# Progress — Challenger 2 (Milestone M3 Iteration 2 Gate Verification)

- **Status**: Verification Complete — Authoring Handoff
- **Last visited**: 2026-10-09T06:57:15Z
- **Current Step**: Authoring handoff.md with APPROVE verdict

## Steps:
- [x] Read mandatory documentation (ORIGINAL_REQUEST, PROJECT, worker handoff, DISPATCH)
- [x] Create BRIEFING.md and progress.md
- [x] Challenge 1: Audio Guard Exhaustive Probe across all 192 prompts in both files (192/192 Canonical, 0 non-canonical)
- [x] Challenge 2: Dynamic Synthetic Video Probe (run_shot dry_run max_diff=12.507, is_frozen=False, score=1.00, action='APPROVE', batch_render_scene multi-shot completed)
- [x] Challenge 3: Scene Gate Concat Hole Closure verification (100% blocked on approved=False across all actions)
- [x] Regression Testing across all suites (168 tests, 100% PASS)
- [ ] Compile and author handoff.md with definitive verdict (APPROVE)
- [ ] Send completion message to parent orchestrator