ const retryDelaySeconds = parseDurationInSeconds(match[1]);\n 217→ if (retryDelaySeconds !== null) {\n 218→ return new RetryableQuotaError(\n 219→ errorMessage,\n 220→ googleApiError ?? {\n 221→ code: 429,\n 222→ message: errorMessage,\n 223→ details: [],\n 224→ },\n 225→ retryDelaySeconds,\n 226→ );\n 227→ }\n 228→ } else if (status === 429) {\n 229→ // Fallback: If it is a 429 but doesn't have a specific \"retry in\" message,\n 230→ // assume it is a temporary rate limit and retry after 5 sec (same as DEFAULT_RETRY_OPTIONS).\n 231→ return new RetryableQuotaError(\n 232→ errorMessage,\n 233→ googleApiError ?? {\n 234→ code: 429,\n 235→ message: errorMessage,\n 236→ details: [],\n 237→ },\n 238→ );\n 239→ }\n 240→\n 241→ return error; // Not a 429 error we can handle with structured details or a parsable retry message.\n 242→ }\n 243→\n 244→ const quotaFailure = googleApiError.details.find(\n 245→ (d): d is QuotaFailure =>\n 246→ d['@type'] === 'type.googleapis.com/google.rpc.QuotaFailure',\n 247→ );\n 248→\n 249→ const errorInfo = googleApiError.details.find(\n 250→ (d): d is ErrorInfo =>\n 251→ d['@type'] === 'type.googleapis.com/google.rpc.ErrorInfo',\n 252→ );\n 253→\n 254→ const retryInfo = googleApiError.details.find(\n 255→ (d): d is RetryInfo =>\n 256→ d['@type'] === 'type.googleapis.com/google.rpc.RetryInfo',\n 257→ );\n 258→\n 259→ // 1. Check for long-term limits in QuotaFailure or ErrorInfo\n 260→ if (quotaFailure) {\n 261→ for (const violation of quotaFailure.violations) {\n 262→ const quotaId = violation.quotaId ?? '';\n 263→ if (quotaId.includes('PerDay') || quotaId.includes('Daily')) {\n 264→ return new TerminalQuotaError(\n 265→ `You have exhausted your daily quota on this model.`,\n 266→ googleApiError,\n 267→ );\n 268→ }\n 269→ }\n 270→ }\n 271→ let delaySeconds;\n 272→\n 273→ if (retryInfo?.retryDelay) {\n 274→ const parsedDelay = parseDurationInSeconds(retryInfo.retryDelay);\n 275→ if (parsedDelay) {\n 276→ delaySeconds = parsedDelay;\n 277→ }\n 278→ }\n 279→\n 280→ if (errorInfo) {\n 281→ // New Cloud Code API quota handling\n 282→ if (errorInfo.domain) {\n 283→ const validDomains = [\n 284→ 'cloudcode-pa.googleapis.com',\n 285→ 'staging-cloudcode-pa.googleapis.com',\n 286→ 'autopush-cloudcode-pa.googleapis.com',\n 287→ ];\n 288→ if (validDomains.includes(errorInfo.domain)) {\n 289→ if (errorInfo.reason === 'RATE_LIMIT_EXCEEDED') {\n 290→ return new RetryableQuotaError(\n 291→ `${googleApiError.message}`,\n 292→ googleApiError,\n 293→ delaySeconds ?? 10,\n 294→ );\n 295→ }\n 296→ if (errorInfo.reason === 'QUOTA_EXHAUSTED') {\n 297→ return new TerminalQuotaError(\n 298→ `${googleApiError.message}`,\n 299→ googleApiError,\n 300→ delaySeconds,\n 301→ );\n 302→ }\n 303→ }\n 304→ }\n 305→ }\n 306→\n 307→ // 2. Check for delays in RetryInfo\n 308→ if (retryInfo?.retryDelay && delaySeconds) {\n 309→ return new RetryableQuotaError(\n 310→ `${googleApiError.message}\\nSuggested retry after ${retryInfo.retryDelay}.`,\n 311→ googleApiError,\n 312→ delaySeconds,\n 313→ );\n 314→ }\n 315→\n 316→ // 3. Check for short-term limits in QuotaFailure or ErrorInfo\n 317→ if (quotaFailure) {\n 318→ for (const violation of quotaFailure.violations) {\n 319→ const quotaId = violation.quotaId ?? '';\n 320→ if (quotaId.includes('PerMinute')) {\n 321→ return new RetryableQuotaError(\n 322→ `${googleApiError.message}\\nSuggested retry after 60s.`,\n 323→ googleApiError,\n 324→ 60,\n 325→ );\n 326→ }\n 327→ }\n 328→ }\n 329→\n 330→ if (errorInfo) {\n 331→ const quotaLimit = errorInfo.metadata?.['quota_limit'] ?? '';\n 332→ if (quotaLimit.includes('PerMinute')) {\n 333→ return new RetryableQuotaError(\n 334→ `${errorInfo.reason}\\nSuggested retry after 60s.`,\n 335→ googleApiError,\n 336→ 60,\n 337→ );\n 338→ }\n 339→ }\n 340→\n 341→ // If we reached this point and the status is still 429, we return retryable.\n 342→ if (status === 429) {\n 343→ const errorMessage =\n 344→ googleApiError?.message ||\n 345→ (error instanceof Error ? error.message : String(error));\n 346→ return new RetryableQuotaError(\n 347→ errorMessage,\n 348→ googleApiError ?? {\n 349→ code: 429,\n 350→ message: errorMessage,\n 351→ details: [],\n 352→ },\n 353→ );\n 354→ }\n 355→ return error; // Fallback to original error if no specific classification fits.\n 356→}\n 357→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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[2026-02-15T09:12:50.375Z] [INFO] {
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[2026-02-15T09:12:50.377Z] [INFO] {
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{
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"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→import { isApiError, isStructuredError } from './quotaErrorDetection.js';\n 8→\n 9→// Known rate-limit error codes across providers.\n 10→// 429 - Standard HTTP \"Too Many Requests\" (DashScope TPM, OpenAI, etc.)\n 11→// 503 - Provider throttling/overload (treated as rate-limit for retry UI)\n 12→// 1302 - Z.AI GLM rate limit (https://docs.z.ai/api-reference/api-code)\n 13→const RATE_LIMIT_ERROR_CODES = new Set([429, 503, 1302]);\n 14→\n 15→export interface RetryInfo {\n 16→ /** Formatted error message for display, produced by parseAndFormatApiError. */\n 17→ message?: string;\n 18→ /** Current retry attempt (1-based). */\n 19→ attempt: number;\n 20→ /** Max retries allowed. */\n 21→ maxRetries: number;\n 22→ /** Delay in milliseconds before the retry happens. */\n 23→ delayMs: number;\n 24→}\n 25→\n 26→/**\n 27→ * Detects rate-limit / throttling errors and returns retry info.\n 28→ */\n 29→export function isRateLimitError(error: unknown): boolean {\n 30→ const code = getErrorCode(error);\n 31→ return code !== null && RATE_LIMIT_ERROR_CODES.has(code);\n 32→}\n 33→\n 34→/**\n 35→ * Extracts the numeric error code from various error shapes.\n 36→ * Mirrors the same parsing patterns used by parseAndFormatApiError.\n 37→ */\n 38→function getErrorCode(error: unknown): number | null {\n 39→ if (isApiError(error)) return Number(error.error.code) || null;\n 40→\n 41→ // JSON in string / Error.message — check BEFORE isStructuredError because\n 42→ // Error instances also satisfy isStructuredError (both have .message).\n 43→ const msg =\n 44→ error instanceof Error\n 45→ ? error.message\n 46→ : typeof error === 'string'\n 47→ ? error\n 48→ : null;\n 49→ if (msg) {\n 50→ const i = msg.indexOf('{');\n 51→ if (i !== -1) {\n 52→ try {\n 53→ const p = JSON.parse(msg.substring(i)) as unknown;\n 54→ if (isApiError(p)) return Number(p.error.code) || null;\n 55→ } catch {\n 56→ /* not valid JSON */\n 57→ }\n 58→ }\n 59→ }\n 60→\n 61→ // StructuredError (.status) — plain objects from Gemini SDK\n 62→ if (isStructuredError(error)) {\n 63→ return typeof error.status === 'number' ? error.status : null;\n 64→ }\n 65→\n 66→ // HttpError (.status on Error)\n 67→ if (error instanceof Error && 'status' in error) {\n 68→ const s = (error as { status?: unknown }).status;\n 69→ if (typeof s === 'number') return s;\n 70→ }\n 71→\n 72→ return null;\n 73→}\n 74→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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[2026-02-15T09:12:50.417Z] [INFO] {
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[2026-02-15T09:12:50.419Z] [INFO] {
"type": "user",
"message": {
"role": "user",
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{
"tool_use_id": "toolu_014wVBnH6KzRAnWytSiZ2j9o",
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"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→import type { GenerateContentResponse } from '@google/genai';\n 8→import { AuthType } from '../core/contentGenerator.js';\n 9→import { isQwenQuotaExceededError } from './quotaErrorDetection.js';\n 10→import { createDebugLogger } from './debugLogger.js';\n 11→\n 12→const debugLogger = createDebugLogger('RETRY');\n 13→\n 14→export interface HttpError extends Error {\n 15→ status?: number;\n 16→}\n 17→\n 18→export interface RetryOptions {\n 19→ maxAttempts: number;\n 20→ initialDelayMs: number;\n 21→ maxDelayMs: number;\n 22→ shouldRetryOnError: (error: Error) => boolean;\n 23→ shouldRetryOnContent?: (content: GenerateContentResponse) => boolean;\n 24→ authType?: string;\n 25→}\n 26→\n 27→const DEFAULT_RETRY_OPTIONS: RetryOptions = {\n 28→ maxAttempts: 7,\n 29→ initialDelayMs: 1500,\n 30→ maxDelayMs: 30000, // 30 seconds\n 31→ shouldRetryOnError: defaultShouldRetry,\n 32→};\n 33→\n 34→/**\n 35→ * Default predicate function to determine if a retry should be attempted.\n 36→ * Retries on 429 (Too Many Requests) and 5xx server errors.\n 37→ * @param error The error object.\n 38→ * @returns True if the error is a transient error, false otherwise.\n 39→ */\n 40→function defaultShouldRetry(error: Error | unknown): boolean {\n 41→ const status = getErrorStatus(error);\n 42→ return (\n 43→ status === 429 || (status !== undefined && status >= 500 && status < 600)\n 44→ );\n 45→}\n 46→\n 47→/**\n 48→ * Delays execution for a specified number of milliseconds.\n 49→ * @param ms The number of milliseconds to delay.\n 50→ * @returns A promise that resolves after the delay.\n 51→ */\n 52→function delay(ms: number): Promise<void> {\n 53→ return new Promise((resolve) => setTimeout(resolve, ms));\n 54→}\n 55→\n 56→/**\n 57→ * Retries a function with exponential backoff and jitter.\n 58→ * @param fn The asynchronous function to retry.\n 59→ * @param options Optional retry configuration.\n 60→ * @returns A promise that resolves with the result of the function if successful.\n 61→ * @throws The last error encountered if all attempts fail.\n 62→ */\n 63→export async function retryWithBackoff<T>(\n 64→ fn: () => Promise<T>,\n 65→ options?: Partial<RetryOptions>,\n 66→): Promise<T> {\n 67→ if (options?.maxAttempts !== undefined && options.maxAttempts <= 0) {\n 68→ throw new Error('maxAttempts must be a positive number.');\n 69→ }\n 70→\n 71→ const cleanOptions = options\n 72→ ? Object.fromEntries(Object.entries(options).filter(([_, v]) => v != null))\n 73→ : {};\n 74→\n 75→ const {\n 76→ maxAttempts,\n 77→ initialDelayMs,\n 78→ maxDelayMs,\n 79→ authType,\n 80→ shouldRetryOnError,\n 81→ shouldRetryOnContent,\n 82→ } = {\n 83→ ...DEFAULT_RETRY_OPTIONS,\n 84→ ...cleanOptions,\n 85→ };\n 86→\n 87→ let attempt = 0;\n 88→ let currentDelay = initialDelayMs;\n 89→\n 90→ while (attempt < maxAttempts) {\n 91→ attempt++;\n 92→ try {\n 93→ const result = await fn();\n 94→\n 95→ if (\n 96→ shouldRetryOnContent &&\n 97→ shouldRetryOnContent(result as GenerateContentResponse)\n 98→ ) {\n 99→ const jitter = currentDelay * 0.3 * (Math.random() * 2 - 1);\n 100→ const delayWithJitter = Math.max(0, currentDelay + jitter);\n 101→ await delay(delayWithJitter);\n 102→ currentDelay = Math.min(maxDelayMs, currentDelay * 2);\n 103→ continue;\n 104→ }\n 105→\n 106→ return result;\n 107→ } catch (error) {\n 108→ const errorStatus = getErrorStatus(error);\n 109→\n 110→ // Check for Qwen OAuth quota exceeded error - throw immediately without retry\n 111→ if (authType === AuthType.QWEN_OAUTH && isQwenQuotaExceededError(error)) {\n 112→ throw new Error(\n 113→ `Qwen API quota exceeded: Your Qwen API quota has been exhausted. Please wait for your quota to reset.