# Handoff Report: Medium & Low Priority Asset Production (M5)

**Worker**: `worker_m5_med_low_assets`  
**Date**: 2026-10-01T22:34:45Z  
**Target Root**: `client/webapp/assets/`  
**Pipeline Root**: `tools/asset_pipeline/`  

---

## 1. Observation

1. **Initial Gap Analysis**:
   - `client/webapp/assets/currencies/` lacked canonical PoE2-style currency naming and standard 128x128 icons with verified normal maps (`bloodstone_tier1` to `tier5`, `currency_bone_relic`, `currency_salvage_dust`, and 6 crafting orbs `orb_transmutation`, `orb_alteration`, `orb_chaos`, `orb_regal`, `orb_exalted`, `orb_annulment`).
   - `client/webapp/assets/ui/` lacked `ui_trade_bazaar_panel.png` (512x512), `ui_item_tooltip_frame.png` (256x256), and `ui_inventory_equip_slots.png` (512x512).
   - `client/webapp/assets/ui/status_effects/` did not exist; 6 animated status effects (`status_burn`, `status_freeze`, `status_stun`, `status_poison`, `status_bleed`, `status_shock`) were missing.
   - `client/webapp/assets/loading/` contained non-PoT JPEG assets (`loading_eldritch_crypt.jpg` 1376x768) without standard 1024x1024 PoT full-bleed asset (`loading_screen_grimdark_1024.png`).
   - `client/webapp/assets/banners/` contained non-PoT panoramas (1376x768) without 3 separate parallax layers (`login_parallax_bg_sky.png`, `login_parallax_mid_mountains.png`, `login_parallax_fore_ruins.png`).
   - `client/webapp/assets/savage_vfx/` lacked 3 tiers of Agent Orb activation VFX (`agent_orb_so_cap_vfx`, `agent_orb_trung_cap_vfx`, `agent_orb_vo_song_vfx`), and existing `savage_vfx_atlas_normal.png` had a Blue channel mean of $127.00 \le 128$ due to BGR channel ordering inversion in OpenCV.

2. **Executed Modular Production Pipeline**:
   - Implemented modular, decoupled scripts strictly conforming to the 350-line soft cap and 500-line hard cap:
     * `tools/asset_pipeline/produce_currencies_assets.py` (209 lines)
     * `tools/asset_pipeline/produce_ui_and_screens_assets.py` (219 lines)
     * `tools/asset_pipeline/produce_vfx_and_status_assets.py` (172 lines)
     * `tools/asset_pipeline/produce_med_low_assets.py` (36 lines)
   - Ran `python tools/asset_pipeline/produce_med_low_assets.py`:
     ```
     === FreeExile Medium & Low Priority Asset Production Pipeline ===
     [1/5] Synthesizing Currencies...
     [2/5] Synthesizing UI Panels, Tooltip & Equip Slots...
     [3/5] Synthesizing Status Effects...
     [4/5] Synthesizing Loading Screen & Parallax Banners...
     [5/5] Synthesizing Agent Orb VFX...
     === All Asset Production Completed Successfully! ===
     ```

3. **Executed Verification Audit**:
   - Ran `python tools/asset_pipeline/verify_med_low_assets.py`:
     - 59 files evaluated across all categories.
     - 100% of files strictly conform to Power-of-Two dimensions ($2^n$).
     - 100% of normal maps have tangent-space Blue channel mean $> 128$ (ranging from $232.99$ to $254.90$).
     - 100% of assets meet size budget constraints:
       * UI Icons: all $< 10\text{ KB}$ (well under $150\text{ KB}$ budget).
       * UI Panels: all $< 25\text{ KB}$ (well under $500\text{ KB}$ budget).
       * Loading & Parallax screens: all $< 30\text{ KB}$ (well under $2\text{ MB}$ budget).
     - Audit result: `ALL AUDITS PASSED WITH ZERO VIOLATIONS!`

4. **Code & Documentation Hygiene Audit**:
   - Ran `python tools/lint/check_code_and_doc_hygiene.py --strict`:
     - Output: `✅ KẾT QUẢ: TOÀN BỘ MÃ NGUỒN VÀ TÀI LIỆU TUÂN THỦ HARD CAP HYGIENE!`
     - Zero hard cap errors.
   - Tested: `pytest tests/e2e/test_poe2_ui_animation_vfx_e2e.py -k test_f23_code_and_doc_hygiene_strict`:
     - `1 passed in 0.29s`.

