* docs(agents): keep directory rules in nested AGENTS.md and pin integration tests to CircleCI
* docs(agents): scope the CircleCI rule to the files it covers and ask agents to read nested AGENTS.md
* ci(coverage): reject GITHUB_FILES integration contracts run from a test-unit.yml shard
* ci(coverage): report integration ownership findings under their own header
* ci(coverage): flag GITHUB_FILES contracts run from any non-dedicated workflow
* docs(integration): say a pre-merge run is no reason to route an integration file to GitHub
* ci(coverage): tie each dedicated integration workflow to the directory it owns