- Rewrite README.md with CLI usage instructions
- Add __main__.py for `python -m jianda_proxy` support
- Clean up unused imports in config.py and test_config.py
- Add pytest dev dependency to pyproject.toml
- Remove lfs-proxy.py (replaced by modular CLI tool)
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>