diff --git a/tests/runner-e2e/run-observations.ts b/tests/runner-e2e/run-observations.ts
index c7be8dec07..f8883ad6b0 100644
--- a/tests/runner-e2e/run-observations.ts
+++ b/tests/runner-e2e/run-observations.ts
@@ -37,13 +37,38 @@ export function isControlPlaneGovernedResponseWait(
   if (accepted.length !== 1) return false;
   const envelope = record(accepted[0]?.payload?.prpEvent);
   const result = record(record(envelope.payload).result);
+  const continuation = record(result.continuation);
+  const idempotencyKey = continuation.idempotencyKey;
+  if (
+    typeof idempotencyKey !== "string" ||
+    !idempotencyKey.startsWith("interaction-response:")
+  ) {
+    return false;
+  }
+  const interactionId = idempotencyKey.slice("interaction-response:".length);
+  if (!interactionId) return false;
+  const interactionRef = `interaction:${interactionId}`;
+  const hasEvidence =
+    Array.isArray(result.evidence) &&
+    result.evidence.some((value) => record(value).ref === interactionRef);
+  const hasInteractionArtifact =
+    Array.isArray(result.artifacts) &&
+    result.artifacts.some((value) => {
+      const artifact = record(value);
+      return (
+        artifact.kind === "issue_thread_interaction" &&
+        artifact.ref === interactionRef
+      );
+    });
   return (
     envelope.schema === "paperclip.prp.event.v1" &&
     envelope.eventType === "run.result.accepted" &&
     envelope.sourceKind === "control_plane" &&
     result.schema === "paperclip.run_result.v1" &&
     result.reportedWorkDisposition === "yielded" &&
-    record(result.continuation).kind === "response_wake"
+    continuation.kind === "response_wake" &&
+    hasEvidence &&
+    hasInteractionArtifact
   );
 }
 
diff --git a/tests/runner-e2e/support.test.ts b/tests/runner-e2e/support.test.ts
index 71e1387f1f..e310b98640 100644
--- a/tests/runner-e2e/support.test.ts
+++ b/tests/runner-e2e/support.test.ts
@@ -314,7 +314,17 @@ describe("runner E2E run observations", () => {
             result: {
               schema: "paperclip.run_result.v1",
               reportedWorkDisposition: "yielded",
-              continuation: { kind: "response_wake" },
+              evidence: [{ ref: "interaction:pending" }],
+              artifacts: [
+                {
+                  kind: "issue_thread_interaction",
+                  ref: "interaction:pending",
+                },
+              ],
+              continuation: {
+                kind: "response_wake",
+                idempotencyKey: "interaction-response:pending",
+              },
             },
           },
         },
@@ -334,6 +344,24 @@ describe("runner E2E run observations", () => {
         },
       ]),
     ).toBe(false);
+    expect(
+      isControlPlaneGovernedResponseWait([
+        {
+          ...event,
+          payload: {
+            prpEvent: {
+              ...event.payload.prpEvent,
+              payload: {
+                result: {
+                  ...event.payload.prpEvent.payload.result,
+                  artifacts: [],
+                },
+              },
+            },
+          },
+        },
+      ]),
+    ).toBe(false);
     expect(
       isControlPlaneGovernedResponseWait([
         event,