- Implement API endpoint for directory listing and library status detection
- Add UI modal dialog for folder browsing and navigation
- Enable folder selection with dedicated "Select" buttons per folder
- Prevent duplicate library additions with visual grey-out indicators
- Normalize paths for cross-platform case-insensitive comparisons
- Integrate with existing library management workflow for seamless use
- Provide detailed documentation and multiple test scripts for validation
- Update feature status and README to include new IntelliSense functionality
