- Import DEFAULT_TRACK_HEIGHT and COLLAPSED_TRACK_HEIGHT from types - Use DEFAULT_TRACK_HEIGHT (340px) instead of hardcoded 240px fallback - Ensures all tracks have the same height as the first track - Matches the height used when creating tracks 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>