feat: Add NFO UI features (Task 6)

- Extended AnimeSummary model with NFO fields (has_nfo, nfo_created_at, nfo_updated_at, tmdb_id, tvdb_id)
- Updated list_anime endpoint to fetch and return NFO data from database
- Added NFO status badges to series cards (green=exists, gray=missing)
- Created nfo-manager.js module with createNFO, refreshNFO, viewNFO operations
- Added NFO action buttons to series cards (Create/View/Refresh)
- Integrated WebSocket handlers for real-time NFO events (creating, completed, failed)
- Added CSS styles for NFO badges and action buttons
- All 34 NFO API tests passing, all 32 anime endpoint tests passing
- Documented in docs/task6_status.md (90% complete, NFO status page deferred)

docs/task8_status.md

@@ -98,11 +98,13 @@ tvdb_id: Optional[int] = None  # TVDB ID (indexed)
 Three new methods added to `AnimeService`:
 
 1. **update_nfo_status(key, has_nfo, tmdb_id, tvdb_id, db)**
+
     - Updates NFO status for a series
     - Sets creation/update timestamps
     - Stores external database IDs
 
 2. **get_series_without_nfo(db)**
+
     - Returns list of series without NFO files
     - Includes key, name, folder, and IDs
     - Useful for batch operations
@@ -152,8 +154,9 @@ Task 8 is fully complete with all database fields, service methods, and comprehe
 5. ✅ SQLAlchemy auto-migration support
 
 **Time Investment:**
-- Estimated: 2-3 hours
-- Actual: ~2 hours
+
+-   Estimated: 2-3 hours
+-   Actual: ~2 hours
 
 ## 🔄 No Remaining Work