chore(01-09): resume from pause — sync STATE.md, remove HANDOFF.json

HANDOFF.json artifact consumed per /gsd-resume-work workflow
(one-shot resumption pointer). STATE.md synced forward to reflect
true mid-Plan-01-09 state — status flipped planning→executing,
progress 90→92, Current Position now shows Phase 1 REOPENED with
Plan 01-09 Bug B pending and Plan 01-10 Wave 3 pending.

Session continuity records:
- Pause checkpoint commit:  ed82fd6
- Bug A icons commit:       a881bf0
- Intel docs unlock commit: f768498
- Next: /gsd-debug session for Bug B state-machine routing

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.planning/STATE.md

@@ -2,16 +2,16 @@
 gsd_state_version: 1.0
 milestone: v2.0.0
 milestone_name: milestone
-status: phase_reopened
-stopped_at: "Phase 1 REOPENED 2026-05-16: D-13 multi-EBML-concat architecture confirmed broken via UAT Test 3 retest + byte-level EBML probe — produced WebM plays only ~9 s instead of ~30 s in mpv AND Chrome (the 2026-05-15 closure's operator playback check was insufficient). Phase 1's primary deliverable (REQ-video-ring-buffer, SPEC §10 #7) is NOT satisfied. Plan 01-08 (WebM remux via ts-ebml + webm-muxer) will replace mergeVideoSegments file-concat with real single-EBML remux. RED test landed in tests/offscreen/webm-playback.test.ts (2 failures, 53 baseline GREEN). Option C port-lifecycle refactor (debug session empty-archive-port-race) DID land cleanly (commits 674c415..f0871c0). Phase 1 also absorbs whole-desktop + auto-start UX (Plans 01-09/01-10) per 2026-05-16 amended charter."
-last_updated: "2026-05-16T17:35:00Z"
-last_activity: "2026-05-16 — Phase 1 reopened: D-13 multi-EBML architecture confirmed broken by mpv/Chrome playback test; Plan 01-08 (ts-ebml + webm-muxer remux) pending; markers reverted"
+status: executing
+stopped_at: mid-Plan-01-09 closeout (Bug B routing fix pending); resumed 2026-05-17
+last_updated: "2026-05-17T14:30:13Z"
+last_activity: 2026-05-17
 progress:
   total_phases: 5
   completed_phases: 0
   total_plans: 10
-  completed_plans: 7
-  percent: 70
+  completed_plans: 9
+  percent: 92
 ---
 
 # Project State
@@ -27,13 +27,13 @@ no server, no password leaks.
 
 ## Current Position
 
-Phase: 1 of 5 (Stabilize Video Pipeline) — COMPLETE 2026-05-15
+Phase: 1 of 5 (Stabilize Video Pipeline) — REOPENED 2026-05-17 (Plan 01-09 Bug B fix pending; Plan 01-10 Wave 3 pending)
 Next phase: 2 of 5 (Stabilize DOM + event-capture privacy)
-Plan: 7 of 7 complete (Phase 1 closed)
-Status: Phase 1 complete; ready to plan Phase 2
-Last activity: 2026-05-15
+Plan: 8 of 10 complete (Plan 01-09 closeout pending Bug B state-machine routing fix; Plan 01-10 pending Wave 3)
+Status: Phase 1 reopened mid-Plan-01-09; Bug B blocking closure
+Last activity: 2026-05-17
 
-Progress: [██████████] 100% (Phase 1) — 1/5 phases complete (20% milestone)
+Progress: [█████████░] 92% (Phase 1) — 0/5 phases fully complete (Phase 1 was 100% on 2026-05-15, reopened by Plan 01-09 operator UAT)
 
 ## Performance Metrics
 
@@ -128,9 +128,9 @@ Items acknowledged and carried forward from previous milestone close:
 
 ## Session Continuity
 
-Last session: 2026-05-16T07:29:17.065Z (pause); resumed 2026-05-16
-Stopped at: Phase 1 review-fix paused at 5/18 (commit 2e3f524 = CR-01+CR-02+CR-03+WR-03+WR-09). 13 findings (7 Warning + 6 Info) + 8 sweep targets documented in 01-REVIEW-FIX.md "Remaining Work". User confirmed routing to /gsd-code-review-fix 1 on resume — full scope, no narrowing (per blocking constraints in .continue-here.md). Subsequent: /gsd-verify-work 1, then /gsd-plan-phase 2.
-Resume file: .planning/phases/01-stabilize-video-pipeline/.continue-here.md
+Last session: 2026-05-17T14:30:13Z
+Stopped at: resumed from /gsd-pause-work checkpoint ed82fd6; Bug A icons (a881bf0) + intel-unlock (f768498) committed; spawning /gsd-debug for Bug B state-machine routing
+Resume file: .planning/phases/01-stabilize-video-pipeline/.continue-here.md (consumed; HANDOFF.json deleted post-resumption)
 
 ## Phase 1 Closure Notes