docs(state): record phase 6 context session

.planning/STATE.md

@@ -3,15 +3,15 @@ gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
 status: executing
-stopped_at: Completed 05-03-PLAN.md
-last_updated: "2026-06-24T13:28:10.956Z"
+stopped_at: Phase 6 context gathered
+last_updated: "2026-06-25T06:35:35.767Z"
 last_activity: 2026-06-24 -- Calendar backend complete (Plan 03)
 progress:
   total_phases: 6
-  completed_phases: 3
+  completed_phases: 4
   total_plans: 21
-  completed_plans: 19
-  percent: 50
+  completed_plans: 20
+  percent: 67
 ---
 
 # Project State
@@ -107,6 +107,6 @@ Items acknowledged and carried forward from previous milestone close:
 
 ## Session Continuity
 
-Last session: 2026-06-24T13:27:57.769Z
-Stopped at: Completed 05-03-PLAN.md
-Resume file: None
+Last session: 2026-06-25T06:35:35.760Z
+Stopped at: Phase 6 context gathered
+Resume file: .planning/phases/06-desktop-client-ci-cd/06-CONTEXT.md