`,\n 114→ );\n 115→ }\n 116→\n 117→ // Check if we've exhausted retries or shouldn't retry\n 118→ if (attempt >= maxAttempts || !shouldRetryOnError(error as Error)) {\n 119→ throw error;\n 120→ }\n 121→\n 122→ const retryAfterMs =\n 123→ errorStatus === 429 ? getRetryAfterDelayMs(error) : 0;\n 124→\n 125→ if (retryAfterMs > 0) {\n 126→ // Respect Retry-After header if present and parsed\n 127→ debugLogger.warn(\n 128→ `Attempt ${attempt} failed with status ${errorStatus ?? 'unknown'}. Retrying after explicit delay of ${retryAfterMs}ms...`,\n 129→ error,\n 130→ );\n 131→ await delay(retryAfterMs);\n 132→ // Reset currentDelay for next potential non-429 error, or if Retry-After is not present next time\n 133→ currentDelay = initialDelayMs;\n 134→ } else {\n 135→ // Fallback to exponential backoff with jitter\n 136→ logRetryAttempt(attempt, error, errorStatus);\n 137→ // Add jitter: +/- 30% of currentDelay\n 138→ const jitter = currentDelay * 0.3 * (Math.random() * 2 - 1);\n 139→ const delayWithJitter = Math.max(0, currentDelay + jitter);\n 140→ await delay(delayWithJitter);\n 141→ currentDelay = Math.min(maxDelayMs, currentDelay * 2);\n 142→ }\n 143→ }\n 144→ }\n 145→ // This line should theoretically be unreachable due to the throw in the catch block.\n 146→ // Added for type safety and to satisfy the compiler that a promise is always returned.\n 147→ throw new Error('Retry attempts exhausted');\n 148→}\n 149→\n 150→/**\n 151→ * Extracts the HTTP status code from an error object.\n 152→ *\n 153→ * Checks the following properties in order of priority:\n 154→ * 1. `error.status` - OpenAI, Anthropic, Gemini SDK errors\n 155→ * 2. `error.statusCode` - Some HTTP client libraries\n 156→ * 3. `error.response.status` - Axios-style errors\n 157→ * 4. `error.error.code` - Nested error objects\n 158→ *\n 159→ * @param error The error object.\n 160→ * @returns The HTTP status code (100-599), or undefined if not found.\n 161→ */\n 162→export function getErrorStatus(error: unknown): number | undefined {\n 163→ if (typeof error !== 'object' || error === null) {\n 164→ return undefined;\n 165→ }\n 166→\n 167→ const err = error as {\n 168→ status?: unknown;\n 169→ statusCode?: unknown;\n 170→ response?: { status?: unknown };\n 171→ error?: { code?: unknown };\n 172→ };\n 173→\n 174→ const value =\n 175→ err.status ?? err.statusCode ?? err.response?.status ?? err.error?.code;\n 176→\n 177→ return typeof value === 'number' && value >= 100 && value <= 599\n 178→ ? value\n 179→ : undefined;\n 180→}\n 181→\n 182→/**\n 183→ * Extracts the Retry-After delay from an error object's headers.\n 184→ * @param error The error object.\n 185→ * @returns The delay in milliseconds, or 0 if not found or invalid.\n 186→ */\n 187→function getRetryAfterDelayMs(error: unknown): number {\n 188→ if (typeof error === 'object' && error !== null) {\n 189→ // Check for error.response.headers (common in axios errors)\n 190→ if (\n 191→ 'response' in error &&\n 192→ typeof (error as { response?: unknown }).response === 'object' &&\n 193→ (error as { response?: unknown }).response !== null\n 194→ ) {\n 195→ const response = (error as { response: { headers?: unknown } }).response;\n 196→ if (\n 197→ 'headers' in response &&\n 198→ typeof response.headers === 'object' &&\n 199→ response.headers !== null\n 200→ ) {\n 201→ const headers = response.headers as { 'retry-after'?: unknown };\n 202→ const retryAfterHeader = headers['retry-after'];\n 203→ if (typeof retryAfterHeader === 'string') {\n 204→ const retryAfterSeconds = parseInt(retryAfterHeader, 10);\n 205→ if (!isNaN(retryAfterSeconds)) {\n 206→ return retryAfterSeconds * 1000;\n 207→ }\n 208→ // It might be an HTTP date\n 209→ const retryAfterDate = new Date(retryAfterHeader);\n 210→ if (!isNaN(retryAfterDate.getTime())) {\n 211→ return Math.max(0, retryAfterDate.getTime() - Date.now());\n 212→ }\n 213→ }\n 214→ }\n 215→ }\n 216→ }\n 217→ return 0;\n 218→}\n 219→\n 220→/**\n 221→ * Logs a message for a retry attempt when using exponential backoff.\n 222→ * @param attempt The current attempt number.\n 223→ * @param error The error that caused the retry.\n 224→ * @param errorStatus The HTTP status code of the error, if available.\n 225→ */\n 226→function logRetryAttempt(\n 227→ attempt: number,\n 228→ error: unknown,\n 229→ errorStatus?: number,\n 230→): void {\n 231→ const message = errorStatus\n 232→ ? `Attempt ${attempt} failed with status ${errorStatus}. Retrying with backoff...`\n 233→ : `Attempt ${attempt} failed. Retrying with backoff...`;\n 234→\n 235→ if (errorStatus === 429) {\n 236→ debugLogger.warn(message, error);\n 237→ } else if (errorStatus && errorStatus >= 500 && errorStatus < 600) {\n 238→ debugLogger.error(message, error);\n 239→ } else {\n 240→ debugLogger.warn(message, error);\n 241→ }\n 242→}\n 243→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
}
]
},
"parent_tool_use_id": "toolu_01JdNyA9CMBoKYnDUMAEoRNM",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "5830b8dc-cf9f-45a5-a4d6-db46174289c5"
}
[2026-02-15T09:12:50.484Z] [INFO] {
"type": "assistant",
"message": {
"model": "claude-haiku-4-5-20251001",
"id": "msg_01LEjNBpqwZFu59MzdFgYcdS",
"type": "message",
"role": "assistant",
"content": [
{
"type": "tool_use",
"id": "toolu_01TYj3aw8XA9HP86Le5iqQBv",
"name": "Read",
"input": {
"file_path": "/tmp/qwen-code/packages/core/src/utils/rateLimit.test.ts"
},
"caller": {
"type": "direct"
}
}
],
"stop_reason": null,
"stop_sequence": null,
"usage": {
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"cache_creation": {
"ephemeral_5m_input_tokens": 0,
"ephemeral_1h_input_tokens": 482
},
"output_tokens": 4,
"service_tier": "standard",
"inference_geo": "not_available"
},
"context_management": null
},
"parent_tool_use_id": "toolu_01JdNyA9CMBoKYnDUMAEoRNM",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "7929c92a-d134-46dd-ba5d-b3d51a763529"
}
[2026-02-15T09:12:50.485Z] [INFO] {
"type": "user",
"message": {
"role": "user",
"content": [
{
"tool_use_id": "toolu_01TYj3aw8XA9HP86Le5iqQBv",
"type": "tool_result",
"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→import { describe, it, expect } from 'vitest';\n 8→import { isRateLimitError } from './rateLimit.js';\n 9→import type { StructuredError } from '../core/turn.js';\n 10→import type { HttpError } from './retry.js';\n 11→\n 12→describe('isRateLimitError — detection paths', () => {\n 13→ it('should detect rate-limit from ApiError.error.code in JSON message', () => {\n 14→ const info = isRateLimitError(\n 15→ new Error(\n 16→ '{\"error\":{\"code\":\"429\",\"message\":\"Throttling: TPM(10680324/10000000)\"}}',\n 17→ ),\n 18→ );\n 19→ expect(info).toBe(true);\n 20→ });\n 21→\n 22→ it('should detect rate-limit from direct ApiError object', () => {\n 23→ const info = isRateLimitError({\n 24→ error: { code: 429, message: 'Rate limit exceeded' },\n 25→ });\n 26→ expect(info).toBe(true);\n 27→ });\n 28→\n 29→ it('should detect GLM 1302 code from ApiError', () => {\n 30→ const info = isRateLimitError({\n 31→ error: { code: 1302, message: '您的账户已达到速率限制' },\n 32→ });\n 33→ expect(info).toBe(true);\n 34→ });\n 35→\n 36→ it('should detect rate-limit from StructuredError.status', () => {\n 37→ const error: StructuredError = { message: 'Rate limited', status: 429 };\n 38→ const info = isRateLimitError(error);\n 39→ expect(info).toBe(true);\n 40→ });\n 41→\n 42→ it('should detect rate-limit from HttpError.status', () => {\n 43→ const error: HttpError = new Error('Too Many Requests');\n 44→ error.status = 429;\n 45→ const info = isRateLimitError(error);\n 46→ expect(info).toBe(true);\n 47→ });\n 48→\n 49→ it('should return null for non-rate-limit codes', () => {\n 50→ expect(\n 51→ isRateLimitError({ error: { code: 400, message: 'Bad Request' } }),\n 52→ ).toBe(false);\n 53→ });\n 54→\n 55→ it('should return null for invalid inputs', () => {\n 56→ expect(isRateLimitError(null)).toBe(false);\n 57→ expect(isRateLimitError(undefined)).toBe(false);\n 58→ expect(isRateLimitError('500')).toBe(false);\n 59→ });\n 60→});\n 61→\n 62→describe('isRateLimitError — return shape', () => {\n 63→ it('should detect GLM rate limit JSON string', () => {\n 64→ const info = isRateLimitError(\n 65→ '{\"error\":{\"code\":\"1302\",\"message\":\"您的账户已达到速率限制,请您控制请求频率\"}}',\n 66→ );\n 67→ expect(info).toBe(true);\n 68→ });\n 69→\n 70→ it('should treat HTTP 503 as rate-limit', () => {\n 71→ const error: HttpError = new Error('Service Unavailable');\n 72→ error.status = 503;\n 73→ const info = isRateLimitError(error);\n 74→ expect(info).toBe(true);\n 75→ });\n 76→\n 77→ it('should return null for non-rate-limit errors', () => {\n 78→ expect(isRateLimitError(new Error('Connection refused'))).toBe(false);\n 79→ });\n 80→});\n 81→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
}
]
},
"parent_tool_use_id": "toolu_01JdNyA9CMBoKYnDUMAEoRNM",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "0aa98ad5-a9f9-4d26-bd5b-e0842086625b"
}
[2026-02-15T09:12:50.685Z] [INFO] {
"type": "assistant",
"message": {
"model": "claude-haiku-4-5-20251001",
"id": "msg_01LEjNBpqwZFu59MzdFgYcdS",
"type": "message",
"role": "assistant",
"content": [
{
"type": "tool_use",
"id": "toolu_01MtGRdMjAexWh9C8SE2WaQf",
"name": "Read",
"input": {
"file_path": "/tmp/qwen-code/packages/core/src/utils/retry.test.ts"
},
"caller": {
"type": "direct"
}
}
],
"stop_reason": null,
"stop_sequence": null,
"usage": {
"input_tokens": 1,
"cache_creation_input_tokens": 482,
"cache_read_input_tokens": 15812,
"cache_creation": {
"ephemeral_5m_input_tokens": 0,
"ephemeral_1h_input_tokens": 482
},
"output_tokens": 4,
"service_tier": "standard",
"inference_geo": "not_available"
},
"context_management": null
},
"parent_tool_use_id": "toolu_01JdNyA9CMBoKYnDUMAEoRNM",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "0797bdc5-bbad-4e79-bb4b-4d3391082e9c"
}
[2026-02-15T09:12:50.774Z] [INFO] {
"type": "user",
"message": {
"role": "user",
"content": [
{
"tool_use_id": "toolu_01MtGRdMjAexWh9C8SE2WaQf",
"type": "tool_result",
