- Remove 'Root' option from move dialog (users move within their home folder)
- Show children of current folder instead of flat folder list
- Add breadcrumb navigation for folder browsing
- Add 'go to parent' navigation option
- Add 'select this folder' option to choose current location
- Add CSS styles for new navigation elements
- Add dark mode support for move dialog
- Add i18n translations for new strings (en, es)
- Add breadcrumbPath array to app state for tracking folder hierarchy
- Rewrite updateBreadcrumb() to render full path: Home > folder > subfolder
- Each breadcrumb segment is clickable to navigate back to that level
- Current folder shown in bold (non-clickable), parent folders as links
- Reset breadcrumb path on tab switch, home navigation, and initial load
- Update navigateFolder/selectFolder to push to breadcrumb path
- Enhanced breadcrumb CSS with hover effects and dark mode support
George Wu