diff --git a/conductor/tracks/test_stabilization_20260302/plan.md b/conductor/tracks/test_stabilization_20260302/plan.md
index 91c7695..55a936b 100644
--- a/conductor/tracks/test_stabilization_20260302/plan.md
+++ b/conductor/tracks/test_stabilization_20260302/plan.md
@@ -33,7 +33,7 @@
 - [ ] Task: Conductor - User Manual Verification 'Phase 2: Asyncio & Logging' (Protocol in workflow.md)
 
 ## Phase 3: Assertion Implementation & Legacy Cleanup
-- [ ] Task: Replace `pytest.fail` with Functional Assertions (`api_events`, `execution_engine`)
+- [x] Task: Replace `pytest.fail` with Functional Assertions (`api_events`, `execution_engine`) [194626e]
     - [ ] WHERE: `tests/test_api_events.py:40`, `tests/test_execution_engine.py:45`.
     - [ ] WHAT: Implement actual `assert` statements testing the mock calls and status updates.
     - [ ] HOW: Use `MagicMock.assert_called_with` and check `ticket.status == "completed"`.