Fix NFO service 503 error

- Load TMDB API key and NFO settings from config.json
- Sync NFO config to settings during app startup
- NFO endpoints now work correctly (no more 503)

src/server/fastapi_app.py

@@ -92,6 +92,20 @@ async def lifespan(_application: FastAPI):
                 logger.debug(
                     "anime_directory not found in config.other"
                 )
+            
+            # Sync NFO settings from config.json to settings
+            if config.nfo:
+                if config.nfo.tmdb_api_key:
+                    settings.tmdb_api_key = config.nfo.tmdb_api_key
+                    logger.info("Loaded TMDB API key from config")
+                
+                settings.nfo_auto_create = config.nfo.auto_create
+                settings.nfo_update_on_scan = config.nfo.update_on_scan
+                settings.nfo_download_poster = config.nfo.download_poster
+                settings.nfo_download_logo = config.nfo.download_logo
+                settings.nfo_download_fanart = config.nfo.download_fanart
+                settings.nfo_image_size = config.nfo.image_size
+                logger.debug("Synced NFO settings from config")
         except (OSError, ValueError, KeyError) as e:
             logger.warning("Failed to load config from config.json: %s", e)