Add fallback DOM element creation in LoadingManager constructor to handle cases where loading overlay elements don't exist in the DOM. This ensures the loading functionality works even when the required HTML elements are missing.
- Create loading overlay, content container, progress bar, and status text elements dynamically
- Add ARIA attributes to progress bar for accessibility
- Move details container insertion to use the created loadingContent reference
- Maintain existing functionality while adding robustness for missing DOM elements
- Set refresh to true when fetching model update versions to ensure latest data
- Refactor handleDownloadVersion to be async and accept button parameter
- Add progress tracking and WebSocket integration for download operations
- Implement button state management during download process
- Add error handling and cleanup for download operations
- Update download action to await async download handler