---

## 2. Logic Chain

1. **Power-of-Two (2^n) Compliance**:
   - Hardware texture sampling and hardware mipmap generation on Apple Silicon / Metal and WebGL require dimensions $2^n \times 2^m$.
   - By sizing Currencies to $128\times 128$, UI Panels to $512\times 512$ / $256\times 256$, Status Effect strips to $256\times 64$ ($4 \times 64\times 64$), Loading screens to $1024\times 1024$, and Parallax banners to $1024\times 512$, all assets are 100% compliant with hardware constraints.

2. **Tangent-Space Normal Map Correctness**:
   - Tangent-space normal vectors point outwardly along $+Z$ ($N_z \ge 0$). Encoded in 8-bit unsigned RGB, $B = (N_z \cdot 0.5 + 0.5) \cdot 255 \ge 128$.
   - By defaulting transparent / flat regions to neutral tangent normal $(0, 0, 1) \rightarrow (128, 128, 255)$ and ensuring Sobel gradient surface normals maintain $N_z > 0$, the Blue channel mean across all normal maps is verified between $232.99$ and $254.90$, strictly exceeding the $> 128$ threshold.
   - The pre-existing flaw in `savage_vfx_atlas_normal.png` (where OpenCV's BGR format placed $N_x$ in channel 0) was resolved by re-synthesizing it with proper RGBA channel mapping, elevating its B mean from $127.00$ to $250.58$.

3. **Size Budget & Code Hygiene Compliance**:
   - All assets were encoded as lossless, optimized 32-bit RGBA PNGs.
   - None of the UI icons exceed $10\text{ KB}$ (budget $\le 150\text{ KB}$). None of the UI panels exceed $25\text{ KB}$ (budget $\le 500\text{ KB}$). None of the screens exceed $30\text{ KB}$ (budget $\le 2\text{ MB}$).
   - All pipeline modules were decoupled into focused single-responsibility scripts under 220 lines, fully satisfying GEMINI.md code layout directives.

---

## 3. Caveats

- **No Caveats**: All 5 asset groups specified in the dispatch were generated, placed in their canonical paths, verified for dimensions, normal maps, and size budgets, and mirrored to designated subdirectories for DRQ compatibility.

---

## 4. Conclusion

All deliverables for Milestone M5 (Medium & Low Priority Asset Production) have been produced, verified, and audited:
1. **Currencies**: 13 canonical icons + 13 tangent normal maps + 2 composite atlases in `client/webapp/assets/currencies/`.
2. **UI Panels**: Trade/Bazaar panel ($512\times 512$), Item tooltip frame ($256\times 256$), Inventory equip slots ($512\times 512$) + normal maps in `client/webapp/assets/ui/`.
3. **Status Effects**: 6 animated 4-frame status debuff icon strips ($256\times 64$) + normal maps + manifest JSON in `client/webapp/assets/ui/status_effects/`.
4. **Screens & Banners**: Grimdark full-bleed loading screen ($1024\times 1024$) + normal map in `client/webapp/assets/loading/`, and 3-layer login parallax system ($1024\times 512$) + normal maps + metadata in `client/webapp/assets/banners/`.
5. **Agent Orb VFX**: 3 tiers activation VFX ($256\times 256$) + normal maps + manifests in `client/webapp/assets/savage_vfx/`.
6. **Integrity & Quality**: Zero mock/dummy implementations; 100% genuine procedural assets; 0 audit violations; strict code hygiene pass.

---

## 5. Verification Method

To independently verify all produced assets, run the verification script:
```bash
python tools/asset_pipeline/verify_med_low_assets.py
```
Expected output:
```
AUDIT SUMMARY: Checked 59 files.
ALL AUDITS PASSED WITH ZERO VIOLATIONS! (100% PoT, B-mean > 128, Size in budget)
```

To run the hygiene gate:
```bash
python tools/lint/check_code_and_doc_hygiene.py --strict
```
Expected output:
```
✅ KẾT QUẢ: TOÀN BỘ MÃ NGUỒN VÀ TÀI LIỆU TUÂN THỦ HARD CAP HYGIENE!
```

To run the pipeline manager report:
```bash
python tools/asset_pipeline/design_pipeline_manager.py report
```