- Add codec configuration for MOV format in buildFFmpegCommand
- Use libx264 video codec and aac audio codec for MOV exports
- Fix cleanup method to properly remove progress event listeners
- Store progressCallback reference to enable proper event listener removal
- Prevent memory leaks by correctly cleaning up FFmpeg event handlers
- Change ExportOptions from interface to type export
- Change ExportProgress from interface to type export
- Addresses CodeRabbit warning about using export type for type exports