diff --git a/conductor/tracks/rrule_generic_formatter_20260219/plan.md b/conductor/tracks/rrule_generic_formatter_20260219/plan.md
index 5856662..a039c1e 100644
--- a/conductor/tracks/rrule_generic_formatter_20260219/plan.md
+++ b/conductor/tracks/rrule_generic_formatter_20260219/plan.md
@@ -6,14 +6,14 @@
     - [x] Run the test and confirm it fails with `SyntaxError: Invalid weekday string: [object Object]`.
 - [x] Task: Conductor - User Manual Verification 'Reproduction & Test Setup' (Protocol in workflow.md)
 
-## Phase 2: Implementation
+## Phase 2: Implementation [checkpoint: 7d1fa9f]
 - [x] Task: Implement Recursive Formatter 115a165
     - [x] Update `formatRRuleValue` in `icalendar.ts` to be a recursive function.
     - [x] Handle Arrays by joining elements with commas.
     - [x] Handle `Date` objects using the existing iCal format.
     - [x] Handle property objects (extract `date`, `day`, or `value` properties).
     - [x] Run the reproduction test to confirm it passes.
-- [ ] Task: Conductor - User Manual Verification 'Implementation' (Protocol in workflow.md)
+- [x] Task: Conductor - User Manual Verification 'Implementation' (Protocol in workflow.md)
 
 ## Phase 3: Verification & Cleanup
 - [ ] Task: Composite and Regression Testing