- Add response.json() calls in nfo-manager.js for all API calls
- Add response.json() calls in nfo-config.js for all API calls
- Fix createNFO, refreshNFO, viewNFO, getSeriesWithoutNFO functions
- Fix load and testTMDBConnection functions
- All API responses must be parsed before accessing properties
- Extended SetupRequest model to include all configuration fields
- Updated setup API endpoint to handle comprehensive configuration
- Created new setup.html with organized configuration sections
- Enhanced config modal in index.html with all settings
- Updated JavaScript modules to use unified config API
- Added backup configuration section
- Documented new features in features.md and instructions.md
- Added NFOConfig model with TMDB API key, auto-create, media downloads, image size settings
- Created NFO settings section in UI with form fields and validation
- Implemented nfo-config.js module for loading, saving, and testing TMDB connection
- Added TMDB API key validation endpoint (POST /api/config/tmdb/validate)
- Integrated NFO config into AppConfig and ConfigUpdate models
- Added 5 unit tests for NFO config model validation
- Added API test for TMDB validation endpoint
- All 16 config model tests passing, all 10 config API tests passing
- Documented in docs/task7_status.md (100% complete)
