docs(05-02): complete calendar strip UI plan

- 05-02-SUMMARY.md: calendar strip UI widgets delivered, 1 auto-fix (test migration)
- STATE.md: Phase 5 complete, 2/2 plans done, decisions recorded
- ROADMAP.md: Phase 5 marked complete (2/2 plans)
- REQUIREMENTS.md: CAL-01, CAL-03, CAL-04 marked complete

.planning/REQUIREMENTS.md

@@ -9,10 +9,10 @@ Requirements for milestone v1.1 Calendar & Polish. Each maps to roadmap phases.
 
 ### Calendar UI
 
-- [ ] **CAL-01**: User sees a horizontal scrollable date-strip with day abbreviation (Mo, Di...) and date number per card
+- [x] **CAL-01**: User sees a horizontal scrollable date-strip with day abbreviation (Mo, Di...) and date number per card
 - [x] **CAL-02**: User can tap a day card to see that day's tasks in a list below the strip
-- [ ] **CAL-03**: User sees a subtle color shift at month boundaries for visual orientation
-- [ ] **CAL-04**: Calendar strip auto-scrolls to today on app launch
+- [x] **CAL-03**: User sees a subtle color shift at month boundaries for visual orientation
+- [x] **CAL-04**: Calendar strip auto-scrolls to today on app launch
 - [x] **CAL-05**: Undone tasks carry over to the next day with a red/orange color accent marking them as overdue
 
 ### Task History
@@ -60,10 +60,10 @@ Which phases cover which requirements. Updated during roadmap creation.
 
 | Requirement | Phase | Status |
 |-------------|-------|--------|
-| CAL-01 | Phase 5 | Pending |
+| CAL-01 | Phase 5 | Complete |
 | CAL-02 | Phase 5 | Complete |
-| CAL-03 | Phase 5 | Pending |
-| CAL-04 | Phase 5 | Pending |
+| CAL-03 | Phase 5 | Complete |
+| CAL-04 | Phase 5 | Complete |
 | CAL-05 | Phase 5 | Complete |
 | HIST-01 | Phase 6 | Pending |
 | HIST-02 | Phase 6 | Pending |