"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→/* eslint-disable @typescript-eslint/no-explicit-any */\n 8→import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';\n 9→import type { HttpError } from './retry.js';\n 10→import { getErrorStatus, retryWithBackoff } from './retry.js';\n 11→import { setSimulate429 } from './testUtils.js';\n 12→import { AuthType } from '../core/contentGenerator.js';\n 13→\n 14→// Helper to create a mock function that fails a certain number of times\n 15→const createFailingFunction = (\n 16→ failures: number,\n 17→ successValue: string = 'success',\n 18→) => {\n 19→ let attempts = 0;\n 20→ return vi.fn(async () => {\n 21→ attempts++;\n 22→ if (attempts <= failures) {\n 23→ // Simulate a retryable error\n 24→ const error: HttpError = new Error(`Simulated error attempt ${attempts}`);\n 25→ error.status = 500; // Simulate a server error\n 26→ throw error;\n 27→ }\n 28→ return successValue;\n 29→ });\n 30→};\n 31→\n 32→// Custom error for testing non-retryable conditions\n 33→class NonRetryableError extends Error {\n 34→ constructor(message: string) {\n 35→ super(message);\n 36→ this.name = 'NonRetryableError';\n 37→ }\n 38→}\n 39→\n 40→describe('retryWithBackoff', () => {\n 41→ beforeEach(() => {\n 42→ vi.useFakeTimers();\n 43→ // Disable 429 simulation for tests\n 44→ setSimulate429(false);\n 45→ // Suppress unhandled promise rejection warnings for tests that expect errors\n 46→ console.warn = vi.fn();\n 47→ });\n 48→\n 49→ afterEach(() => {\n 50→ vi.restoreAllMocks();\n 51→ vi.useRealTimers();\n 52→ });\n 53→\n 54→ it('should return the result on the first attempt if successful', async () => {\n 55→ const mockFn = createFailingFunction(0);\n 56→ const result = await retryWithBackoff(mockFn);\n 57→ expect(result).toBe('success');\n 58→ expect(mockFn).toHaveBeenCalledTimes(1);\n 59→ });\n 60→\n 61→ it('should retry and succeed if failures are within maxAttempts', async () => {\n 62→ const mockFn = createFailingFunction(2);\n 63→ const promise = retryWithBackoff(mockFn, {\n 64→ maxAttempts: 3,\n 65→ initialDelayMs: 10,\n 66→ });\n 67→\n 68→ await vi.runAllTimersAsync(); // Ensure all delays and retries complete\n 69→\n 70→ const result = await promise;\n 71→ expect(result).toBe('success');\n 72→ expect(mockFn).toHaveBeenCalledTimes(3);\n 73→ });\n 74→\n 75→ it('should throw an error if all attempts fail', async () => {\n 76→ const mockFn = createFailingFunction(3);\n 77→\n 78→ // 1. Start the retryable operation, which returns a promise.\n 79→ const promise = retryWithBackoff(mockFn, {\n 80→ maxAttempts: 3,\n 81→ initialDelayMs: 10,\n 82→ });\n 83→\n 84→ // 2. IMPORTANT: Attach the rejection expectation to the promise *immediately*.\n 85→ // This ensures a 'catch' handler is present before the promise can reject.\n 86→ // The result is a new promise that resolves when the assertion is met.\n 87→ // eslint-disable-next-line vitest/valid-expect\n 88→ const assertionPromise = expect(promise).rejects.toThrow(\n 89→ 'Simulated error attempt 3',\n 90→ );\n 91→\n 92→ // 3. Now, advance the timers. This will trigger the retries and the\n 93→ // eventual rejection. The handler attached in step 2 will catch it.\n 94→ await vi.runAllTimersAsync();\n 95→\n 96→ // 4. Await the assertion promise itself to ensure the test was successful.\n 97→ await assertionPromise;\n 98→\n 99→ // 5. Finally, assert the number of calls.\n 100→ expect(mockFn).toHaveBeenCalledTimes(3);\n 101→ });\n 102→\n 103→ it('should default to 7 maxAttempts if no options are provided', async () => {\n 104→ // This function will fail more than 7 times to ensure all retries are used.\n 105→ const mockFn = createFailingFunction(10);\n 106→\n 107→ const promise = retryWithBackoff(mockFn);\n 108→\n 109→ // Expect it to fail with the error from the 7th attempt.\n 110→ // eslint-disable-next-line vitest/valid-expect\n 111→ const assertionPromise = expect(promise).rejects.toThrow(\n 112→ 'Simulated error attempt 7',\n 113→ );\n 114→ await vi.runAllTimersAsync();\n 115→ await assertionPromise;\n 116→\n 117→ expect(mockFn).toHaveBeenCalledTimes(7);\n 118→ });\n 119→\n 120→ it('should default to 7 maxAttempts if options.maxAttempts is undefined', async () => {\n 121→ // This function will fail more than 7 times to ensure all retries are used.\n 122→ const mockFn = createFailingFunction(10);\n 123→\n 124→ const promise = retryWithBackoff(mockFn, { maxAttempts: undefined });\n 125→\n 126→ // Expect it to fail with the error from the 7th attempt.\n 127→ // eslint-disable-next-line vitest/valid-expect\n 128→ const assertionPromise = expect(promise).rejects.toThrow(\n 129→ 'Simulated error attempt 7',\n 130→ );\n 131→ await vi.runAllTimersAsync();\n 132→ await assertionPromise;\n 133→\n 134→ expect(mockFn).toHaveBeenCalledTimes(7);\n 135→ });\n 136→\n 137→ it('should not retry if shouldRetry returns false', async () => {\n 138→ const mockFn = vi.fn(async () => {\n 139→ throw new NonRetryableError('Non-retryable error');\n 140→ });\n 141→ const shouldRetryOnError = (error: Error) =>\n 142→ !(error instanceof NonRetryableError);\n 143→\n 144→ const promise = retryWithBackoff(mockFn, {\n 145→ shouldRetryOnError,\n 146→ initialDelayMs: 10,\n 147→ });\n 148→\n 149→ await expect(promise).rejects.toThrow('Non-retryable error');\n 150→ expect(mockFn).toHaveBeenCalledTimes(1);\n 151→ });\n 152→\n 153→ it('should throw an error if maxAttempts is not a positive number', async () => {\n 154→ const mockFn = createFailingFunction(1);\n 155→\n 156→ // Test with 0\n 157→ await expect(retryWithBackoff(mockFn, { maxAttempts: 0 })).rejects.toThrow(\n 158→ 'maxAttempts must be a positive number.',\n 159→ );\n 160→\n 161→ // The function should not be called at all if validation fails\n 162→ expect(mockFn).not.toHaveBeenCalled();\n 163→ });\n 164→\n 165→ it('should use default shouldRetry if not provided, retrying on 429', async () => {\n 166→ const mockFn = vi.fn(async () => {\n 167→ const error = new Error('Too Many Requests') as any;\n 168→ error.status = 429;\n 169→ throw error;\n 170→ });\n 171→\n 172→ const promise = retryWithBackoff(mockFn, {\n 173→ maxAttempts: 2,\n 174→ initialDelayMs: 10,\n 175→ });\n 176→\n 177→ // Attach the rejection expectation *before* running timers\n 178→ const assertionPromise =\n 179→ expect(promise).rejects.toThrow('Too Many Requests'); // eslint-disable-line vitest/valid-expect\n 180→\n 181→ // Run timers to trigger retries and eventual rejection\n 182→ await vi.runAllTimersAsync();\n 183→\n 184→ // Await the assertion\n 185→ await assertionPromise;\n 186→\n 187→ expect(mockFn).toHaveBeenCalledTimes(2);\n 188→ });\n 189→\n 190→ it('should use default shouldRetry if not provided, not retrying on 400', async () => {\n 191→ const mockFn = vi.fn(async () => {\n 192→ const error = new Error('Bad Request') as any;\n 193→ error.status = 400;\n 194→ throw error;\n 195→ });\n 196→\n 197→ const promise = retryWithBackoff(mockFn, {\n 198→ maxAttempts: 2,\n 199→ initialDelayMs: 10,\n 200→ });\n 201→ await expect(promise).rejects.toThrow('Bad Request');\n 202→ expect(mockFn).toHaveBeenCalledTimes(1);\n 203→ });\n 204→\n 205→ it('should respect maxDelayMs', async () => {\n 206→ const mockFn = createFailingFunction(3);\n 207→ const setTimeoutSpy = vi.spyOn(global, 'setTimeout');\n 208→\n 209→ const promise = retryWithBackoff(mockFn, {\n 210→ maxAttempts: 4,\n 211→ initialDelayMs: 100,\n 212→ maxDelayMs: 250, // Max delay is less than 100 * 2 * 2 = 400\n 213→ });\n 214→\n 215→ await vi.advanceTimersByTimeAsync(1000); // Advance well past all delays\n 216→ await promise;\n 217→\n 218→ const delays = setTimeoutSpy.mock.calls.map((call) => call[1] as number);\n 219→\n 220→ // Delays should be around initial, initial*2, maxDelay (due to cap)\n 221→ // Jitter makes exact assertion hard, so we check ranges / caps\n 222→ expect(delays.length).toBe(3);\n 223→ expect(delays[0]).toBeGreaterThanOrEqual(100 * 0.7);\n 224→ expect(delays[0]).toBeLessThanOrEqual(100 * 1.3);\n 225→ expect(delays[1]).toBeGreaterThanOrEqual(200 * 0.7);\n 226→ expect(delays[1]).toBeLessThanOrEqual(200 * 1.3);\n 227→ // The third delay should be capped by maxDelayMs (250ms), accounting for jitter\n 228→ expect(delays[2]).toBeGreaterThanOrEqual(250 * 0.7);\n 229→ expect(delays[2]).toBeLessThanOrEqual(250 * 1.3);\n 230→ });\n 231→\n 232→ it('should handle jitter correctly, ensuring varied delays', async () => {\n 233→ let mockFn = createFailingFunction(5);\n 234→ const setTimeoutSpy = vi.spyOn(global, 'setTimeout');\n 235→\n 236→ // Run retryWithBackoff multiple times to observe jitter\n 237→ const runRetry = () =>\n 238→ retryWithBackoff(mockFn, {\n 239→ maxAttempts: 2, // Only one retry, so one delay\n 240→ initialDelayMs: 100,\n 241→ maxDelayMs: 1000,\n 242→ });\n 243→\n 244→ // We expect rejections as mockFn fails 5 times\n 245→ const promise1 = runRetry();\n 246→ // Attach the rejection expectation *before* running timers\n 247→ // eslint-disable-next-line vitest/valid-expect\n 248→ const assertionPromise1 = expect(promise1).rejects.toThrow();\n 249→ await vi.runAllTimersAsync(); // Advance for the delay in the first runRetry\n 250→ await assertionPromise1;\n 251→\n 252→ const firstDelaySet = setTimeoutSpy.mock.calls.map(\n 253→ (call) => call[1] as number,\n 254→ );\n 255→ setTimeoutSpy.mockClear(); // Clear calls for the next run\n 256→\n 257→ // Reset mockFn to reset its internal attempt counter for the next run\n 258→ mockFn = createFailingFunction(5); // Re-initialize with 5 failures\n 259→\n 260→ const promise2 = runRetry();\n 261→ // Attach the rejection expectation *before* running timers\n 262→ // eslint-disable-next-line vitest/valid-expect\n 263→ const assertionPromise2 = expect(promise2).rejects.toThrow();\n 264→ await vi.runAllTimersAsync(); // Advance for the delay in the second runRetry\n 265→ await assertionPromise2;\n 266→\n 267→ const secondDelaySet = setTimeoutSpy.mock.calls.map(\n 268→ (call) => call[1] as number,\n 269→ );\n 270→\n 271→ // Check that the delays are not exactly the same due to jitter\n 272→ // This is a probabilistic test, but with +/-30% jitter, it's highly likely they differ.\n 273→ if (firstDelaySet.length > 0 && secondDelaySet.length > 0) {\n 274→ // Check the first delay of each set\n 275→ expect(firstDelaySet[0]).not.toBe(secondDelaySet[0]);\n 276→ } else {\n 277→ // If somehow no delays were captured (e.g. test setup issue), fail explicitly\n 278→ throw new Error('Delays were not captured for jitter test');\n 279→ }\n 280→\n 281→ // Ensure delays are within the expected jitter range [70, 130] for initialDelayMs = 100\n 282→ [...firstDelaySet, ...secondDelaySet].forEach((d) => {\n 283→ expect(d).toBeGreaterThanOrEqual(100 * 0.7);\n 284→ expect(d).toBeLessThanOrEqual(100 * 1.3);\n 285→ });\n 286→ });\n 287→\n 288→ describe('Qwen OAuth 429 error handling', () => {\n 289→ it('should retry for Qwen OAuth 429 errors that are throttling-related', async () => {\n 290→ const errorWith429: HttpError = new Error('Rate limit exceeded');\n 291→ errorWith429.status = 429;\n 292→\n 293→ const fn = vi\n 294→ .fn()\n 295→ .mockRejectedValueOnce(errorWith429)\n 296→ .mockResolvedValue('success');\n 297→\n 298→ const promise = retryWithBackoff(fn, {\n 299→ maxAttempts: 5,\n 300→ initialDelayMs: 100,\n 301→ maxDelayMs: 1000,\n 302→ authType: AuthType.QWEN_OAUTH,\n 303→ });\n 304→\n 305→ // Fast-forward time for delays\n 306→ await vi.runAllTimersAsync();\n 307→\n 308→ await expect(promise).resolves.toBe('success');\n 309→\n 310→ // Should be called twice (1 failure + 1 success)\n 311→ expect(fn).toHaveBeenCalledTimes(2);\n 312→ });\n 313→\n 314→ it('should throw immediately for Qwen OAuth with insufficient_quota message', async () => {\n 315→ const errorWithInsufficientQuota = new Error('insufficient_quota');\n 316→\n 317→ const fn = vi.fn().mockRejectedValue(errorWithInsufficientQuota);\n 318→\n 319→ const promise = retryWithBackoff(fn, {\n 320→ maxAttempts: 5,\n 321→ initialDelayMs: 1000,\n 322→ maxDelayMs: 5000,\n 323→ authType: AuthType.QWEN_OAUTH,\n 324→ });\n 325→\n 326→ await expect(promise).rejects.toThrow(/Qwen API quota exceeded/);\n 327→\n 328→ // Should be called only once (no retries)\n 329→ expect(fn).toHaveBeenCalledTimes(1);\n 330→ });\n 331→\n 332→ it('should throw immediately for Qwen OAuth with free allocated quota exceeded message', async () => {\n 333→ const errorWithQuotaExceeded = new Error(\n 334→ 'Free allocated quota exceeded.',\n 335→ );\n 336→\n 337→ const fn = vi.fn().mockRejectedValue(errorWithQuotaExceeded);\n 338→\n 339→ const promise = retryWithBackoff(fn, {\n 340→ maxAttempts: 5,\n 341→ initialDelayMs: 1000,\n 342→ maxDelayMs: 5000,\n 343→ authType: AuthType.QWEN_OAUTH,\n 344→ });\n 345→\n 346→ await expect(promise).rejects.toThrow(/Qwen API quota exceeded/);\n 347→\n 348→ // Should be called only once (no retries)\n 349→ expect(fn).toHaveBeenCalledTimes(1);\n 350→ });\n 351→\n 352→ it('should retry for Qwen OAuth with throttling message', async () => {\n 353→ const throttlingError: HttpError = new Error(\n 354→ 'requests throttling triggered',\n 355→ );\n 356→ throttlingError.status = 429;\n 357→\n 358→ const fn = vi\n 359→ .fn()\n 360→ .mockRejectedValueOnce(throttlingError)\n 361→ .mockRejectedValueOnce(throttlingError)\n 362→ .mockResolvedValue('success');\n 363→\n 364→ const promise = retryWithBackoff(fn, {\n 365→ maxAttempts: 5,\n 366→ initialDelayMs: 100,\n 367→ maxDelayMs: 1000,\n 368→ authType: AuthType.QWEN_OAUTH,\n 369→ });\n 370→\n 371→ // Fast-forward time for delays\n 372→ await vi.runAllTimersAsync();\n 373→\n 374→ await expect(promise).resolves.toBe('success');\n 375→\n 376→ // Should be called 3 times (2 failures + 1 success)\n 377→ expect(fn).toHaveBeenCalledTimes(3);\n 378→ });\n 379→\n 380→ it('should retry for Qwen OAuth with throttling error', async () => {\n 381→ const throttlingError: HttpError = new Error('throttling');\n 382→ throttlingError.status = 429;\n 383→\n 384→ const fn = vi\n 385→ .fn()\n 386→ .mockRejectedValueOnce(throttlingError)\n 387→ .mockResolvedValue('success');\n 388→\n 389→ const promise = retryWithBackoff(fn, {\n 390→ maxAttempts: 5,\n 391→ initialDelayMs: 100,\n 392→ maxDelayMs: 1000,\n 393→ authType: AuthType.QWEN_OAUTH,\n 394→ });\n 395→\n 396→ // Fast-forward time for delays\n 397→ await vi.runAllTimersAsync();\n 398→\n 399→ await expect(promise).resolves.toBe('success');\n 400→\n 401→ // Should be called 2 times (1 failure + 1 success)\n 402→ expect(fn).toHaveBeenCalledTimes(2);\n 403→ });\n 404→\n 405→ it('should throw immediately for Qwen OAuth with quota message', async () => {\n 406→ const errorWithQuota = new Error('quota exceeded');\n 407→\n 408→ const fn = vi.fn().mockRejectedValue(errorWithQuota);\n 409→\n 410→ const promise = retryWithBackoff(fn, {\n 411→ maxAttempts: 5,\n 412→ initialDelayMs: 1000,\n 413→ maxDelayMs: 5000,\n 414→ authType: AuthType.QWEN_OAUTH,\n 415→ });\n 416→\n 417→ await expect(promise).rejects.toThrow(/Qwen API quota exceeded/);\n 418→\n 419→ // Should be called only once (no retries)\n 420→ expect(fn).toHaveBeenCalledTimes(1);\n 421→ });\n 422→\n 423→ it('should retry normal errors for Qwen OAuth (not quota-related)', async () => {\n 424→ const normalError: HttpError = new Error('Network error');\n 425→ normalError.status = 500;\n 426→\n 427→ const fn = createFailingFunction(2, 'success');\n 428→ // Replace the default 500 error with our normal error\n 429→ fn.mockRejectedValueOnce(normalError)\n 430→ .mockRejectedValueOnce(normalError)\n 431→ .mockResolvedValue('success');\n 432→\n 433→ const promise = retryWithBackoff(fn, {\n 434→ maxAttempts: 5,\n 435→ initialDelayMs: 100,\n 436→ maxDelayMs: 1000,\n 437→ authType: AuthType.QWEN_OAUTH,\n 438→ });\n 439→\n 440→ // Fast-forward time for delays\n 441→ await vi.runAllTimersAsync();\n 442→\n 443→ await expect(promise).resolves.toBe('success');\n 444→\n 445→ // Should be called 3 times (2 failures + 1 success)\n 446→ expect(fn).toHaveBeenCalledTimes(3);\n 447→ });\n 448→ });\n 449→});\n 450→\n 451→describe('getErrorStatus', () => {\n 452→ it('should extract status from error.status (OpenAI/Anthropic/Gemini style)', () => {\n 453→ expect(getErrorStatus({ status: 429 })).toBe(429);\n 454→ expect(getErrorStatus({ status: 500 })).toBe(500);\n 455→ expect(getErrorStatus({ status: 503 })).toBe(503);\n 456→ expect(getErrorStatus({ status: 400 })).toBe(400);\n 457→ });\n 458→\n 459→ it('should extract status from error.statusCode', () => {\n 460→ expect(getErrorStatus({ statusCode: 429 })).toBe(429);\n 461→ expect(getErrorStatus({ statusCode: 502 })).toBe(502);\n 462→ });\n 463→\n 464→ it('should extract status from error.response.status (axios style)', () => {\n 465→ expect(getErrorStatus({ response: { status: 429 } })).toBe(429);\n 466→ expect(getErrorStatus({ response: { status: 503 } })).toBe(503);\n 467→ });\n 468→\n 469→ it('should extract status from error.error.code (nested error style)', () => {\n 470→ expect(getErrorStatus({ error: { code: 429 } })).toBe(429);\n 471→ expect(getErrorStatus({ error: { code: 500 } })).toBe(500);\n 472→ });\n 473→\n 474→ it('should prefer status over statusCode over response.status over error.code', () => {\n 475→ expect(\n 476→ getErrorStatus({\n 477→ status: 429,\n 478→ statusCode: 500,\n 479→ response: { status: 502 },\n 480→ error: { code: 503 },\n 481→ }),\n 482→ ).toBe(429);\n 483→\n 484→ expect(\n 485→ getErrorStatus({\n 486→ statusCode: 500,\n 487→ response: { status: 502 },\n 488→ error: { code: 503 },\n 489→ }),\n 490→ ).toBe(500);\n 491→\n 492→ expect(\n 493→ getErrorStatus({ response: { status: 502 }, error: { code: 503 } }),\n 494→ ).toBe(502);\n 495→ });\n 496→\n 497→ it('should return undefined for out-of-range status codes', () => {\n 498→ expect(getErrorStatus({ status: 0 })).toBeUndefined();\n 499→ expect(getErrorStatus({ status: 99 })).toBeUndefined();\n 500→ expect(getErrorStatus({ status: 600 })).toBeUndefined();\n 501→ expect(getErrorStatus({ status: -1 })).toBeUndefined();\n 502→ });\n 503→\n 504→ it('should return undefined for non-numeric status values', () => {\n 505→ expect(getErrorStatus({ status: 'not_a_number' })).toBeUndefined();\n 506→ expect(\n 507→ getErrorStatus({ error: { code: 'invalid_api_key' } }),\n 508→ ).toBeUndefined();\n 509→ });\n 510→\n 511→ it('should return undefined for null, undefined, and non-object values', () => {\n 512→ expect(getErrorStatus(null)).toBeUndefined();\n 513→ expect(getErrorStatus(undefined)).toBeUndefined();\n 514→ expect(getErrorStatus(true)).toBeUndefined();\n 515→ expect(getErrorStatus(429)).toBeUndefined();\n 516→ expect(getErrorStatus('500')).toBeUndefined();\n 517→ });\n 518→\n 519→ it('should handle Error instances with a status property', () => {\n 520→ const error: HttpError = new Error('Too Many Requests');\n 521→ error.status = 429;\n 522→ expect(getErrorStatus(error)).toBe(429);\n 523→ });\n 524→\n 525→ it('should return undefined for Error instances without a status', () => {\n 526→ expect(getErrorStatus(new Error('generic error'))).toBeUndefined();\n 527→ });\n 528→\n 529→ it('should return undefined for empty objects', () => {\n 530→ expect(getErrorStatus({})).toBeUndefined();\n 531→ expect(getErrorStatus({ response: {} })).toBeUndefined();\n 532→ expect(getErrorStatus({ error: {} })).toBeUndefined();\n 533→ });\n 534→});\n 535→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 100→\n 101→ // Minimum retry interval to prevent rapid retries (default: 30 seconds)\n 102→ // This ensures we don't hammer the API with rapid retry attempts\n 103→ // See: https://github.com/link-assistant/agent/issues/167\n 104→ export function MIN_RETRY_INTERVAL(): number {\n 105→ const val = getEnv(\n 106→ 'LINK_ASSISTANT_AGENT_MIN_RETRY_INTERVAL',\n 107→ 'AGENT_MIN_RETRY_INTERVAL'\n 108→ );\n 109→ return val ? parseInt(val, 10) * 1000 : 30000; // 30 seconds in ms\n 110→ }\n 111→\n 112→ // Stream timeout configuration\n 113→ // chunkMs: timeout between stream chunks - detects stalled streams (default: 2 minutes)\n 114→ // stepMs: timeout for each individual LLM step (default: 10 minutes)\n 115→ export function STREAM_CHUNK_TIMEOUT_MS(): number {\n 116→ const val = getEnv(\n 117→ 'LINK_ASSISTANT_AGENT_STREAM_CHUNK_TIMEOUT_MS',\n 118→ 'AGENT_STREAM_CHUNK_TIMEOUT_MS'\n 119→ );\n 120→ return val ? parseInt(val, 10) : 120_000;\n 121→ }\n 122→\n 123→ export function STREAM_STEP_TIMEOUT_MS(): number {\n 124→ const val = getEnv(\n 125→ 'LINK_ASSISTANT_AGENT_STREAM_STEP_TIMEOUT_MS',\n 126→ 'AGENT_STREAM_STEP_TIMEOUT_MS'\n 127→ );\n 128→ return val ? parseInt(val, 10) : 600_000;\n 129→ }\n 130→\n 131→ // Compact JSON mode - output JSON on single lines (NDJSON format)\n 132→ // Enabled by AGENT_CLI_COMPACT env var or --compact-json flag\n 133→ // Uses getter to check env var at runtime for tests\n 134→ let _compactJson: boolean | null = null;\n 135→\n 136→ export function COMPACT_JSON(): boolean {\n 137→ if (_compactJson !== null) return _compactJson;\n 138→ return (\n 139→ truthy('AGENT_CLI_COMPACT') ||\n 140→ truthyCompat('LINK_ASSISTANT_AGENT_COMPACT_JSON', 'OPENCODE_COMPACT_JSON')\n 141→ );\n 142→ }\n 143→\n 144→ // Allow setting verbose mode programmatically (e.g., from CLI --verbose flag)\n 145→ export function setVerbose(value: boolean) {\n 146→ OPENCODE_VERBOSE = value;\n 147→ }\n 148→\n 149→ // Allow setting dry run mode programmatically (e.g., from CLI --dry-run flag)\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→# Proposed Solutions for Issue #167\n 2→\n 3→## Summary\n 4→\n 5→The core problem is that even though `@link-assistant/agent` sets `maxRetries: 0` in the AI SDK's `streamText()` calls, rate limit errors are being retried by the AI SDK's internal retry mechanism before the agent's custom retry logic can handle them.\n 6→\n 7→## Solution 1: Custom Fetch Wrapper with Retry Logic (Recommended)\n 8→\n 9→### Approach\n 10→\n 11→Create a custom `fetch` wrapper that intercepts all HTTP responses and handles retries according to the agent's time-based retry configuration, before the AI SDK's internal retry mechanism can interfere.\n 12→\n 13→### Implementation\n 14→\n 15→```typescript\n 16→// src/provider/retry-fetch.ts\n 17→import { SessionRetry } from '../session/retry';\n 18→import { Log } from '../util/log';\n 19→\n 20→const log = Log.create({ service: 'retry-fetch' });\n 21→\n 22→export function createRetryFetch(sessionID: string): typeof fetch {\n 23→ return async function retryFetch(\n 24→ input: RequestInfo | URL,\n 25→ init?: RequestInit\n 26→ ): Promise<Response> {\n 27→ let attempt = 0;\n 28→ const startTime = Date.now();\n 29→ const maxRetryTime = SessionRetry.getRetryTimeout();\n 30→\n 31→ while (true) {\n 32→ attempt++;\n 33→ const response = await fetch(input, init);\n 34→\n 35→ // Only handle rate limit errors (429)\n 36→ if (response.status !