mls_activation_irreversible· reason_code· applies to state_resolutionSub-reason for failed_precondition when an Event would deactivate, replace or re-run the accepted ak.mls.genesis of an already activated Realm, Circle or Sidecar scope. Activation is a one-way transition with no protocol path back to plaintext. See zh/models/realm-and-space.md section 2.3.