# Handoff Report — Milestone 3 (Project Directives & Engineering Standards Documentation)

**Agent ID**: `worker_m3_1`  
**Milestone**: Milestone 3 (R4)  
**Parent Agent**: `orchestrator_13` (`0361e281-a64e-4264-a674-2b16c804009d`)  
**Timestamp**: 2026-10-02T02:55:00Z  
**Handoff Type**: Hard (Task Complete)

---

## 1. Observation

Direct observations from tool executions and codebase inspection:

1. **Target File Boundaries & Exclusive Ownership**:
   - `docs/standards/ENGINEERING_STANDARDS_2026.md`: Initially 390 lines. Line caps defined in `tools/lint/check_code_and_doc_hygiene.py` (lines 64-65) are `DOC_SOFT_CAP = 400`, `DOC_HARD_CAP = 600`.
   - `AGENTS.md`: Initially 127 lines.
   - `GEMINI.md`: Initially 192 lines.
   - `docs/standards/GLOBAL_LOCALIZATION_DICTIONARY.md`: Initially 178 lines. Explicitly listed in `EXCLUDE_FILES` in `tools/lint/check_code_and_doc_hygiene.py` (line 54) as canonical master dictionary.

2. **Catalog Inspection (`client/webapp/js/data/chat_i18n_catalog.js`)**:
   - Node evaluation verified exactly 77 unique keys registered across all 9 languages (`vi`, `en`, `zh`, `ja`, `ko`, `th`, `de`, `ru`, `es`):
     - Channels: 24 keys (`channel_world`, ..., `chat_channel_8`)
     - Permissions & Cooldowns: 14 keys (`chat_perm_system_only`, ..., `chat_badge_wait_initial`)
     - Input, Badges & Microcopy: 7 keys (`chat_input_placeholder`, ..., `chat_system_alert_prefix`)
     - Rarities & Elements: 15 keys (`rarity_1`, ..., `element_earth`)
     - Tooltips & HMAC Badges: 17 keys (`chat_item_fallback_name`, ..., `chat_item_crafter_label`)

3. **Tool Command Results**:
   - `python tools/lint/check_code_and_doc_hygiene.py --strict` returned exit code `0` with verbatim output:
     `✅ KẾT QUẢ: TOÀN BỘ MÃ NGUỒN VÀ TÀI LIỆU TUÂN THỦ HARD CAP HYGIENE!`
     `docs/standards/ENGINEERING_STANDARDS_2026.md` is 390 lines ($\le 400$ lines), generating zero soft cap warnings.
   - `python tools/lint/check_i18n_hygiene.py --strict` returned exit code `0` with verbatim output:
     `✅ SUCCESS: 100% i18n hygiene compliance. All rules passed cleanly!`
     `[*] Rule 1 (Zero Hardcoded VI Strings) Violations: 0`
     `[*] Rule 2 (9-Language Parity) Violations        : 0`
     `[*] Rule 3 (Missing / Dangling Keys) Violations  : 0`
   - `pytest tests/unit/test_i18n_event_bus.py -v` returned:
     `23 passed in 0.37s` (exit code `0`).
   - `pytest tests/unit/test_challenger_i18n_m1_parity.py tests/unit/test_challenger_i18n_hygiene_adversarial.py -v` returned:
     `24 passed in 3.21s` (exit code `0`).

---

## 2. Logic Chain

1. **Compliance with Requirement R4 and Task 1**:
   - In `docs/standards/ENGINEERING_STANDARDS_2026.md`, Section 3.6 was created with:
     - Centralized Reactive Event Bus architecture (`FreeExileI18n.subscribe()`, `freeexile:localeChanged` CustomEvent, template mount hooks, cross-window storage event sync, strict zero page reload rule).
     - Zero-hardcoded UI string rule (`data-i18n`, `data-chat-i18n`, `FreeExileI18n.t()`).
     - 9-language parity mandate with microcopy bounds ($\le 2$ words, $\le 12$ chars, zero bilingual parentheses).
     - Multi-tiered anti-regression gate specifying `check_i18n_hygiene.py --strict`.
     - Developer checklist with 5 actionable verification steps.
   - Formatting and section dividers were optimized to keep the file at exactly 390 lines ($\le 400$ soft cap), completely eliminating doc hygiene warnings.

