diff --git a/engagements/2026-08-21-tenant-engine-e2.json b/engagements/2026-08-21-tenant-engine-e2.json
index 5a29ff5..13a94b5 100644
--- a/engagements/2026-08-21-tenant-engine-e2.json
+++ b/engagements/2026-08-21-tenant-engine-e2.json
@@ -6,7 +6,8 @@
   "expires_at": "2026-08-21T22:35:00Z",
   "target": "http://tenant-engine.tenant-engine.svc.cluster.local:8090",
   "target_owner": "tenant-engine / infrastructure operator",
-  "target_owner_acknowledged_at": "2026-08-21T21:56:00Z",
+  "target_owner_acknowledged_at": null,
+  "target_owner_acknowledgement_status": "pending E2 attacker-model applicability review requested 2026-08-21T22:07:10Z",
   "environment": "production",
   "production_approval": "Explicit user approval of engagements/2026-08-21-e2-proposals.md in the coordinating session",
   "namespace": "tenant-engine",