Browser-based HTML test runner with TAP output for testing Declarative Shadow DOM and enhance-dsd generated HTML.
- ✅ Zero external dependencies - Uses only Node.js built-ins
- ✅ TAP v13 output - Compatible with standard TAP consumers
- ✅ Browser & CI support - Works in both interactive and headless modes
- ✅ Native DOM testing - Test real Declarative Shadow DOM in the browser