# Progress — worker_chat_m2_fix_1

Last visited: 2026-10-01T02:58:30Z

## Status: COMPLETE

### Completed
- [x] Initialized workspace: read ORIGINAL_REQUEST.md, DISPATCH.md, reviewer_chat_m2_1/handoff.md
- [x] Created BRIEFING.md and initialized progress tracking
- [x] Inspected client/webapp/js/ui/chat_ui.js and tests/unit/test_webapp_chat_ui.py
- [x] Implemented XSS escaping for quotes in renderMessageHtml and senderName in renderChatLog
- [x] Implemented genuine HMAC verification tracking and unverified warning badge (`⚠ Chưa Xác Thực`) in openItemTooltip
- [x] Removed fabricated fake default affixes in unverified state; displayed `'• Không có dữ liệu thuộc tính (Chưa xác thực)'`
- [x] Implemented bounded cache (max 500 entries) in snapshotCache with LRU/FIFO eviction
- [x] Verified file length <= 350 lines for client/webapp/js/ui/chat_ui.js (349 lines)
- [x] Added unit tests 14-18 in tests/unit/test_webapp_chat_ui.py (349 lines)
- [x] Verified full test suites: 60/60 tests pass in 1.915s
- [x] Verified hygiene lint: 0 Hard Cap violations, 0 Soft Cap warnings on owned files
- [x] Verified client TypeScript build: npm run build in client/ exits 0