diff --git a/tests/e2e/agent-chat-projects.spec.ts b/tests/e2e/agent-chat-projects.spec.ts
index 994df38746c..89ec94ca54c 100644
--- a/tests/e2e/agent-chat-projects.spec.ts
+++ b/tests/e2e/agent-chat-projects.spec.ts
@@ -459,12 +459,15 @@ test("plan approval hands the preserved revision to an assigned project task", a
         { timeout: 60_000 },
       )
       .toBe(1);
+    // Task completion is delivered back to the chat as another real turn.
+    await idle(request, f.chatPath, 3);
     const task = (
       await json(await request.get(`/api/companies/${f.company.id}/issues`))
     )[0];
     expect(task.parentId).toBeNull();
     expect(task.projectId).toBeTruthy();
     expect(task.assigneeAgentId).toBe(f.agent.id);
+    await expect(page.getByText(`Delegated work completed: ${task.identifier}`, { exact: true })).toBeVisible();
     const plan = await json(
       await request.get(`/api/issues/${task.id}/documents/plan`),
     );
diff --git a/tests/e2e/fixtures/agent-chat.mjs b/tests/e2e/fixtures/agent-chat.mjs
index 2a66bdd3111..d85ab355679 100644
--- a/tests/e2e/fixtures/agent-chat.mjs
+++ b/tests/e2e/fixtures/agent-chat.mjs
@@ -36,6 +36,10 @@ if (!task.conversationAgentId) {
   });
   process.exit(0);
 }
+if (ctx.wakeReason === "chat_task_completed") {
+  await comment(`Delegated work completed: ${ctx.chatCompletionUpdates.map((update) => update.identifier).join(", ")}`);
+  process.exit(0);
+}
 const comments = await api(`/issues/${task.id}/comments?order=asc`);
 const current =
   comments.find((c) => c.id === ctx.wakeCommentId) ??