== 429) {\n 37→ return response;\n 38→ }\n 39→\n 40→ // Check if we're within the global retry timeout\n 41→ const elapsed = Date.now() - startTime;\n 42→ if (elapsed >= maxRetryTime) {\n 43→ log.info(() => ({\n 44→ message: 'retry timeout exceeded in fetch wrapper',\n 45→ elapsed,\n 46→ maxRetryTime,\n 47→ }));\n 48→ return response; // Let the error bubble up\n 49→ }\n 50→\n 51→ // Parse retry-after header\n 52→ const retryAfterHeader = response.headers.get('retry-after');\n 53→ let delay = SessionRetry.RETRY_INITIAL_DELAY * Math.pow(\n 54→ SessionRetry.RETRY_BACKOFF_FACTOR,\n 55→ attempt - 1\n 56→ );\n 57→\n 58→ if (retryAfterHeader) {\n 59→ const parsed = parseFloat(retryAfterHeader);\n 60→ if (!isNaN(parsed)) {\n 61→ delay = parsed * 1000; // Convert seconds to ms\n 62→ }\n 63→ }\n 64→\n 65→ // Cap delay to max retry delay\n 66→ delay = Math.min(delay, SessionRetry.getMaxRetryDelay());\n 67→\n 68→ log.info(() => ({\n 69→ message: 'rate limited, retrying',\n 70→ attempt,\n 71→ delay,\n 72→ retryAfterHeader,\n 73→ elapsed,\n 74→ maxRetryTime,\n 75→ }));\n 76→\n 77→ // Wait before retrying\n 78→ await new Promise(resolve => setTimeout(resolve, delay));\n 79→ }\n 80→ };\n 81→}\n 82→```\n 83→\n 84→### Integration\n 85→\n 86→Inject the custom fetch into provider options:\n 87→\n 88→```typescript\n 89→// In CUSTOM_LOADERS for providers that need retry handling\n 90→opencode: async (input) => {\n 91→ return {\n 92→ autoload: true,\n 93→ options: {\n 94→ apiKey: hasKey ? undefined : 'public',\n 95→ fetch: createRetryFetch('default-session'), // Add retry wrapper\n 96→ },\n 97→ };\n 98→},\n 99→```\n 100→\n 101→### Pros\n 102→\n 103→- Full control over retry behavior at the HTTP level\n 104→- Respects retry-after headers from the server\n 105→- Works before AI SDK's internal retry kicks in\n 106→- Can be configured per-provider\n 107→\n 108→### Cons\n 109→\n 110→- Requires session ID context at fetch level (may need refactoring)\n 111→- Adds another layer of abstraction\n 112→- Need to handle abort signals properly\n 113→\n 114→---\n 115→\n 116→## Solution 2: Language Model Middleware\n 117→\n 118→### Approach\n 119→\n 120→Use the AI SDK's middleware feature to wrap `doStream`/`doGenerate` calls with custom retry logic.\n 121→\n 122→### Implementation\n 123→\n 124→```typescript\n 125→// src/provider/retry-middleware.ts\n 126→import { experimental_wrapLanguageModel } from 'ai';\n 127→import { SessionRetry } from '../session/retry';\n 128→\n 129→export function withRetryMiddleware(model: LanguageModel, sessionID: string) {\n 130→ return experimental_wrapLanguageModel({\n 131→ model,\n 132→ middleware: {\n 133→ wrapStream: async ({ doStream, params }) => {\n 134→ let attempt = 0;\n 135→ const startTime = Date.now();\n 136→ const maxRetryTime = SessionRetry.getRetryTimeout();\n 137→\n 138→ while (true) {\n 139→ try {\n 140→ return await doStream();\n 141→ } catch (error) {\n 142→ if (!isRateLimitError(error)) {\n 143→ throw error;\n 144→ }\n 145→\n 146→ const elapsed = Date.now() - startTime;\n 147→ if (elapsed >= maxRetryTime) {\n 148→ throw error;\n 149→ }\n 150→\n 151→ const delay = calculateDelay(error, attempt);\n 152→ attempt++;\n 153→ await sleep(delay);\n 154→ }\n 155→ }\n 156→ },\n 157→ },\n 158→ });\n 159→}\n 160→```\n 161→\n 162→### Pros\n 163→\n 164→- Uses official AI SDK extension point\n 165→- More semantic than fetch wrapper\n 166→- Can access model-specific error information\n 167→\n 168→### Cons\n 169→\n 170→- Middleware runs after AI SDK's initial retry attempts\n 171→- May not intercept all error types\n 172→- Experimental API subject to change\n 173→\n 174→---\n 175→\n 176→## Solution 3: Upgrade AI SDK + Configuration\n 177→\n 178→### Approach\n 179→\n 180→1. Upgrade to latest AI SDK version (6.0.86+) which includes better retry-after header support\n 181→2. Use the new retry configuration options when available\n 182→\n 183→### Steps\n 184→\n 185→1. Update `package.json`:\n 186→ ```json\n 187→ {\n 188→ \"dependencies\": {\n 189→ \"ai\": \"^6.0.86\"\n 190→ }\n 191→ }\n 192→ ```\n 193→\n 194→2. Check if the new version provides `getRetryDelay` customization\n 195→\n 196→### Pros\n 197→\n 198→- Minimal code changes\n 199→- Upstream-supported solution\n 200→- Benefit from future improvements\n 201→\n 202→### Cons\n 203→\n 204→- May still not provide time-based global timeout\n 205→- Breaking changes possible\n 206→- Dependent on upstream roadmap\n 207→\n 208→---\n 209→\n 210→## Solution 4: Minimum Retry Interval Configuration\n 211→\n 212→### Approach\n 213→\n 214→Add configuration for minimum retry interval to ensure retries don't happen too quickly:\n 215→\n 216→```typescript\n 217→// src/flag/flag.ts\n 218→export function MIN_RETRY_INTERVAL(): number {\n 219→ const val = getEnv(\n 220→ 'LINK_ASSISTANT_AGENT_MIN_RETRY_INTERVAL',\n 221→ 'AGENT_MIN_RETRY_INTERVAL'\n 222→ );\n 223→ return val ? parseInt(val, 10) * 1000 : 30000; // 30 seconds default\n 224→}\n 225→```\n 226→\n 227→### Integration\n 228→\n 229→In `session/retry.ts`:\n 230→```typescript\n 231→export function delay(error: MessageV2.APIError, attempt: number): number {\n 232→ // ... existing code ...\n 233→\n 234→ // Ensure minimum interval\n 235→ const minInterval = Flag.MIN_RETRY_INTERVAL();\n 236→ return Math.max(calculatedDelay, minInterval);\n 237→}\n 238→```\n 239→\n 240→### Pros\n 241→\n 242→- Simple implementation\n 243→- User-configurable\n 244→- Works with existing retry system\n 245→\n 246→### Cons\n 247→\n 248→- Doesn't address the root cause (AI SDK internal retries)\n 249→- May not help if AI SDK exhausts retries before agent can intervene\n 250→\n 251→---\n 252→\n 253→## Recommended Implementation Order\n 254→\n 255→1. **Immediate**: Implement Solution 4 (minimum retry interval) as a quick win\n 256→2. **Short-term**: Implement Solution 1 (custom fetch wrapper) for providers that frequently hit rate limits\n 257→3. **Medium-term**: Test Solution 3 (AI SDK upgrade) when new versions are available\n 258→4. **Long-term**: Contribute to AI SDK with Solution 2 patterns as production-ready middleware\n 259→\n 260→---\n 261→\n 262→## Related Existing Libraries\n 263→\n 264→### For Custom Retry Logic\n 265→\n 266→1. **[p-retry](https://www.npmjs.com/package/p-retry)** - Promise-based retry with exponential backoff\n 267→2. **[async-retry](https://www.npmjs.com/package/async-retry)** - Async/await retry with configurable delays\n 268→3. **[@lifeomic/attempt](https://github.com/lifeomic/attempt)** - Flexible retry strategies including time-based\n 269→\n 270→### For Rate Limit Management\n 271→\n 272→1. **[bottleneck](https://www.npmjs.com/package/bottleneck)** - Distributed rate limiter\n 273→2. **[p-queue](https://www.npmjs.com/package/p-queue)** - Promise queue with concurrency control\n 274→\n 275→### For HTTP Request Management\n 276→\n 277→1. **[got](https://www.npmjs.com/package/got)** - HTTP client with built-in retry support\n 278→2. **[axios-retry](https://www.npmjs.com/package/axios-retry)** - Axios plugin with retry-after support\n 279→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2026 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→/**\n 8→ * A utility that manages a timeout and an AbortController, allowing the\n 9→ * timeout to be paused, resumed, and dynamically extended.\n 10→ */\n 11→export class DeadlineTimer {\n 12→ private readonly controller: AbortController;\n 13→ private timeoutId: NodeJS.Timeout | null = null;\n 14→ private remainingMs: number;\n 15→ private lastStartedAt: number;\n 16→ private isPaused = false;\n 17→\n 18→ constructor(timeoutMs: number, reason = 'Timeout exceeded.') {\n 19→ this.controller = new AbortController();\n 20→ this.remainingMs = timeoutMs;\n 21→ this.lastStartedAt = Date.now();\n 22→ this.schedule(timeoutMs, reason);\n 23→ }\n 24→\n 25→ /** The AbortSignal managed by this timer. */\n 26→ get signal(): AbortSignal {\n 27→ return this.controller.signal;\n 28→ }\n 29→\n 30→ /**\n 31→ * Pauses the timer, clearing any active timeout.\n 32→ */\n 33→ pause(): void {\n 34→ if (this.isPaused || this.controller.signal.aborted) return;\n 35→\n 36→ if (this.timeoutId) {\n 37→ clearTimeout(this.timeoutId);\n 38→ this.timeoutId = null;\n 39→ }\n 40→\n 41→ const elapsed = Date.now() - this.lastStartedAt;\n 42→ this.remainingMs = Math.max(0, this.remainingMs - elapsed);\n 43→ this.isPaused = true;\n 44→ }\n 45→\n 46→ /**\n 47→ * Resumes the timer with the remaining budget.\n 48→ */\n 49→ resume(reason = 'Timeout exceeded.'): void {\n 50→ if (!this.isPaused || this.controller.signal.aborted) return;\n 51→\n 52→ this.lastStartedAt = Date.now();\n 53→ this.schedule(this.remainingMs, reason);\n 54→ this.isPaused = false;\n 55→ }\n 56→\n 57→ /**\n 58→ * Extends the current budget by the specified number of milliseconds.\n 59→ */\n 60→ extend(ms: number, reason = 'Timeout exceeded.'): void {\n 61→ if (this.controller.signal.aborted) return;\n 62→\n 63→ if (this.isPaused) {\n 64→ this.remainingMs += ms;\n 65→ } else {\n 66→ if (this.timeoutId) {\n 67→ clearTimeout(this.timeoutId);\n 68→ }\n 69→ const elapsed = Date.now() - this.lastStartedAt;\n 70→ this.remainingMs = Math.max(0, this.remainingMs - elapsed) + ms;\n 71→ this.lastStartedAt = Date.now();\n 72→ this.schedule(this.remainingMs, reason);\n 73→ }\n 74→ }\n 75→\n 76→ /**\n 77→ * Aborts the signal immediately and clears any pending timers.\n 78→ */\n 79→ abort(reason?: unknown): void {\n 80→ if (this.timeoutId) {\n 81→ clearTimeout(this.timeoutId);\n 82→ this.timeoutId = null;\n 83→ }\n 84→ this.isPaused = false;\n 85→ this.controller.abort(reason);\n 86→ }\n 87→\n 88→ private schedule(ms: number, reason: string): void {\n 89→ this.timeoutId = setTimeout(() => {\n 90→ this.timeoutId = null;\n 91→ this.controller.abort(new Error(reason));\n 92→ }, ms);\n 93→ }\n 94→}\n 95→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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[2026-02-15T09:12:53.070Z] [INFO] {
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{
"tool_use_id": "toolu_013L1ueSABqeXNQ3QX4rPGZ1",
