diff --git a/conductor/tracks/fix_rrule_until_conversion_20260219/plan.md b/conductor/tracks/fix_rrule_until_conversion_20260219/plan.md
index 89c356f..a1dd8da 100644
--- a/conductor/tracks/fix_rrule_until_conversion_20260219/plan.md
+++ b/conductor/tracks/fix_rrule_until_conversion_20260219/plan.md
@@ -14,6 +14,6 @@
 - [x] Task: Conductor - User Manual Verification 'Fix Implementation' (Protocol in workflow.md)
 
 ## Phase 3: Verification & Cleanup
-- [ ] Task: Full Regression Check
-    - [ ] Run all tests in `icalendar_test.ts`.
+- [x] Task: Full Regression Check d090334
+    - [x] Run all tests in `icalendar_test.ts`.
 - [ ] Task: Conductor - User Manual Verification 'Verification & Cleanup' (Protocol in workflow.md)