fix: defer blocked deliveries, claim owner token

crates/domain/src/testing/fakes/noops.rs

@@ -159,6 +159,9 @@ impl AckHandle for NoopAckHandle {
     async fn nack(&self) -> Result<(), DomainError> {
         Ok(())
     }
+    async fn defer(&self, _: std::time::Duration) -> Result<(), DomainError> {
+        Ok(())
+    }
 }
 
 // ── NoopPersonCommand ─────────────────────────────────────────────────────────