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"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→/**\n 8→ * @fileoverview\n 9→ * This file contains types and functions for parsing structured Google API errors.\n 10→ */\n 11→\n 12→/**\n 13→ * Based on google/rpc/error_details.proto\n 14→ */\n 15→\n 16→export interface ErrorInfo {\n 17→ '@type': 'type.googleapis.com/google.rpc.ErrorInfo';\n 18→ reason: string;\n 19→ domain: string;\n 20→ metadata: { [key: string]: string };\n 21→}\n 22→\n 23→export interface RetryInfo {\n 24→ '@type': 'type.googleapis.com/google.rpc.RetryInfo';\n 25→ retryDelay: string; // e.g. \"51820.638305887s\"\n 26→}\n 27→\n 28→export interface DebugInfo {\n 29→ '@type': 'type.googleapis.com/google.rpc.DebugInfo';\n 30→ stackEntries: string[];\n 31→ detail: string;\n 32→}\n 33→\n 34→export interface QuotaFailure {\n 35→ '@type': 'type.googleapis.com/google.rpc.QuotaFailure';\n 36→ violations: Array<{\n 37→ subject?: string;\n 38→ description?: string;\n 39→ apiService?: string;\n 40→ quotaMetric?: string;\n 41→ quotaId?: string;\n 42→ quotaDimensions?: { [key: string]: string };\n 43→ quotaValue?: string | number;\n 44→ futureQuotaValue?: number;\n 45→ }>;\n 46→}\n 47→\n 48→export interface PreconditionFailure {\n 49→ '@type': 'type.googleapis.com/google.rpc.PreconditionFailure';\n 50→ violations: Array<{\n 51→ type: string;\n 52→ subject: string;\n 53→ description: string;\n 54→ }>;\n 55→}\n 56→\n 57→export interface LocalizedMessage {\n 58→ '@type': 'type.googleapis.com/google.rpc.LocalizedMessage';\n 59→ locale: string;\n 60→ message: string;\n 61→}\n 62→\n 63→export interface BadRequest {\n 64→ '@type': 'type.googleapis.com/google.rpc.BadRequest';\n 65→ fieldViolations: Array<{\n 66→ field: string;\n 67→ description: string;\n 68→ reason?: string;\n 69→ localizedMessage?: LocalizedMessage;\n 70→ }>;\n 71→}\n 72→\n 73→export interface RequestInfo {\n 74→ '@type': 'type.googleapis.com/google.rpc.RequestInfo';\n 75→ requestId: string;\n 76→ servingData: string;\n 77→}\n 78→\n 79→export interface ResourceInfo {\n 80→ '@type': 'type.googleapis.com/google.rpc.ResourceInfo';\n 81→ resourceType: string;\n 82→ resourceName: string;\n 83→ owner: string;\n 84→ description: string;\n 85→}\n 86→\n 87→export interface Help {\n 88→ '@type': 'type.googleapis.com/google.rpc.Help';\n 89→ links: Array<{\n 90→ description: string;\n 91→ url: string;\n 92→ }>;\n 93→}\n 94→\n 95→export type GoogleApiErrorDetail =\n 96→ | ErrorInfo\n 97→ | RetryInfo\n 98→ | DebugInfo\n 99→ | QuotaFailure\n 100→ | PreconditionFailure\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " 1→/**\n 2→ * E2E tests based on abort-and-lifecycle.ts example\n 3→ * Tests AbortController integration and process lifecycle management\n 4→ */\n 5→\n 6→/* eslint-disable @typescript-eslint/no-unused-vars */\n 7→\n 8→import { describe, it, expect, beforeEach, afterEach } from 'vitest';\n 9→import {\n 10→ query,\n 11→ AbortError,\n 12→ isAbortError,\n 13→ isSDKAssistantMessage,\n 14→ isSDKResultMessage,\n 15→ type TextBlock,\n 16→ type ContentBlock,\n 17→ type SDKUserMessage,\n 18→} from '@qwen-code/sdk';\n 19→import {\n 20→ SDKTestHelper,\n 21→ createSharedTestOptions,\n 22→ createResultWaiter,\n 23→} from './test-helper.js';\n 24→\n 25→const SHARED_TEST_OPTIONS = createSharedTestOptions();\n 26→\n 27→describe('AbortController and Process Lifecycle (E2E)', () => {\n 28→ let helper: SDKTestHelper;\n 29→ let testDir: string;\n 30→\n 31→ beforeEach(async () => {\n 32→ helper = new SDKTestHelper();\n 33→ testDir = await helper.setup('abort-and-lifecycle');\n 34→ });\n 35→\n 36→ afterEach(async () => {\n 37→ await helper.cleanup();\n 38→ });\n 39→ describe('Basic AbortController Usage', () => {\n 40→ it('should support AbortController cancellation', async () => {\n 41→ const controller = new AbortController();\n 42→\n 43→ // Abort after 5 seconds\n 44→ setTimeout(() => {\n 45→ controller.abort();\n 46→ }, 5000);\n 47→\n 48→ const q = query({\n 49→ prompt: 'Write a very long story about TypeScript programming',\n 50→ options: {\n 51→ ...SHARED_TEST_OPTIONS,\n 52→ cwd: testDir,\n 53→ abortController: controller,\n 54→ debug: false,\n 55→ },\n 56→ });\n 57→\n 58→ try {\n 59→ for await (const message of q) {\n 60→ if (isSDKAssistantMessage(message)) {\n 61→ const textBlocks = message.message.content.filter(\n 62→ (block): block is TextBlock => block.type === 'text',\n 63→ );\n 64→ const text = textBlocks\n 65→ .map((b) => b.text)\n 66→ .join('')\n 67→ .slice(0, 100);\n 68→\n 69→ // Should receive some content before abort\n 70→ expect(text.length).toBeGreaterThan(0);\n 71→ }\n 72→ }\n 73→\n 74→ // Should not reach here - query should be aborted\n 75→ expect(false).toBe(true);\n 76→ } catch (error) {\n 77→ expect(isAbortError(error)).toBe(true);\n 78→ } finally {\n 79→ await q.close();\n 80→ }\n 81→ });\n 82→\n 83→ it('should handle abort during query execution', async () => {\n 84→ const controller = new AbortController();\n 85→\n 86→ const q = query({\n 87→ prompt: 'Hello',\n 88→ options: {\n 89→ ...SHARED_TEST_OPTIONS,\n 90→ cwd: testDir,\n 91→ abortController: controller,\n 92→ debug: false,\n 93→ },\n 94→ });\n 95→\n 96→ let receivedFirstMessage = false;\n 97→\n 98→ try {\n 99→ for await (const message of q) {\n 100→ if (isSDKAssistantMessage(message)) {\n 101→ if (!receivedFirstMessage) {\n 102→ // Abort immediately after receiving first assistant message\n 103→ receivedFirstMessage = true;\n 104→ controller.abort();\n 105→ }\n 106→ }\n 107→ }\n 108→ } catch (error) {\n 109→ expect(isAbortError(error)).toBe(true);\n 110→ expect(error instanceof AbortError).toBe(true);\n 111→ // Should have received at least one message before abort\n 112→ expect(receivedFirstMessage).toBe(true);\n 113→ } finally {\n 114→ await q.close();\n 115→ }\n 116→ });\n 117→\n 118→ it('should handle abort immediately after query starts', async () => {\n 119→ const controller = new AbortController();\n 120→\n 121→ const q = query({\n 122→ prompt: 'Write a very long essay',\n 123→ options: {\n 124→ ...SHARED_TEST_OPTIONS,\n 125→ cwd: testDir,\n 126→ abortController: controller,\n 127→ debug: false,\n 128→ },\n 129→ });\n 130→\n 131→ // Abort immediately after query initialization\n 132→ setTimeout(() => {\n 133→ controller.abort();\n 134→ }, 200);\n 135→\n 136→ try {\n 137→ for await (const _message of q) {\n 138→ // May or may not receive messages before abort\n 139→ }\n 140→ } catch (error) {\n 141→ expect(isAbortError(error)).toBe(true);\n 142→ expect(error instanceof AbortError).toBe(true);\n 143→ } finally {\n 144→ await q.close();\n 145→ }\n 146→ });\n 147→ });\n 148→\n 149→ describe('Process Lifecycle Monitoring', () => {\n 150→ it('should handle normal process completion', async () => {\n 151→ const q = query({\n 152→ prompt: 'Why do we choose to go to the moon?',\n 153→ options: {\n 154→ ...SHARED_TEST_OPTIONS,\n 155→ cwd: testDir,\n 156→ debug: false,\n 157→ },\n 158→ });\n 159→\n 160→ let completedSuccessfully = false;\n 161→\n 162→ try {\n 163→ for await (const message of q) {\n 164→ if (isSDKAssistantMessage(message)) {\n 165→ const textBlocks = message.message.content.filter(\n 166→ (block): block is TextBlock => block.type === 'text',\n 167→ );\n 168→ const text = textBlocks\n 169→ .map((b) => b.text)\n 170→ .join('')\n 171→ .slice(0, 100);\n 172→ expect(text.length).toBeGreaterThan(0);\n 173→ }\n 174→ }\n 175→\n 176→ completedSuccessfully = true;\n 177→ } catch (error) {\n 178→ // Should not throw for normal completion\n 179→ expect(false).toBe(true);\n 180→ } finally {\n 181→ await q.close();\n 182→ expect(completedSuccessfully).toBe(true);\n 183→ }\n 184→ });\n 185→\n 186→ it('should handle process cleanup after error', async () => {\n 187→ const q = query({\n 188→ prompt: 'Hello world',\n 189→ options: {\n 190→ ...SHARED_TEST_OPTIONS,\n 191→ cwd: testDir,\n 192→ debug: false,\n 193→ },\n 194→ });\n 195→\n 196→ try {\n 197→ for await (const message of q) {\n 198→ if (isSDKAssistantMessage(message)) {\n 199→ const textBlocks = message.message.content.filter(\n 200→ (block): block is TextBlock => block.type === 'text',\n 201→ );\n 202→ const text = textBlocks\n 203→ .map((b) => b.text)\n 204→ .join('')\n 205→ .slice(0, 50);\n 206→ expect(text.length).toBeGreaterThan(0);\n 207→ }\n 208→ }\n 209→ } catch (error) {\n 210→ // Expected to potentially have errors\n 211→ } finally {\n 212→ // Should cleanup successfully even after error\n 213→ await q.close();\n 214→ expect(true).toBe(true); // Cleanup completed\n 215→ }\n 216→ });\n 217→ });\n 218→\n 219→ describe('Input Stream Control', () => {\n 220→ it('should support endInput() method', async () => {\n 221→ const q = query({\n 222→ prompt: 'What is 2 + 2?',\n 223→ options: {\n 224→ ...SHARED_TEST_OPTIONS,\n 225→ cwd: testDir,\n 226→ debug: false,\n 227→ },\n 228→ });\n 229→\n 230→ let receivedResponse = false;\n 231→ let endInputCalled = false;\n 232→\n 233→ try {\n 234→ for await (const message of q) {\n 235→ if (isSDKAssistantMessage(message) && !endInputCalled) {\n 236→ const textBlocks = message.message.content.filter(\n 237→ (block: ContentBlock): block is TextBlock =>\n 238→ block.type === 'text',\n 239→ );\n 240→ const text = textBlocks.map((b: TextBlock) => b.text).join('');\n 241→\n 242→ expect(text.length).toBeGreaterThan(0);\n 243→ receivedResponse = true;\n 244→\n 245→ // End input after receiving first response\n 246→ q.endInput();\n 247→ endInputCalled = true;\n 248→ }\n 249→ }\n 250→\n 251→ expect(receivedResponse).toBe(true);\n 252→ expect(endInputCalled).toBe(true);\n 253→ } finally {\n 254→ await q.close();\n 255→ }\n 256→ });\n 257→ });\n 258→\n 259→ describe('Closed stdin behavior (asyncGenerator prompt)', () => {\n 260→ it('should reject control requests after stdin closes', async () => {\n 261→ const resultWaiter = createResultWaiter(1);\n 262→ let promptDoneResolve: () => void = () => {};\n 263→ const promptDonePromise = new Promise<void>((resolve) => {\n 264→ promptDoneResolve = resolve;\n 265→ });\n 266→\n 267→ async function* createPrompt(): AsyncIterable<SDKUserMessage> {\n 268→ yield {\n 269→ type: 'user',\n 270→ session_id: crypto.randomUUID(),\n 271→ message: {\n 272→ role: 'user',\n 273→ content: 'Say \"OK\".',\n 274→ },\n 275→ parent_tool_use_id: null,\n 276→ };\n 277→\n 278→ await resultWaiter.waitForResult(0);\n 279→ promptDoneResolve();\n 280→ }\n 281→\n 282→ const q = query({\n 283→ prompt: createPrompt(),\n 284→ options: {\n 285→ ...SHARED_TEST_OPTIONS,\n 286→ cwd: testDir,\n 287→ debug: false,\n 288→ },\n 289→ });\n 290→\n 291→ let firstResultReceived = false;\n 292→\n 293→ try {\n 294→ for await (const message of q) {\n 295→ if (isSDKResultMessage(message)) {\n 296→ firstResultReceived = true;\n 297→ resultWaiter.notifyResult();\n 298→ break;\n 299→ }\n 300→ }\n 301→\n 302→ expect(firstResultReceived).toBe(true);\n 303→ await promptDonePromise;\n 304→ q.endInput();\n 305→\n 306→ await expect(q.setPermissionMode('default')).rejects.toThrow(\n 307→ 'Input stream closed',\n 308→ );\n 309→ } finally {\n 310→ await q.close();\n 311→ }\n 312→ });\n 313→\n 314→ it('should handle control responses when stdin closes before replies', async () => {\n 315→ await helper.createFile('test.txt', 'original content');\n 316→\n 317→ let canUseToolCalledResolve: () => void = () => {};\n 318→ const canUseToolCalledPromise = new Promise<void>((resolve, reject) => {\n 319→ canUseToolCalledResolve = resolve;\n 320→ setTimeout(() => {\n 321→ reject(new Error('canUseTool callback not called'));\n 322→ }, 15000);\n 323→ });\n 324→\n 325→ let inputStreamDoneResolve: () => void = () => {};\n 326→ const inputStreamDonePromise = new Promise<void>((resolve, reject) => {\n 327→ inputStreamDoneResolve = resolve;\n 328→ setTimeout(() => {\n 329→ reject(new Error('inputStreamDonePromise timeout'));\n 330→ }, 15000);\n 331→ });\n 332→\n 333→ let firstResultResolve: () => void = () => {};\n 334→ const firstResultPromise = new Promise<void>((resolve) => {\n 335→ firstResultResolve = resolve;\n 336→ });\n 337→\n 338→ let secondResultResolve: () => void = () => {};\n 339→ const secondResultPromise = new Promise<void>((resolve, reject) => {\n 340→ secondResultResolve = resolve;\n 341→ });\n 342→\n 343→ async function* createPrompt(): AsyncIterable<SDKUserMessage> {\n 344→ const sessionId = crypto.randomUUID();\n 345→\n 346→ yield {\n 347→ type: 'user',\n 348→ session_id: sessionId,\n 349→ message: {\n 350→ role: 'user',\n 351→ content: 'Say \"OK\".',\n 352→ },\n 353→ parent_tool_use_id: null,\n 354→ };\n 355→\n 356→ await firstResultPromise;\n 357→\n 358→ yield {\n 359→ type: 'user',\n 360→ session_id: sessionId,\n 361→ message: {\n 362→ role: 'user',\n 363→ content: 'Write \"updated\" to test.txt.',\n 364→ },\n 365→ parent_tool_use_id: null,\n 366→ };\n 367→ await inputStreamDonePromise;\n 368→ }\n 369→\n 370→ const q = query({\n 371→ prompt: createPrompt(),\n 372→ options: {\n 373→ ...SHARED_TEST_OPTIONS,\n 374→ cwd: testDir,\n 375→ permissionMode: 'default',\n 376→ coreTools: ['read_file', 'write_file'],\n 377→ canUseTool: async (toolName, input) => {\n 378→ inputStreamDoneResolve();\n 379→ await new Promise((resolve) => setTimeout(resolve, 1000));\n 380→ canUseToolCalledResolve();\n 381→\n 382→ return {\n 383→ behavior: 'allow',\n 384→ updatedInput: input,\n 385→ };\n 386→ },\n 387→ debug: false,\n 388→ },\n 389→ });\n 390→\n 391→ try {\n 392→ const loop = async () => {\n 393→ let resultCount = 0;\n 394→ for await (const _message of q) {\n 395→ console.log(JSON.stringify(_message, null, 2));\n 396→ // Consume messages until completion.