- Added paste event handler to detect and handle files from clipboard
- Support for pasting images and files with Ctrl+V / Cmd+V
- Added drag-and-drop file upload functionality
- Visual feedback with green highlight during drag-over
- Supports multiple file paste/drop at once
- Prevents text insertion when files are pasted
- Uses clipboard items API for better file detection
- Fallback to clipboard files for broader compatibility
- Console logging for debugging paste/drop operations
