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+## Summary
+
+<!-- What does this PR change, and why? -->
+
+## Type of change
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Documentation
+- [ ] Chore / CI
+
+## Checklist
+
+- [ ] `npm test` passes locally
+- [ ] Tests added or updated in `lib/*.test.mjs` for behavior changes
+- [ ] Commit message is clear and descriptive (`feat:`, `fix:`, `docs:`)
+- [ ] PR is focused on one logical change
+- [ ] Co-author trailers, if any, name human GitHub accounts only
+
+## Badge output
+
+<!--
+For changes to badge generation, paste the before and after Markdown so a
+reviewer can see the rendered result. Write "none" for non-output changes.
+-->