test(pi): wire packaged confirmation delay

electron/coding-runtime/pi/runtime.ts

@@ -125,6 +125,7 @@ export interface PiWorkerProcessAdapter {
   subscribeInvalidation(listener: (error: PiProcessError) => void): () => void;
   stop(reason: PiWorkerStopReason): Promise<PiWorkerStopResult>;
   injectFailureForProof?(failure: PiWorkerProofFailure): Promise<void>;
+  delayNextResponseForProof?(commandType: string, delayMs: number): void;
 }
 
 export interface PiManagedProviderInput {
@@ -193,6 +194,13 @@ class ManagedPiConversationWorker implements PiConversationWorker {
     }
     await this.process.injectFailureForProof(failure);
   }
+
+  delayNextResponseForProof(commandType: string, delayMs: number): void {
+    if (!this.process.delayNextResponseForProof) {
+      throw new Error('Managed Pi process does not support proof response delay');
+    }
+    this.process.delayNextResponseForProof(commandType, delayMs);
+  }
 }
 
 export function createPiManagedWorkerOpener(