- Add logout button to sidebar with destructive hover styling
- Fix case-sensitive todo category filter with .toLowerCase()
- Widen dialog popups from max-w-lg to max-w-xl with mobile margin
- Update CLAUDE.md with commit-and-push instruction
- Update progress.md: all CRUD tests verified, all outstanding items resolved
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>