diff --git a/.planning/STATE.md b/.planning/STATE.md
index a17be3b..7c20b3b 100644
--- a/.planning/STATE.md
+++ b/.planning/STATE.md
@@ -4,11 +4,10 @@ milestone: v1.1
 milestone_name: Operability & Polish
 current_phase: 18
 current_phase_name: Auto timezone detection and ability to change timezone
-status: executing
+status: "Phase 17 shipped — PR #24"
 stopped_at: Phase 17 UI-SPEC approved
-last_updated: "2026-06-18T17:11:30.158Z"
+last_updated: "2026-06-18T19:19:22.951Z"
 last_activity: 2026-06-18
-last_activity_desc: Phase 17 complete, transitioned to Phase 18
 progress:
   total_phases: 26
   completed_phases: 12
@@ -30,8 +29,8 @@ See: .planning/PROJECT.md (updated 2026-06-16)
 
 Phase: 18 — Auto timezone detection and ability to change timezone
 Plan: Not started
-Status: Executing Phase 17
-Last activity: 2026-06-18 — Phase 17 complete, transitioned to Phase 18
+Status: Phase 17 shipped — PR #24
+Last activity: 2026-06-18
 
 ### ✅ Resolved Checkpoint — Phase 15 Plan 15-03 Task 2 (human-action)