PULL_REQUEST_TEMPLATE.md

Summary

Test plan

• Affected unit / integration tests pass locally
• CI is green on this branch
• Docs / CHANGELOG updated where applicable

Related issues / PRs

Checklist

• I have read CONTRIBUTING.md and CODE_OF_CONDUCT.md
• My commits follow Conventional Commits
• No security-sensitive changes (if there are, I have notified the maintainer privately per SECURITY.md)