# Forensic Audit Report — Milestone M1 Iteration 3 Gate Verification

**Work Product**: Worker 3 Implementation (`05_Production_Pipeline/production_orchestrator.py`, `tests/test_critic_gate.py`)  
**Profile**: General Project  
**Integrity Mode**: Development (as specified in `ORIGINAL_REQUEST.md` line 14)  
**Verdict**: CLEAN  

---

## 1. Observation

### 1.1 Source Code Verification (`05_Production_Pipeline/production_orchestrator.py`)
- **Inspection of lines 181–197 (`get_character_anchor`)**:
  - Implements semantic fallback checking `scene_title` and `motion_prompt`:
    ```python
    if "thúy vân" in combined and "thúy kiều" not in combined:
        return "thuy_van"
    ```
  - Contains no hardcoded test shot IDs, probe names, or test-specific branches.
- **Inspection of lines 236–287 (`resolve_character_portrait_from_anchor`)**:
  - Attendants and subordinate characters (`"tieu_dong"` and `"quan_gia_kim_trong"`) are evaluated prior to `"kim_trong"`:
    ```python
    if "tieu_dong" in clean:
        cand = CHARACTERS_DIR / "02_Vuong_Family_And_Fate" / "tieu_dong_kim_trong_720p.png"
        if cand.exists():
            return cand
    ```
  - `"kim_trong"` is guarded against attendant substrings:
    ```python
    if "kim_trong" in clean and "thuy_kieu" not in clean and "tieu_dong" not in clean and "quan_gia" not in clean:
        cand = CHARACTERS_DIR / "01_Main_Protagonists" / "kim_trong_18yo_720p.png"
        if cand.exists():
            return cand
    ```
  - `"thuy_van"` is mapped to `01_Main_Protagonists/thuy_van_maiden_16yo_720p.png` and checked against Thúy Kiều leakage.
  - All 14 character portraits referenced exist physically on disk in `04_Assets/characters/` (verified sizes ranging from 1.17 MB to 1.75 MB).
- **Inspection of lines 348–485 (`resolve_start_frame`)**:
  - Compound anchor deactivation fix (lines 353–363): Evaluates `title_kt_only`, `title_tk_only`, `title_vq_only`, `title_vo_only`, and `title_tv_only` from `scene_title` and `motion_prompt`. When a shot has a compound anchor (e.g., `kim_trong + thuy_kieu_maiden`) but title/prompt is focused solely on Kim Trọng, `is_kim_trong` remains active.
  - Step A (lines 379–380): Symmetrically remaps Thúy Vân to `thuy_van_maiden_16yo_720p.png` if `asset_ref` erroneously contains `thuy_kieu`.
  - Step C (lines 424–430): Includes `(is_thuy_van and "thuy_kieu" in ref_name)` in the `violation` boolean to invalidate adversarial references.
  - Step D (lines 449–451 & 467–469): Overrides any leakage with `tv_portrait`, and falls back to canonical portrait if Step C invalidated an adversarial path.
  - Grep verification: 0 occurrences of `probe`, `mock`, `adversarial`, `test_`, `shot05`, `shot07`, `scene10`, or `scene06` in `production_orchestrator.py`.

### 1.2 Test Suite Authenticity & Execution (`tests/test_critic_gate.py`)
- **Structure & Mocks**:
  - Exactly 30 tests across 5 test classes (`TestVideoCriticVerdictSchema`: 6, `TestEvaluateShotGate`: 8, `TestEvaluateSceneGate`: 5, `TestTakeClassifierAndStartFrame`: 6, `TestBilateralAndCharacterSafeguards`: 5).
  - Grep for `mock`, `MagicMock`, `unittest.mock`, `patch`, `monkeypatch`: 0 results.
  - Generates physical synthetic video files via `cv2.VideoWriter` in temporary test directories; tests black frames, frozen frames, corrupted bytes (`b"THIS_IS_NOT_A_VALID_MP4_HEADER"`), color continuity delta, and Pydantic v2 constraints.
  - Tests live shot configs against real files on disk.
- **Pytest Execution**:
  ```
  python -m pytest tests/test_critic_gate.py -v
  ============================= 30 passed in 13.00s =============================
  ```

