- Add drag-and-drop support for moving files and folders in file explorer
- Implement responsive button layouts with icons-only display on mobile
- Add comprehensive ARIA labels and screen reader accessibility support
- Enhance visual design with icons for all header and export buttons
- Add auto-expand folders on drag hover and smart drop prevention
- Optimize touch-friendly design with better mobile button layouts

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Co-Authored-By: Claude <noreply@anthropic.com>