single-node-chaos-hardening v10: remove mem_toleration artificial blocker from grader

chaos-grader-v10-mem-toleration-removal.patch

--- /tmp/task-download/single-node-chaos-hardening/grader.py	2026-02-13 13:36:32.569022191 -0700
+++ /home/dylan/dev/Nebula/tasks/single-node-chaos-hardening/grader.py	2026-02-13 14:17:17.945132597 -0700
@@ -242,9 +242,6 @@
         "priority_ok": priority_value > min_priority_value,
         "priority_value": priority_value,
         "priority_class": pc_name,
-        "mem_toleration": any(
-            t.get("key") == "node.kubernetes.io/memory-pressure" for t in tolerations
-        ),
         "node_affinity": "nodeAffinity" in affinity,
     }
 
@@ -264,11 +261,10 @@
         return {"all_ok": False, "feedback": ["Bleater unavailable: no running pods"]}
 
     prim = check_primitives(running_pods[0])
-    if not (prim["priority_ok"] and prim["mem_toleration"] and prim["node_affinity"]):
+    if not (prim["priority_ok"] and prim["node_affinity"]):
         feedback.append(
             "Bleater scheduling primitives incorrect "
             f"(priority_value={prim['priority_value']}, "
-            f"mem_toleration={prim['mem_toleration']}, "
             f"node_affinity={prim['node_affinity']})"
         )
         all_ok = False