fix(pi): harden release proof lifecycle

electron/main/index.ts

@@ -880,7 +880,11 @@ export async function runLocalPreviewPreflightE2E(
   }
 }
 
-type PiReleaseProofAction = 'extension' | 'pressure.start' | 'pressure.finish';
+type PiReleaseProofAction =
+  | 'extension'
+  | 'pressure.start'
+  | 'pressure.finish'
+  | 'pressure.finish.inject-failure';
 
 export async function runPiReleaseProofE2E(action: PiReleaseProofAction) {
   if (!isE2EMode) throw new Error('PI release proof is unavailable');
@@ -896,7 +900,15 @@ export async function runPiReleaseProofE2E(action: PiReleaseProofAction) {
   if (action === 'pressure.start') {
     return { action, packagedMain, pressure: await startFinalAsarPressureProof() };
   }
-  return { action, packagedMain, pressure: await finishFinalAsarPressureProof() };
+  return {
+    action,
+    packagedMain,
+    pressure: await finishFinalAsarPressureProof(
+      action === 'pressure.finish.inject-failure'
+        ? { injectFailureAt: 'parents.settle' }
+        : undefined,
+    ),
+  };
 }
 
 if (isE2EMode) {