docs(phase-09): complete phase execution

.planning/STATE.md

@@ -4,14 +4,14 @@ milestone: v1.1
 milestone_name: Operability & Polish
 status: executing
 stopped_at: Phase 9 context gathered
-last_updated: "2026-06-12T20:54:10.373Z"
-last_activity: 2026-06-12 -- Phase 09 execution started
+last_updated: "2026-06-12T21:08:34.135Z"
+last_activity: 2026-06-12
 progress:
   total_phases: 18
-  completed_phases: 5
+  completed_phases: 6
   total_plans: 17
-  completed_plans: 16
-  percent: 28
+  completed_plans: 17
+  percent: 33
 ---
 
 # Project State
@@ -25,10 +25,10 @@ See: .planning/PROJECT.md (updated 2026-06-10)
 
 ## Current Position
 
-Phase: 09 (faster-write-back) — EXECUTING
-Plan: 2 of 2
+Phase: 13
+Plan: Not started
 Status: Ready to execute
-Last activity: 2026-06-12 -- Phase 09 execution started
+Last activity: 2026-06-12
 
 ### Deferred Checkpoint — Phase 15 Plan 15-03 Task 2 (human-action)
 
@@ -47,7 +47,7 @@ Resume: after the operator completes the change, re-run `/gsd-execute-phase 15`
 
 **Velocity:**
 
-- Total plans completed: 31
+- Total plans completed: 33
 - Average duration: -
 - Total execution time: 0 hours
 
@@ -61,6 +61,7 @@ Resume: after the operator completes the change, re-run `/gsd-execute-phase 15`
 | 13 | 3 | - | - |
 | 14 | 1 | - | - |
 | 15 | 3 | - | - |
+| 09 | 2 | - | - |
 
 **Recent Trend:**