docs(06): record planning complete + annotate roadmap

.planning/STATE.md

@@ -2,10 +2,10 @@
 gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
-status: verifying
+status: executing
 stopped_at: Phase 06 UI-SPEC approved
-last_updated: "2026-06-10T13:46:18.218Z"
-last_activity: 2026-06-10
+last_updated: "2026-06-10T14:37:02.111Z"
+last_activity: 2026-06-10 -- Phase 06 planning complete
 progress:
   total_phases: 15
   completed_phases: 5
@@ -27,8 +27,8 @@ See: .planning/PROJECT.md (updated 2026-06-07)
 
 Phase: 05 (web-push-notifications) — EXECUTING
 Plan: 8 of 8
-Status: Phase complete — ready for verification
-Last activity: 2026-06-10
+Status: Ready to execute
+Last activity: 2026-06-10 -- Phase 06 planning complete
 
 Progress: [█████████░] 89%