Obsidian document sorter

• find Untitled and rename (or delete if empty)
• use LLM gpt-4o when renaming file name.

you should set OPENAI_API_KEY.

$ python main.py
Usage: python main.py <directory>

test

$ python -m unittest test_main.py
......
----------------------------------------------------------------------
Ran 6 tests in 4.073s

OK