Fixed "onUpdateTrack is not defined" error by: - Added onUpdateTrack to TrackProps interface - Added onUpdateTrack to Track component destructuring - Passed onUpdateTrack prop from TrackList to Track This prop is required for: - Track height resizing functionality - Automation lane updates - General track property updates 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>