- Set requires-python to >=3.13, target-version to py313, line-length to 120
- Add LICENSE file (MIT) and license-files field
- Update author name/email to Manoj Bajaj <manojbajaj95@gmail.com>
- Add py.typed marker, ruff config, and coverage config
- Fix test_flows.py: use LocalFileCryptoBackend instead of KeyringCryptoBackend
- Fix test_registry.py: assert "github" instead of non-existent "anthropic" bundled provider
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>