docs(12): ship phase 12 — PR #22

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

.planning/STATE.md

@@ -2,9 +2,9 @@
 gsd_state_version: 1.0
 milestone: v1.1
 milestone_name: Operability & Polish
-status: executing
-stopped_at: Phase 12 (initial-setup-wizard) complete — UAT re-verified, all 6 gaps closed; ready to execute Phase 13
-last_updated: "2026-06-16T20:16:24.590Z"
+status: "Phase 12 shipped — PR #22"
+stopped_at: Completed 12-06-PLAN.md (UAT gaps 2+3 closed)
+last_updated: "2026-06-16T20:24:41.714Z"
 last_activity: 2026-06-16
 progress:
   total_phases: 24
@@ -27,7 +27,7 @@ See: .planning/PROJECT.md (updated 2026-06-16)
 
 Phase: 13
 Plan: Not started
-Status: Ready to execute
+Status: Phase 12 shipped — PR #22
 Last activity: 2026-06-16
 
 ### ✅ Resolved Checkpoint — Phase 15 Plan 15-03 Task 2 (human-action)