diff --git a/conductor/tracks/timezone_rrule_20260218/plan.md b/conductor/tracks/timezone_rrule_20260218/plan.md
index 9936868..d4f42e5 100644
--- a/conductor/tracks/timezone_rrule_20260218/plan.md
+++ b/conductor/tracks/timezone_rrule_20260218/plan.md
@@ -30,11 +30,11 @@
     - [x] Update sync logic to filter based on iCalendar status
 - [x] Task: Conductor - User Manual Verification 'Phase 3: Features' (Protocol in workflow.md)
 
-## Phase 4: Cleanup & Configuration
-- [ ] Task: Remove obsolete configuration
-    - [ ] Write failing tests verifying `tzShift` is ignored/deprecated
-    - [ ] Remove `tzShift` and `hourShift` from `getSources` and `fetchAndParseCalendar`
-- [ ] Task: Add `syncWindowDays` configuration
-    - [ ] Write failing tests for configurable expansion window
-    - [ ] Implement `syncWindowDays` in config and sync logic
-- [ ] Task: Conductor - User Manual Verification 'Phase 4: Cleanup & Configuration' (Protocol in workflow.md)
+## Phase 4: Cleanup & Configuration [checkpoint: 533c240]
+- [x] Task: Remove obsolete configuration
+    - [x] Write failing tests verifying `tzShift` is ignored/deprecated
+    - [x] Remove `tzShift` and `hourShift` from `getSources` and `fetchAndParseCalendar`
+- [x] Task: Add `syncWindowDays` configuration
+    - [x] Write failing tests for configurable expansion window
+    - [x] Implement `syncWindowDays` in config and sync logic
+- [x] Task: Conductor - User Manual Verification 'Phase 4: Cleanup & Configuration' (Protocol in workflow.md)