docs(16-06): complete image hygiene CI assertions plan

.planning/STATE.md

@@ -2,16 +2,16 @@
 gsd_state_version: 1.0
 milestone: v1.1
 milestone_name: Operability & Polish
-status: executing
+status: verifying
 stopped_at: Completed 16-05-PLAN.md
-last_updated: "2026-06-13T12:24:49.646Z"
+last_updated: "2026-06-13T12:28:27.751Z"
 last_activity: 2026-06-13 -- Phase 16 execution started
 progress:
   total_phases: 19
-  completed_phases: 6
+  completed_phases: 7
   total_plans: 23
-  completed_plans: 22
-  percent: 32
+  completed_plans: 23
+  percent: 37
 ---
 
 # Project State
@@ -27,7 +27,7 @@ See: .planning/PROJECT.md (updated 2026-06-10)
 
 Phase: 16 (ci-dependency-audit-and-security-checks) — EXECUTING
 Plan: 6 of 6
-Status: Ready to execute
+Status: Phase complete — ready for verification
 Last activity: 2026-06-13 -- Phase 16 execution started
 
 ### Deferred Checkpoint — Phase 15 Plan 15-03 Task 2 (human-action)
@@ -241,7 +241,7 @@ Recent decisions affecting current work:
 
 ## Session Continuity
 
-Last session: 2026-06-13T12:24:49.635Z
+Last session: 2026-06-13T12:28:17.736Z
 Stopped at: Completed 16-05-PLAN.md
 Resume file: None