### Major Features
- Add comprehensive ORCID validation with checksum verification
- Implement unsaved changes detection and auto-save functionality
- Enhanced form component reactivity and state management
### ORCID Implementation
- Create custom VineJS ORCID validation rule with MOD-11-2 algorithm
- Add ORCID fields to Person model and TablePersons component
- Update dataset validators to include ORCID validation
- Add descriptive placeholder text for ORCID input fields
### UI/UX Improvements
- Add UnsavedChangesWarning component with detailed change tracking
- Improve FormCheckRadio and FormCheckRadioGroup reactivity
- Enhanced BaseButton with proper disabled state handling
- Better error handling and user feedback in file validation
### Data Management
- Implement sophisticated change detection for all dataset fields
- Add proper handling of array ordering for authors/contributors
- Improve license selection with better state management
- Enhanced subject/keyword processing with duplicate detection
### Technical Improvements
- Optimize search indexing with conditional updates based on modification dates
- Update person model column mapping for ORCID
- Improve validation error messages and user guidance
- Better handling of file uploads and deletion tracking
### Dependencies
- Update various npm packages (AWS SDK, Babel, Vite, etc.)
- Add baseline-browser-mapping for better browser compatibility
### Bug Fixes
- Fix form reactivity issues with checkbox/radio groups
- Improve error handling in file validation rules
- Better handling of edge cases in change detection