# Progress — test_writer_chat_e2e_1

Last visited: 2026-10-01T00:55:30Z

## Status
- [x] Read ORIGINAL_REQUEST.md (§## 2026-10-01T00:42:05Z), DISPATCH.md, orchestrator plan.md, spec_miner handoff.md
- [x] Verified baseline unit tests (10/10 PASS) and hygiene linter (0 errors)
- [x] Initialized BRIEFING.md and local skill documentation
- [x] Design and implement Tier 1: Feature coverage (all 8 channels, level gating, cooldowns, spam, history, Trie, Sentinel RMT, HMAC)
- [x] Design and implement Tier 2: Boundary & corner cases (negative IDs, empty/max strings, zero-width evasion, homoglyphs, rapid repeat, expired snapshots, corrupted signatures, tampered rarity)
- [x] Design and implement Tier 3: Cross-feature combinations (whisper blacklist + item link, RMT phone in Guild + auto-mute, World profanity + item link, 64-shard concurrent broadcast)
- [x] Design and implement Tier 4: Real-world application scenarios (World Boss burst, RMT bot flood attempt, Guild raid item inspection storm, high-throughput fan-out burst)
- [x] Run test suite with `python -m unittest tests/e2e/test_chat_distributed_system_e2e.py` (24/24 PASS in 0.433s)
- [x] Verify hygiene linter `python tools/lint/check_code_and_doc_hygiene.py --strict` (0 errors, compliant)
- [x] Create `TEST_INFRA.md` and `TEST_READY.md` at project root
- [ ] Create `handoff.md` and notify parent orchestrator via `send_message`