- Created tests/unit/test_nfo_batch_operations.py
* 19 comprehensive unit tests all passing
* Test concurrent operations with max_concurrent limits
* Test partial failure handling (continues processing)
* Test skip_existing and overwrite functionality
* Test media download options
* Test result accuracy and error messages
* Test edge cases (empty, single, large, duplicates)
- Updated docs/instructions.md
* Marked NFO batch operations tests as completed
* Documented 19/19 passing tests
