Document the CSS-string color fallback and extra root files in CLAUDE.md Note the TableRenderer #000000 CSS fallback as a carve-out and justify the extra src/ root files (TrackLabButton, webcam.ts, tracking/) per CONVENTIONS.md \S2. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01JgoPHsQnzifs5yiESGfbQL - #99