Task 4: Add Services & Utilities tests (66 tests)
- test_media_utils.py: 29 tests for check_media_files, get_media_file_paths,
has_all_images, count_video_files, has_video_files, constants
- test_nfo_factory.py: 11 tests for NFOServiceFactory.create, create_optional,
get_nfo_factory singleton, create_nfo_service convenience
- test_series_manager_service.py: 15 tests for init, from_settings,
process_nfo_for_series, scan_and_process_nfo, close
- test_templates_utils.py: 4 tests for TEMPLATES_DIR path resolution
- test_error_controller.py: 7 tests for 404/500 handlers (API vs HTML)
Lukas
5b3fbf36b9