Changes: - Empty tracks now show upload icon and "Click to load audio file" message - Clicking the placeholder opens native file dialog - Automatically decodes audio file and updates track with AudioBuffer - Auto-renames track to filename if track name is still default - Hover effect with background color change for better UX - Message about drag & drop coming soon 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>