docs(05-04): complete calendar frontend plan

.planning/STATE.md

@@ -4,14 +4,14 @@ milestone: v1.0
 milestone_name: milestone
 status: executing
 stopped_at: Completed 05-03-PLAN.md
-last_updated: "2026-06-24T13:16:25Z"
-last_activity: 2026-06-24 -- Calendar backend complete
+last_updated: "2026-06-24T13:28:10.956Z"
+last_activity: 2026-06-24 -- Calendar backend complete (Plan 03)
 progress:
   total_phases: 6
   completed_phases: 3
   total_plans: 21
-  completed_plans: 18
-  percent: 86
+  completed_plans: 19
+  percent: 50
 ---
 
 # Project State
@@ -26,7 +26,7 @@ See: .planning/PROJECT.md (updated 2026-06-18)
 ## Current Position
 
 Phase: 05 (dashboard-calendar) — EXECUTING
-Plan: 4 of 5
+Plan: 5 of 5
 Status: Ready to execute
 Last activity: 2026-06-24 -- Calendar backend complete (Plan 03)
 
@@ -57,6 +57,7 @@ Progress: [████████░░] 86%
 | Phase 05-dashboard-calendar P01 | 14min | 4 tasks | 28 files |
 | Phase 05-dashboard-calendar P02 | 4min | 4 tasks | 16 files |
 | Phase 05-dashboard-calendar P03 | 11min | 4 tasks | 14 files |
+| Phase 05-dashboard-calendar PP04 | 5min | 2 tasks | 11 files |
 
 ## Accumulated Context
 
@@ -84,6 +85,9 @@ Recent decisions affecting current work:
 - [05-03]: Dynamic imports for ews-javascript-api and @microsoft/microsoft-graph-client (lazy-load)
 - [05-03]: In-memory Map cache with 5-min TTL for calendar events (Redis not needed at current scale)
 - [05-03]: ews-javascript-api imported as any (no TypeScript definitions available)
+- [Phase ?]: Optimistic UI for calendar visibility toggle — reverts on API error
+- [Phase ?]: Auto-run testSource after adding new calendar source for immediate feedback
+- [Phase ?]: URL constructor for client-side https-only validation (T-05-14)
 
 ### Pending Todos
 
@@ -103,6 +107,6 @@ Items acknowledged and carried forward from previous milestone close:
 
 ## Session Continuity
 
-Last session: 2026-06-24T13:16:25Z
+Last session: 2026-06-24T13:27:57.769Z
 Stopped at: Completed 05-03-PLAN.md
 Resume file: None