ci: add AI direct commit attribution check workflow#42
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Add a GitHub Actions workflow that blocks pull requests containing AI attribution trailers in commit messages and AI tool emails in author/committer fields from being merged into protected branches. The workflow runs on pull_request and push events. On detection it fails the status check and posts a failure comment explaining the policy intent (DCO/Sign-off/CLA implications, the 2026-05-08 community proposal) and the required fix steps (amend or interactive rebase). Canonical source: https://github.com/MZC-CSC/cmig-workflow/blob/main/conf/workflow-templates/no-ai-trace.yml
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Summary
Add a GitHub Actions workflow that blocks pull requests containing AI attribution trailers in commit messages and AI tool emails in author/committer fields from being merged into protected branches.
Following the community proposal from 2026-05-08 (suggesting that commits and pull requests should be authored by humans rather than AI tools, since AI-attributed commits may have unclear implications under DCO/Sign-off/CLA frameworks until the project policy is finalized), this workflow:
pull_requestandpushto protected branches.Verified
This workflow has been merged into MZC-CSC's C-Mig related forks (cm-mayfly, cm-butterfly, cm-ant, cb-spider, cloud-migrator) and its blocking behavior verified via dummy commit with AI trailer.
Canonical source: https://github.com/MZC-CSC/cmig-workflow/blob/main/conf/workflow-templates/no-ai-trace.yml