\n 397→ if (isSDKResultMessage(_message)) {\n 398→ resultCount += 1;\n 399→ if (resultCount === 1) {\n 400→ firstResultResolve();\n 401→ }\n 402→ if (resultCount === 2) {\n 403→ secondResultResolve();\n 404→ break;\n 405→ }\n 406→ }\n 407→ }\n 408→ };\n 409→\n 410→ loop();\n 411→\n 412→ await firstResultPromise;\n 413→ await canUseToolCalledPromise;\n 414→ await secondResultPromise;\n 415→\n 416→ const content = await helper.readFile('test.txt');\n 417→ expect(content).toBe('original content');\n 418→ } finally {\n 419→ await q.close();\n 420→ }\n 421→ });\n 422→ });\n 423→\n 424→ describe('Error Handling and Recovery', () => {\n 425→ it('should handle invalid executable path', async () => {\n 426→ try {\n 427→ const q = query({\n 428→ prompt: 'Hello world',\n 429→ options: {\n 430→ pathToQwenExecutable: '/nonexistent/path/to/cli',\n 431→ debug: false,\n 432→ },\n 433→ });\n 434→\n 435→ // Should not reach here - query() should throw immediately\n 436→ for await (const _message of q) {\n 437→ // Should not reach here\n 438→ }\n 439→\n 440→ // Should not reach here\n 441→ expect(false).toBe(true);\n 442→ } catch (error) {\n 443→ expect(error instanceof Error).toBe(true);\n 444→ expect((error as Error).message).toBeDefined();\n 445→ expect((error as Error).message).toContain(\n 446→ 'Invalid pathToQwenExecutable',\n 447→ );\n 448→ }\n 449→ });\n 450→\n 451→ it('should throw AbortError with correct properties', async () => {\n 452→ const controller = new AbortController();\n 453→\n 454→ const q = query({\n 455→ prompt: 'Explain the concept of async programming',\n 456→ options: {\n 457→ ...SHARED_TEST_OPTIONS,\n 458→ cwd: testDir,\n 459→ abortController: controller,\n 460→ debug: false,\n 461→ },\n 462→ });\n 463→\n 464→ // Abort after allowing query to start\n 465→ setTimeout(() => controller.abort(), 1000);\n 466→\n 467→ try {\n 468→ for await (const _message of q) {\n 469→ // May receive some messages before abort\n 470→ }\n 471→ } catch (error) {\n 472→ // Verify error type and helper functions\n 473→ expect(isAbortError(error)).toBe(true);\n 474→ expect(error instanceof AbortError).toBe(true);\n 475→ expect(error).toBeInstanceOf(Error);\n 476→ expect((error as Error).message).toBeDefined();\n 477→ } finally {\n 478→ await q.close();\n 479→ }\n 480→ });\n 481→ });\n 482→\n 483→ describe('Debugging with stderr callback', () => {\n 484→ it('should capture stderr messages when debug is enabled', async () => {\n 485→ const stderrMessages: string[] = [];\n 486→\n 487→ const q = query({\n 488→ prompt: 'Why do we choose to go to the moon?',\n 489→ options: {\n 490→ ...SHARED_TEST_OPTIONS,\n 491→ cwd: testDir,\n 492→ debug: true,\n 493→ stderr: (msg: string) => {\n 494→ stderrMessages.push(msg);\n 495→ },\n 496→ },\n 497→ });\n 498→\n 499→ try {\n 500→ for await (const message of q) {\n 501→ if (isSDKAssistantMessage(message)) {\n 502→ const textBlocks = message.message.content.filter(\n 503→ (block): block is TextBlock => block.type === 'text',\n 504→ );\n 505→ const text = textBlocks\n 506→ .map((b) => b.text)\n 507→ .join('')\n 508→ .slice(0, 50);\n 509→ expect(text.length).toBeGreaterThan(0);\n 510→ }\n 511→ }\n 512→ } finally {\n 513→ await q.close();\n 514→ expect(stderrMessages.length).toBeGreaterThan(0);\n 515→ }\n 516→ });\n 517→\n 518→ it('should not capture stderr when debug is disabled', async () => {\n 519→ const stderrMessages: string[] = [];\n 520→\n 521→ const q = query({\n 522→ prompt: 'Hello',\n 523→ options: {\n 524→ ...SHARED_TEST_OPTIONS,\n 525→ cwd: testDir,\n 526→ debug: false,\n 527→ stderr: (msg: string) => {\n 528→ stderrMessages.push(msg);\n 529→ },\n 530→ },\n 531→ });\n 532→\n 533→ try {\n 534→ for await (const _message of q) {\n 535→ // Consume all messages\n 536→ }\n 537→ } finally {\n 538→ await q.close();\n 539→ // Should have minimal or no stderr output when debug is false\n 540→ expect(stderrMessages.length).toBeLessThan(10);\n 541→ }\n 542→ });\n 543→ });\n 544→\n 545→ describe('Abort with Cleanup', () => {\n 546→ it('should cleanup properly after abort', async () => {\n 547→ const controller = new AbortController();\n 548→\n 549→ const q = query({\n 550→ prompt: 'Write a very long essay about programming',\n 551→ options: {\n 552→ ...SHARED_TEST_OPTIONS,\n 553→ cwd: testDir,\n 554→ abortController: controller,\n 555→ debug: false,\n 556→ },\n 557→ });\n 558→\n 559→ // Abort immediately\n 560→ setTimeout(() => controller.abort(), 100);\n 561→\n 562→ try {\n 563→ for await (const _message of q) {\n 564→ // May receive some messages before abort\n 565→ }\n 566→ } catch (error) {\n 567→ if (error instanceof AbortError) {\n 568→ expect(true).toBe(true); // Expected abort error\n 569→ } else {\n 570→ throw error; // Unexpected error\n 571→ }\n 572→ } finally {\n 573→ await q.close();\n 574→ expect(true).toBe(true); // Cleanup completed after abort\n 575→ }\n 576→ });\n 577→\n 578→ it('should handle multiple abort calls gracefully', async () => {\n 579→ const controller = new AbortController();\n 580→\n 581→ const q = query({\n 582→ prompt: 'Count to 100',\n 583→ options: {\n 584→ ...SHARED_TEST_OPTIONS,\n 585→ cwd: testDir,\n 586→ abortController: controller,\n 587→ debug: false,\n 588→ },\n 589→ });\n 590→\n 591→ // Multiple abort calls\n 592→ setTimeout(() => controller.abort(), 100);\n 593→ setTimeout(() => controller.abort(), 200);\n 594→ setTimeout(() => controller.abort(), 300);\n 595→\n 596→ try {\n 597→ for await (const _message of q) {\n 598→ // Should be interrupted\n 599→ }\n 600→ } catch (error) {\n 601→ expect(isAbortError(error)).toBe(true);\n 602→ } finally {\n 603→ await q.close();\n 604→ }\n 605→ });\n 606→ });\n 607→\n 608→ describe('Resource Management Edge Cases', () => {\n 609→ it('should handle close() called multiple times', async () => {\n 610→ const q = query({\n 611→ prompt: 'Hello',\n 612→ options: {\n 613→ ...SHARED_TEST_OPTIONS,\n 614→ cwd: testDir,\n 615→ debug: false,\n 616→ },\n 617→ });\n 618→\n 619→ // Start the query\n 620→ const iterator = q[Symbol.asyncIterator]();\n 621→ await iterator.next();\n 622→\n 623→ // Close multiple times\n 624→ await q.close();\n 625→ await q.close();\n 626→ await q.close();\n 627→\n 628→ // Should not throw\n 629→ expect(true).toBe(true);\n 630→ });\n 631→\n 632→ it('should handle abort after close', async () => {\n 633→ const controller = new AbortController();\n 634→\n 635→ const q = query({\n 636→ prompt: 'Hello',\n 637→ options: {\n 638→ ...SHARED_TEST_OPTIONS,\n 639→ cwd: testDir,\n 640→ abortController: controller,\n 641→ debug: false,\n 642→ },\n 643→ });\n 644→\n 645→ // Start and close immediately\n 646→ const iterator = q[Symbol.asyncIterator]();\n 647→ await iterator.next();\n 648→ await q.close();\n 649→\n 650→ // Abort after close\n 651→ controller.abort();\n 652→\n 653→ // Should not throw\n 654→ expect(true).toBe(true);\n 655→ });\n 656→ });\n 657→});\n 658→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
}
]
},
"parent_tool_use_id": "toolu_01JdNyA9CMBoKYnDUMAEoRNM",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "a11a36aa-a4d9-4ade-b232-2e09b4be67e1"
}
[2026-02-15T09:12:54.608Z] [INFO] {
"type": "assistant",
"message": {
"model": "claude-haiku-4-5-20251001",
"id": "msg_01MEaAh2rJEQjsiZLAHq3mWc",
"type": "message",
"role": "assistant",
"content": [
{
"type": "tool_use",
"id": "toolu_01Q8xnLWicC7XVTd6WwBgYBy",
"name": "Read",
"input": {
"file_path": "/tmp/qwen-code/packages/core/src/core/baseLlmClient.ts"
},
"caller": {
"type": "direct"
}
}
],
"stop_reason": null,
"stop_sequence": null,
"usage": {
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"cache_read_input_tokens": 29593,
"cache_creation": {
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"ephemeral_1h_input_tokens": 1609
},
"output_tokens": 1,
"service_tier": "standard",
"inference_geo": "not_available"
},
"context_management": null
},
"parent_tool_use_id": "toolu_01JdNyA9CMBoKYnDUMAEoRNM",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "6e55bbec-d495-4d66-b3e5-f778b0807b9a"
}
[2026-02-15T09:12:54.610Z] [INFO] {
"type": "user",
"message": {
"role": "user",
"content": [
{
"tool_use_id": "toolu_01Q8xnLWicC7XVTd6WwBgYBy",
"type": "tool_result",
"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→import type {\n 8→ Content,\n 9→ GenerateContentConfig,\n 10→ Part,\n 11→ EmbedContentParameters,\n 12→ FunctionDeclaration,\n 13→ Tool,\n 14→ Schema,\n 15→} from '@google/genai';\n 16→import type { Config } from '../config/config.js';\n 17→import type { ContentGenerator } from './contentGenerator.js';\n 18→import { reportError } from '../utils/errorReporting.js';\n 19→import { getErrorMessage } from '../utils/errors.js';\n 20→import { retryWithBackoff } from '../utils/retry.js';\n 21→import { getFunctionCalls } from '../utils/generateContentResponseUtilities.js';\n 22→\n 23→const DEFAULT_MAX_ATTEMPTS = 7;\n 24→\n 25→/**\n 26→ * Options for the generateJson utility function.\n 27→ */\n 28→export interface GenerateJsonOptions {\n 29→ /** The input prompt or history. */\n 30→ contents: Content[];\n 31→ /** The required JSON schema for the output. */\n 32→ schema: Record<string, unknown>;\n 33→ /** The specific model to use for this task. */\n 34→ model: string;\n 35→ /**\n 36→ * Task-specific system instructions.\n 37→ * If omitted, no system instruction is sent.\n 38→ */\n 39→ systemInstruction?: string | Part | Part[] | Content;\n 40→ /**\n 41→ * Overrides for generation configuration (e.g., temperature).\n 42→ */\n 43→ config?: Omit<\n 44→ GenerateContentConfig,\n 45→ | 'systemInstruction'\n 46→ | 'responseJsonSchema'\n 47→ | 'responseMimeType'\n 48→ | 'tools'\n 49→ | 'abortSignal'\n 50→ >;\n 51→ /** Signal for cancellation. */\n 52→ abortSignal: AbortSignal;\n 53→ /**\n 54→ * A unique ID for the prompt, used for logging/telemetry correlation.\n 55→ */\n 56→ promptId?: string;\n 57→ /**\n 58→ * The maximum number of attempts for the request.\n 59→ */\n 60→ maxAttempts?: number;\n 61→}\n 62→\n 63→/**\n 64→ * A client dedicated to stateless, utility-focused LLM calls.