diff --git a/conductor/tracks/rrule_generic_formatter_20260219/plan.md b/conductor/tracks/rrule_generic_formatter_20260219/plan.md
index f59c822..4702a21 100644
--- a/conductor/tracks/rrule_generic_formatter_20260219/plan.md
+++ b/conductor/tracks/rrule_generic_formatter_20260219/plan.md
@@ -1,10 +1,10 @@
 # Implementation Plan - Generic RRULE Formatter
 
-## Phase 1: Reproduction & Test Setup
+## Phase 1: Reproduction & Test Setup [checkpoint: b41f78c]
 - [x] Task: Create reproduction test case for `BYDAY` object cfab0c3
     - [x] Add a test in `icalendar_test.ts` mocking a `BYDAY` property as an array of objects (e.g. `[{ day: 'MO' }]`).
     - [x] Run the test and confirm it fails with `SyntaxError: Invalid weekday string: [object Object]`.
-- [ ] Task: Conductor - User Manual Verification 'Reproduction & Test Setup' (Protocol in workflow.md)
+- [x] Task: Conductor - User Manual Verification 'Reproduction & Test Setup' (Protocol in workflow.md)
 
 ## Phase 2: Implementation
 - [ ] Task: Implement Recursive Formatter