Release Checklist

Monorepo Staging

1. Ensure the working tree is clean.
2. Run source .venv/bin/activate.
3. Run black --check src scripts tests packages.
4. Run ruff check src scripts tests packages.
5. Run mypy src scripts tests packages.
6. Run pytest -q.
7. Run git release-audit.
8. Push the releasable staging commits with git rel.

v2.0.0 Split-First Gate

1. Export the accepted split repository set from the monorepo manifest.
2. Create or update the real split repositories from the exports.
3. Verify each split repository builds and tests in isolation.
4. Verify the core repository integration tests install first-party packages as artifacts, not sibling source trees.
5. Set every first-party distribution to the coordinated 2.0.0 release.
6. Align codira-bundle-official pins to the 2.0.0 package set.
7. Confirm codira -V reports the core package and installed plugin distribution versions.
8. Build artifacts from the split repositories.
9. Upload to TestPyPI in dependency order.
10. Run a fresh TestPyPI smoke test with codira-bundle-official.
11. Upload to PyPI in dependency order.
12. Run a fresh PyPI smoke test with codira-bundle-official.