- Fix path traversal security check by using absolute paths
- Remove problematic fetch override that forced JSON headers on all API requests
- Add error tracking and visual indicators for failed tracks
- Correct music directory resolution for both relative and absolute paths
The main issue was the security validation comparing relative paths incorrectly,
causing legitimate music file requests to be rejected with 403 errors.
- Replace emoji icons with professional SVG icons from Lucide Vue
- Add collapsible MusicControls with compact top-right collapse button
- Improve icon system with dynamic sizing and proper prop handling
- Disable SSR to prevent hydration issues with audio APIs
- Update IconButton to support both emoji strings and SVG components
- Optimize bottom positioning for expanded vs collapsed states
- Document new icon system in DESIGN_SYSTEM.md