\n 65→ */\n 66→export class BaseLlmClient {\n 67→ constructor(\n 68→ private readonly contentGenerator: ContentGenerator,\n 69→ private readonly config: Config,\n 70→ ) {}\n 71→\n 72→ async generateJson(\n 73→ options: GenerateJsonOptions,\n 74→ ): Promise<Record<string, unknown>> {\n 75→ const {\n 76→ contents,\n 77→ schema,\n 78→ model,\n 79→ abortSignal,\n 80→ systemInstruction,\n 81→ promptId,\n 82→ maxAttempts,\n 83→ } = options;\n 84→\n 85→ const requestConfig: GenerateContentConfig = {\n 86→ abortSignal,\n 87→ ...options.config,\n 88→ ...(systemInstruction && { systemInstruction }),\n 89→ };\n 90→\n 91→ // Convert schema to function declaration\n 92→ const functionDeclaration: FunctionDeclaration = {\n 93→ name: 'respond_in_schema',\n 94→ description: 'Provide the response in provided schema',\n 95→ parameters: schema as Schema,\n 96→ };\n 97→\n 98→ const tools: Tool[] = [\n 99→ {\n 100→ functionDeclarations: [functionDeclaration],\n 101→ },\n 102→ ];\n 103→\n 104→ try {\n 105→ const apiCall = () =>\n 106→ this.contentGenerator.generateContent(\n 107→ {\n 108→ model,\n 109→ config: {\n 110→ ...requestConfig,\n 111→ tools,\n 112→ },\n 113→ contents,\n 114→ },\n 115→ promptId ?? '',\n 116→ );\n 117→\n 118→ const result = await retryWithBackoff(apiCall, {\n 119→ maxAttempts: maxAttempts ?? DEFAULT_MAX_ATTEMPTS,\n 120→ });\n 121→\n 122→ const functionCalls = getFunctionCalls(result);\n 123→ if (functionCalls && functionCalls.length > 0) {\n 124→ const functionCall = functionCalls.find(\n 125→ (call) => call.name === 'respond_in_schema',\n 126→ );\n 127→ if (functionCall && functionCall.args) {\n 128→ return functionCall.args as Record<string, unknown>;\n 129→ }\n 130→ }\n 131→ return {};\n 132→ } catch (error) {\n 133→ if (abortSignal.aborted) {\n 134→ throw error;\n 135→ }\n 136→\n 137→ // Avoid double reporting for the empty response case handled above\n 138→ if (\n 139→ error instanceof Error &&\n 140→ error.message === 'API returned an empty response for generateJson.'\n 141→ ) {\n 142→ throw error;\n 143→ }\n 144→\n 145→ await reportError(\n 146→ error,\n 147→ 'Error generating JSON content via API.',\n 148→ contents,\n 149→ 'generateJson-api',\n 150→ );\n 151→ throw new Error(\n 152→ `Failed to generate JSON content: ${getErrorMessage(error)}`,\n 153→ );\n 154→ }\n 155→ }\n 156→\n 157→ async generateEmbedding(texts: string[]): Promise<number[][]> {\n 158→ if (!texts || texts.length === 0) {\n 159→ return [];\n 160→ }\n 161→ const embedModelParams: EmbedContentParameters = {\n 162→ model: this.config.getEmbeddingModel(),\n 163→ contents: texts,\n 164→ };\n 165→\n 166→ const embedContentResponse =\n 167→ await this.contentGenerator.embedContent(embedModelParams);\n 168→ if (\n 169→ !embedContentResponse.embeddings ||\n 170→ embedContentResponse.embeddings.length === 0\n 171→ ) {\n 172→ throw new Error('No embeddings found in API response.');\n 173→ }\n 174→\n 175→ if (embedContentResponse.embeddings.length !== texts.length) {\n 176→ throw new Error(\n 177→ `API returned a mismatched number of embeddings. Expected ${texts.length}, got ${embedContentResponse.embeddings.length}.`,\n 178→ );\n 179→ }\n 180→\n 181→ return embedContentResponse.embeddings.map((embedding, index) => {\n 182→ const values = embedding.values;\n 183→ if (!values || values.length === 0) {\n 184→ throw new Error(\n 185→ `API returned an empty embedding for input text at index ${index}: \"${texts[index]}\"`,\n 186→ );\n 187→ }\n 188→ return values;\n 189→ });\n 190→ }\n 191→}\n 192→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
}
]
},
"parent_tool_use_id": "toolu_01JdNyA9CMBoKYnDUMAEoRNM",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "5a992340-b63a-4467-9377-399a9a5a73be"
}
[2026-02-15T09:12:54.890Z] [INFO] {
"type": "assistant",
"message": {
"model": "claude-haiku-4-5-20251001",
"id": "msg_01MEaAh2rJEQjsiZLAHq3mWc",
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"role": "assistant",
"content": [
{
"type": "tool_use",
"id": "toolu_01GVuEczgLv2VzhmhxDfoKx8",
"name": "Read",
"input": {
"file_path": "/tmp/qwen-code/packages/core/src/core/geminiChat.ts",
"limit": 150
},
"caller": {
"type": "direct"
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}
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"service_tier": "standard",
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"uuid": "c8e337a5-023f-4fce-a577-6377bade8946"
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[2026-02-15T09:12:54.907Z] [INFO] {
"type": "user",
"message": {
"role": "user",
"content": [
{
"tool_use_id": "toolu_01GVuEczgLv2VzhmhxDfoKx8",
"type": "tool_result",
"content": " 1→/**\n 2→ * @license\n 3→ * Copyright 2025 Google LLC\n 4→ * SPDX-License-Identifier: Apache-2.0\n 5→ */\n 6→\n 7→// DISCLAIMER: This is a copied version of https://github.com/googleapis/js-genai/blob/main/src/chats.ts with the intention of working around a key bug\n 8→// where function responses are not treated as \"valid\" responses: https://b.corp.google.com/issues/420354090\n 9→\n 10→import type {\n 11→ GenerateContentResponse,\n 12→ Content,\n 13→ GenerateContentConfig,\n 14→ SendMessageParameters,\n 15→ Part,\n 16→ Tool,\n 17→ GenerateContentResponseUsageMetadata,\n 18→} from '@google/genai';\n 19→import { createUserContent } from '@google/genai';\n 20→import { getErrorStatus, retryWithBackoff } from '../utils/retry.js';\n 21→import { createDebugLogger } from '../utils/debugLogger.js';\n 22→import { parseAndFormatApiError } from '../utils/errorParsing.js';\n 23→import { isRateLimitError, type RetryInfo } from '../utils/rateLimit.js';\n 24→import type { Config } from '../config/config.js';\n 25→import { hasCycleInSchema } from '../tools/tools.js';\n 26→import type { StructuredError } from './turn.js';\n 27→import {\n 28→ logContentRetry,\n 29→ logContentRetryFailure,\n 30→} from '../telemetry/loggers.js';\n 31→import { type ChatRecordingService } from '../services/chatRecordingService.js';\n 32→import {\n 33→ ContentRetryEvent,\n 34→ ContentRetryFailureEvent,\n 35→} from '../telemetry/types.js';\n 36→import { uiTelemetryService } from '../telemetry/uiTelemetry.js';\n 37→\n 38→const debugLogger = createDebugLogger('QWEN_CODE_CHAT');\n 39→\n 40→export enum StreamEventType {\n 41→ /** A regular content chunk from the API. */\n 42→ CHUNK = 'chunk',\n 43→ /** A signal that a retry is about to happen. The UI should discard any partial\n 44→ * content from the attempt that just failed. */\n 45→ RETRY = 'retry',\n 46→}\n 47→\n 48→export type StreamEvent =\n 49→ | { type: StreamEventType.CHUNK; value: GenerateContentResponse }\n 50→ | { type: StreamEventType.RETRY; retryInfo?: RetryInfo };\n 51→\n 52→/**\n 53→ * Options for retrying due to invalid content from the model.\n 54→ */\n 55→interface ContentRetryOptions {\n 56→ /** Total number of attempts to make (1 initial + N retries). */\n 57→ maxAttempts: number;\n 58→ /** The base delay in milliseconds for linear backoff. */\n 59→ initialDelayMs: number;\n 60→}\n 61→\n 62→const INVALID_CONTENT_RETRY_OPTIONS: ContentRetryOptions = {\n 63→ maxAttempts: 2, // 1 initial call + 1 retry\n 64→ initialDelayMs: 500,\n 65→};\n 66→\n 67→/**\n 68→ * Options for retrying on rate-limit throttling errors returned as stream content.\n 69→ * Fixed 60s delay matches the DashScope per-minute quota window.\n 70→ * 10 retries aligns with Claude Code's retry behavior.\n 71→ */\n 72→const RATE_LIMIT_RETRY_OPTIONS = {\n 73→ maxRetries: 10,\n 74→ delayMs: 60000,\n 75→};\n 76→\n 77→/**\n 78→ * Returns true if the response is valid, false otherwise.\n 79→ *\n 80→ * The DashScope provider may return the last 2 chunks as:\n 81→ * 1. A choice(candidate) with finishReason and empty content\n 82→ * 2. Empty choices with usage metadata\n 83→ * We'll check separately for both of these cases.\n 84→ */\n 85→function isValidResponse(response: GenerateContentResponse): boolean {\n 86→ if (response.usageMetadata) {\n 87→ return true;\n 88→ }\n 89→\n 90→ if (response.candidates === undefined || response.candidates.length === 0) {\n 91→ return false;\n 92→ }\n 93→\n 94→ if (response.candidates.some((candidate) => candidate.finishReason)) {\n 95→ return true;\n 96→ }\n 97→\n 98→ const content = response.candidates[0]?.content;\n 99→ return content !== undefined && isValidContent(content);\n 100→}\n 101→\n 102→export function isValidNonThoughtTextPart(part: Part): boolean {\n 103→ return (\n 104→ typeof part.text === 'string' &&\n 105→ !part.thought &&\n 106→ !part.thoughtSignature &&\n 107→ // Technically, the model should never generate parts that have text and\n 108→ // any of these but we don't trust them so check anyways.\n 109→ !part.functionCall &&\n 110→ !part.functionResponse &&\n 111→ !part.inlineData &&\n 112→ !part.fileData\n 113→ );\n 114→}\n 115→\n 116→function isValidContent(content: Content): boolean {\n 117→ if (content.parts === undefined || content.parts.length === 0) {\n 118→ return false;\n 119→ }\n 120→ for (const part of content.parts) {\n 121→ if (part === undefined || Object.keys(part).length === 0) {\n 122→ return false;\n 123→ }\n 124→ if (!isValidContentPart(part)) {\n 125→ return false;\n 126→ }\n 127→ }\n 128→ return true;\n 129→}\n 130→\n 131→function isValidContentPart(part: Part): boolean {\n 132→ const isInvalid =\n 133→ !part.thought &&\n 134→ !part.thoughtSignature &&\n 135→ part.text !== undefined &&\n 136→ part.text === '' &&\n 137→ part.functionCall === undefined;\n 138→\n 139→ return !isInvalid;\n 140→}\n 141→\n 142→/**\n 143→ * Validates the history contains the correct roles.\n 144→ *\n 145→ * @throws Error if the history does not start with a user turn.\n 146→ * @throws Error if the history contains an invalid role.\n 147→ */\n 148→function validateHistory(history: Content[]) {\n 149→ for (const content of history) {\n 150→ if (content.role !== 'user' && content.role !== 'model') {\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
}
]
},
"parent_tool_use_id": "toolu_01JdNyA9CMBoKYnDUMAEoRNM",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e",
"uuid": "3f3f4510-eea6-4c1f-bb6f-dc5f47cc699d"
}
[2026-02-15T09:12:55.269Z] [INFO] {
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"model": "claude-haiku-4-5-20251001",
"id": "msg_01VyGVSqFbFodMc7RbiYsKYU",
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"role": "assistant",
"content": [
{
"type": "tool_use",
"id": "toolu_01KEEavaSrKPN6Ya59sC16ad",
"name": "Grep",
"input": {
"pattern": "timeout|deadline|AbortSignal|AbortController",
"path": "/tmp/gemini-cli/packages/core/src/core",
"type": "ts",
"output_mode": "files_with_matches",
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"type": "direct"
}
}
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"ephemeral_1h_input_tokens": 3251
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"service_tier": "standard",
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"parent_tool_use_id": "toolu_01QkmgRUtBe5dBPbVeUaCt3e",
"session_id": "7247b807-4b7e-4565-aeca-1df39746467e
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