- Add open file button for direct audio file selection
- Implement clustered FontControlWidget with font selector, size slider, and refresh controls
- Add auto-regeneration of matplotlib plots when fonts change
- Enhance FontManager with system font discovery and startup selection logic
- Replace individual font selector with comprehensive font control interface
- Support both custom fonts and system font candidates with proper prioritization
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Mikkeli Matlock