From Full Access Panic To Scoped Permissions

Tomas needs Codex to fix a build that spans an app repo and a shared library. What changed from the risky before state to the safer after state? Before: full access is larger than the build problem. After: the permission boundary matches the task. Access changed from whole machine to named workspace roots because Codex only needed the app repo and shared library to make the build edit. Environment files stayed denied because least privilege still protects secrets even when the workspace is writable. Network access became specific because a package or artifact host is a narrower trust decision than…

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