An agent patch is not ready for a property suite because a model emitted it. It is ready only when three records exist and play different roles: a provenance note, a fixture digest signed outside the drafter, and a property class that limits what a pass or fail may mean. Miss any one of them and the run should not start. A flake freeze is a later ledger. It cannot repair a missing signature. That admission order is the strategy. The steps below enforce it without treating a cheaper draft, or ...