Plan Review Artifact Authority and Approval Drift Use when a local plan has gone through multiple adversarial review waves and any of these are true: - a self-review artifact exists and later external Codex/Codex/Gemini reruns also exist - the issue still carries or from an older revision - status lags the current effective review state Rules 1. Latest external reruns are authoritative for the current draft. - Update the plan header line to point at the newest external rerun artifacts. - Update the Artifact Map to list those newest external rerun artifacts. - If you keep a self-review artifac…