- Add ?metadata=true support to GET /api/files/{id} to return JSON metadata
instead of binary content (was the root cause of favorites not loading)
- Fix favorites loadFileDetails to use metadata endpoint with auth headers
- Add star icon on favorited files/folders in grid view (top-left corner)
- Add star icon on favorited files/folders in list view (next to name)
- Refresh file view when toggling favorites so star appears/disappears
- Add CSS styles for .favorite-star and .favorite-star-inline
Dionisio