- Add secured GET /admin/photos/{filename} to serve files from var/uploads/
- Add POST /api/articles/{id}/photos/sort for drag-and-drop reordering
- Add PhotoService::reorder() to persist new sort positions
- Add photo gallery field (onlyOnDetail) using custom Twig template:
- Drag-and-drop reorder via SortableJS CDN
- Click or drop to upload new photos
- Set main (★) and delete per photo
- Main photo highlighted with blue border + badge
- Add field.photos translation key (EN/DE)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>