# Progress Log — explorer_chat_client_bench_1

Last visited: 2026-10-01T00:49:35Z

- [x] Initialized DISPATCH.md and BRIEFING.md
- [x] Phase 1: Inspected `proto/chat.proto` and `docs/architecture/CHAT_AND_SOCIAL_ARCHITECTURE_2026.md`
- [x] Phase 2: Inspected `client/src/chat/ChatManager.ts` and `client/webapp/` (index.html, css/, js/ui/, main.js)
- [x] Phase 3: Inspected existing tooltip and item display mechanisms in `client/webapp/js/ui/tooltips.js` and `character_equipment.js`
- [x] Phase 4: Inspected `tools/stress/chat_load_benchmark.py` and ran test executions
- [x] Phase 5: Formulated comprehensive design and code plans for:
  - Multi-channel tab UI & 100 message ring buffer (`client/webapp/js/ui/chat_ui.js` & `client/src/chat/ChatManager.ts`)
  - 2.5D Item Hyperlink Tooltip Modal (`#modal-item-link-tooltip`)
  - 1M CCU stress benchmark script (`tools/stress/chat_load_benchmark.py`) with concurrent producers, 8 channels, HMAC load, and memory leak regression
- [x] Phase 6: Compiled 5-component `handoff.md` and prepared report message for orchestrator