- Add stop-all buttons to LED targets and KC targets section headers
(visible only when targets are running, uses headerExtra on CardSection)
- Add reset ability to performance chart color pickers (removes custom
color from localStorage and reverts to default)
- Remove CODEBASE_REVIEW.md
- Add prioritized TODO.md with P1/P2/P3 feature roadmap
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>