docs(phase-17): mark phase complete (pending human verification)

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

.planning/STATE.md

@@ -2,19 +2,19 @@
 gsd_state_version: 1.0
 milestone: v1.1
 milestone_name: Operability & Polish
-current_phase: 17
-current_phase_name: ui-optimization-polish
+current_phase: 18
+current_phase_name: Auto timezone detection and ability to change timezone
 status: executing
 stopped_at: Phase 17 UI-SPEC approved
-last_updated: "2026-06-18T16:09:11.585Z"
+last_updated: "2026-06-18T17:11:30.158Z"
 last_activity: 2026-06-18
-last_activity_desc: Phase 17 execution started
+last_activity_desc: Phase 17 complete, transitioned to Phase 18
 progress:
   total_phases: 26
-  completed_phases: 11
+  completed_phases: 12
   total_plans: 55
-  completed_plans: 48
-  percent: 42
+  completed_plans: 54
+  percent: 46
 ---
 
 # Project State
@@ -28,10 +28,10 @@ See: .planning/PROJECT.md (updated 2026-06-16)
 
 ## Current Position
 
-Phase: 17 (ui-optimization-polish) — EXECUTING
-Plan: 1 of 6
+Phase: 18 — Auto timezone detection and ability to change timezone
+Plan: Not started
 Status: Executing Phase 17
-Last activity: 2026-06-18 — Phase 17 execution started
+Last activity: 2026-06-18 — Phase 17 complete, transitioned to Phase 18
 
 ### ✅ Resolved Checkpoint — Phase 15 Plan 15-03 Task 2 (human-action)
 
@@ -41,7 +41,7 @@ Done 2026-06-12. Gitea branch protection on `main` now requires EXACTLY `CI / fa
 
 **Velocity:**
 
-- Total plans completed: 60
+- Total plans completed: 66
 - Average duration: -
 - Total execution time: 0 hours
 
@@ -61,6 +61,7 @@ Done 2026-06-12. Gitea branch protection on `main` now requires EXACTLY `CI / fa
 | 11 | 5 | - | - |
 | 12 | 7 | - | - |
 | 19 | 5 | - | - |
+| 17 | 6 | - | - |
 
 **Recent Trend:**