### 1.3 Full Test Suite Regression Verification
- **Challenger Probe Suite**:
  ```
  python -m pytest tests/test_m1_challenger2_probe.py -v
  ============================= 41 passed in 0.55s ==============================
  ```
- **Hygiene & Archival Suite**:
  ```
  python -m pytest tests/test_m2_hygiene.py -v
  ============================== 6 passed in 0.15s ==============================
  ```
- **Adversarial Deep Probe Suite**:
  ```
  python -m pytest tests/test_adversarial_deep_probe.py -v
  ============================= 13 passed in 0.48s ==============================
  ```
- **Tier 1 Feature Suite**:
  ```
  python -m pytest tests/test_tier1_features.py -k "not test_render" -v
  ======================== 65 passed, 1 warning in 2.52s ========================
  ```
- **Adversarial Critic Gate Suite**:
  ```
  python -m pytest tests/test_adversarial_critic_gate_m1.py -v
  ============================= 29 passed in 9.94s ==============================
  ```

---

## 2. Logic Chain

1. **Premise 1**: Under the Integrity Forensics framework for Development Mode (`ORIGINAL_REQUEST.md` line 14), work products are evaluated for hardcoded test results, facade implementations, and fabricated verification outputs.
2. **Premise 2**: Direct static and forensic analysis of `05_Production_Pipeline/production_orchestrator.py` reveals that the fixes for Thúy Vân, compound anchors, and attendant substring shadowing use generalized heuristics and structural re-ordering without any hardcoded test probe strings or test case identifiers.
3. **Premise 3**: Physical verification of the character asset store (`04_Assets/characters/`) confirms all 14 character portraits referenced exist with authentic image sizes and contents on physical disk.
4. **Premise 4**: Analysis of `tests/test_critic_gate.py` confirms that all 30 tests are completely unmocked, create and inspect actual media on disk, test real boundary and adversarial failure modes, and execute 30/30 PASS in 13.00s.
5. **Premise 5**: Across all regression suites (`test_critic_gate.py`, `test_m1_challenger2_probe.py`, `test_m2_hygiene.py`, `test_adversarial_deep_probe.py`, `test_tier1_features.py`, `test_adversarial_critic_gate_m1.py`), 184 tests executed with 184 passed and 0 failures.
6. **Inference**: The implementation is genuine, robust, and free of integrity violations. The verdict is CLEAN.

---

## 3. Caveats

No caveats. All modified files, test suites, and physical assets were examined directly on disk and verified through empirical execution.

---

## 4. Conclusion

**VERDICT: CLEAN**

The work product delivered by Worker 3 in Milestone M1 Iteration 3 exhibits complete integrity:
1. Thúy Vân safeguards, compound anchor resolution, and attendant substring isolation are genuine production implementations without facades or bypasses.
2. `tests/test_critic_gate.py` comprises 30 authentic, unmocked tests executing 30/30 PASS on physical disk.
3. All target test suites (`test_critic_gate.py`, `test_m1_challenger2_probe.py`, `test_m2_hygiene.py`) pass 100% with zero regressions.
4. Milestone M1 Iteration 3 passes forensic audit with full approval.

---

## 5. Verification Method

To independently reproduce the forensic audit:

1. **Static Grep for Prohibited Test Hardcoding**:
   ```powershell
   grep -i "probe" 05_Production_Pipeline/production_orchestrator.py
   grep -i "mock" 05_Production_Pipeline/production_orchestrator.py
   grep -i "mock" tests/test_critic_gate.py
   ```
   *Expected*: Zero matches.

2. **Empirical Pytest Execution**:
   ```powershell
   python -m pytest tests/test_critic_gate.py -v
   python -m pytest tests/test_m1_challenger2_probe.py -v
   python -m pytest tests/test_m2_hygiene.py -v
   ```
   *Expected*: 30 passed, 41 passed, 6 passed (0 failures).

3. **Invalidation Conditions**:
   - Any test failure in the suites.
   - Any hardcoded shot ID mapped to a fixed return string without inspecting input parameters.