# BRIEFING — 2026-10-09T05:52:00Z

## Mission
Investigate and audit Ep01 10-Scene Production Pipeline readiness, start frame availability, critic gate integration, audio guard enforcement, and formulate the implementation plan for Milestone M3.

## 🔒 My Identity
- Archetype: explorer
- Roles: investigator, synthesizer
- Working directory: c:\Projects\KieuStory\.agents\teamwork\explorer_m3_1
- Original parent: 97faf5e5-a830-491c-b78c-2af12175badf
- Milestone: M3 (Ep01 10-Scene Production Pipeline Readiness & Start Frame Audit)

## 🔒 Key Constraints
- Read-only investigation — do NOT implement source code modifications
- Deliver detailed findings in production_pipeline_readiness.md
- Produce handoff.md following 5-component protocol
- Send message to parent orchestrator when complete

## Current Parent
- Conversation ID: 97faf5e5-a830-491c-b78c-2af12175badf
- Updated: 2026-10-09T05:52:00Z

## Investigation State
- **Explored paths**:
  - `05_Production_Pipeline/production_orchestrator.py`
  - `05_Production_Pipeline/run_shot.py`
  - `05_Production_Pipeline/multi_worker_orchestrator.py`
  - `05_Production_Pipeline/antigravity_critic_gate.py`
  - `05_Production_Pipeline/muse_invpw_driver.py`
  - `episodes/ep01/prompts/muse_prompts.json`
  - `02_AI_Prompts/gemini_banana_prompts.json`
  - `04_Assets/characters/`, `04_Assets/keyframes/`, `04_Assets/backgrounds/`, `04_Assets/archive/ep01_legacy_v1/`
  - `tests/test_critic_gate.py`, `tests/test_reverse_motion_pipeline.py`
- **Key findings**:
  1. Ep01 Scenes 01-10 define exactly 140 shots.
  2. Classification: 105 Cinematic Cuts, 35 Continuous Takes.
  3. Start Frame Availability: 80 Cuts resolve to valid files on disk; 25 Cuts resolve to `None` due to missing `character_asset_ref` / unmapped prologue keyframes.
  4. 30 Continuous Takes have safe character fallbacks; 5 return None cold-start but naturally resolve once previous tail frame is generated.
  5. `evaluate_shot_gate` and `evaluate_scene_gate` are imported but NEVER called in `production_orchestrator.py`; no retake loop exists.
  6. Audio Guard is 100% present in prompt JSONs, but `run_shot.py` fallback omits "Quy tắc âm thanh:" prefix.
  7. Runner supports `invisible_playwright` and `agent-browser`, but lacks `dry-run` mock mode, risking test hanging.
- **Unexplored areas**: None. All 5 objectives completely analyzed and documented.

## Key Decisions Made
- Authored comprehensive audit report `production_pipeline_readiness.md`.
- Formulated concrete 5-task implementation plan with recipes for Worker M3.

## Artifact Index
- `DISPATCH.md` — incoming dispatch log
- `BRIEFING.md` — working memory and identity
- `progress.md` — liveness heartbeat
- `audit_ep01_start_frames.py` — audit execution script
- `deep_shot_audit.py` — detailed shot analyzer
- `audit_audio_guard.py` — audio guard compliance checker
- `ep01_start_frame_audit.json` — machine-readable audit dataset
- `production_pipeline_readiness.md` — detailed findings and implementation recipes
- `handoff.md` — 5-component handoff report