- Implemented "sidecar" thumbnail logic: imports video thumbnails from Google Photos as hidden Drive files to display immediately while videos process.
- Updated MediaService to serve sidecar thumbnails via server-side Base64 encoding, bypassing CORS restrictions.
- Implemented lifecycle management: detects video processing completion to automatically cleanup sidecar files and fallback to native Drive thumbnails.
- Enhanced Media Manager UI: added processing warning banner and refined processing tile styling (centered, lighter overlay).
- Upgraded Drive API to v3 and improved file creation robustness with Advanced API fallbacks.
- Revert 'Unified Embedded Picker' which caused 403 errors due to iframe restrictions on the Google Photos Picker.
- Implement a 'Popup Window' flow for Google Photos selections, keeping the Media Manager active.
- Restore 'Classic' Embedded Picker for Google Drive (DocsView) as it is compatible with iframes.
- Update ppsscript.json with drive.photos.readonly scope for correct permissions.
- Update Media Manager UI to separate Drive and Photos buttons.
- Implement DriveService and ShopifyMediaService for backend operations
- Create MediaSidebar.html with premium UI and auto-polling
- Integrate Google Picker API for robust file selection
- Orchestrate sync logic via MediaService (Drive -> Staged Upload -> Shopify)
- Add secure config handling for API keys and tokens
- Update ppsscript.json with required OAuth scopes
- Update MEMORY.md and README.md with architecture details
- Implemented a global toggle to enable/disable background queue processing.
- Added a Side Panel (Sidebar.html) to view pending edits.
- Added per-item controls: 'Delete' to remove from queue, 'Push' to force update.
- Updated 'onEditQueue.ts' with robust error handling for batch processing.
- Updated documentation (README, ARCHITECTURE) to reflect new features.
- Fixed 'clasp' deployment issues by cleaning up manifest management.