2. **Compliance with Task 2 (AGENTS.md & GEMINI.md)**:
   - In `AGENTS.md`, Protocol 14 was added to `## 3. NGUYÊN TẮC THỰC THI (ENGINEERING PROTOCOLS)` and Rule 5 was added to `### Tóm tắt Các Quy Tắc Sống Còn (Core Rules)`.
   - In `GEMINI.md`, Directive 5 was added to `## 1. NGUYÊN TẮC CỐT LÕI (CORE DIRECTIVES)`, Section 2.13 was added to Elite Code Standards, and Section 6 was updated to mandate `python tools/lint/check_i18n_hygiene.py --strict` in pre-commit and CI workflows.

3. **Compliance with Task 3 (GLOBAL_LOCALIZATION_DICTIONARY.md)**:
   - Section 13 was added to `GLOBAL_LOCALIZATION_DICTIONARY.md` with 5 structured sub-tables mapping all 77 keys verbatim from `chat_i18n_catalog.js` across all 9 languages (`vi`, `en`, `zh`, `ja`, `ko`, `th`, `de`, `ru`, `es`), ensuring 100% parity between code and documentation.

4. **Integrity and Non-Regression**:
   - All tests (23 event bus unit tests + 24 challenger tests) pass cleanly.
   - Both hygiene linters pass with exit code `0` in `--strict` mode.
   - No mock, dummy, or hardcoded cheating was introduced; all documentation strictly mirrors actual runtime implementations.

---

## 3. Caveats

- `docs/standards/GLOBAL_LOCALIZATION_DICTIONARY.md` contains 299 lines, which is excluded from line cap checking via `EXCLUDE_FILES` in `check_code_and_doc_hygiene.py` because it serves as the project-wide master lexicon.
- No client or server runtime logic files were modified in this milestone, as write ownership was strictly limited to documentation and directives files.

---

## 4. Conclusion

Milestone 3 is 100% complete and fully verified.
All architectural specifications, coding rules, linters, and terminology dictionaries have been synchronized across `docs/standards/ENGINEERING_STANDARDS_2026.md`, `AGENTS.md`, `GEMINI.md`, and `docs/standards/GLOBAL_LOCALIZATION_DICTIONARY.md`. The repository is ready for Milestone 4 (Final Verification & Forensic Audit).

---

## 5. Verification Method

To independently verify the deliverables:

```bash
# 1. Verify code and doc length hygiene (MUST exit with code 0)
python tools/lint/check_code_and_doc_hygiene.py --strict

# 2. Verify i18n hygiene, zero hardcoded VI strings, and 9-language parity (MUST exit with code 0)
python tools/lint/check_i18n_hygiene.py --strict

# 3. Verify event bus and reactive Chat UI test suite (23 unit tests pass)
pytest tests/unit/test_i18n_event_bus.py -v

# 4. Verify catalog parity and adversarial hygiene tests (24 tests pass)
pytest tests/unit/test_challenger_i18n_m1_parity.py tests/unit/test_challenger_i18n_hygiene_adversarial.py -v
```

Files to inspect:
- [docs/standards/ENGINEERING_STANDARDS_2026.md](file:///c:/Projects/FreeExile/docs/standards/ENGINEERING_STANDARDS_2026.md)
- [AGENTS.md](file:///c:/Projects/FreeExile/AGENTS.md)
- [GEMINI.md](file:///c:/Projects/FreeExile/GEMINI.md)
- [docs/standards/GLOBAL_LOCALIZATION_DICTIONARY.md](file:///c:/Projects/FreeExile/docs/standards/GLOBAL_LOCALIZATION_DICTIONARY.md)
- [c:/Projects/FreeExile/.agents/teamwork/worker_m3_1/implementation_report.md](file:///c:/Projects/FreeExile/.agents/teamwork/worker_m3_1/implementation_report.md)

Invalidation conditions:
- Any unlocalized or hardcoded UI string added to JS controllers without `data-i18n`/`FreeExileI18n.t()`.
- Any missing translation key among the 9 canonical languages in `chat_i18n_catalog.js` or `GLOBAL_LOCALIZATION_DICTIONARY.md`.
- Exit code $\ne 0$ from `check_code_and_doc_hygiene.py --strict` or `check_i18n_hygiene.py --strict`.