docs(phase-12): reconcile roadmap/state after merging origin/main; begin phase 12 execution

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.planning/STATE.md

@@ -2,16 +2,16 @@
 gsd_state_version: 1.0
 milestone: v1.1
 milestone_name: Operability & Polish
-status: "Phase 18 shipped — PR #21"
+status: executing
 stopped_at: Phase 18 Plan 03 complete — broker rewire done; plan 4 of 4 is next
-last_updated: "2026-06-15T13:15:22.076Z"
-last_activity: 2026-06-15
+last_updated: "2026-06-15T17:31:15.247Z"
+last_activity: 2026-06-15 -- Phase 12 execution started
 progress:
-  total_phases: 23
-  completed_phases: 9
-  total_plans: 37
+  total_phases: 24
+  completed_phases: 10
+  total_plans: 40
   completed_plans: 36
-  percent: 39
+  percent: 42
 ---
 
 # Project State
@@ -21,14 +21,14 @@ progress:
 See: .planning/PROJECT.md (updated 2026-06-10)
 
 **Core value:** One color-coded family calendar (shared + personal) and shared lists from a single low-friction PWA — cross-ecosystem, no app store
-**Current focus:** Phase 18 — auto-timezone-detection-and-ability-to-change-timezone
+**Current focus:** Phase 12 — initial-setup-wizard
 
 ## Current Position
 
-Phase: 18 — COMPLETE
-Plan: 4 of 4
-Status: Phase 18 shipped — PR #21
-Last activity: 2026-06-15
+Phase: 12 (initial-setup-wizard) — EXECUTING
+Plan: 1 of 4
+Status: Executing Phase 12
+Last activity: 2026-06-15 -- Phase 12 execution started
 
 ### ✅ Resolved Checkpoint — Phase 15 Plan 15-03 Task 2 (human-action)