diff --git a/examples/personal-workspace-browser/chat-todo-proposal.mjs b/examples/personal-workspace-browser/chat-todo-proposal.mjs
index a3c3c4c580..23ec3605a6 100644
--- a/examples/personal-workspace-browser/chat-todo-proposal.mjs
+++ b/examples/personal-workspace-browser/chat-todo-proposal.mjs
@@ -124,13 +124,16 @@ export const chatTodoProposalScenario = {
       await composer.fill(RECOVERY_PROMPT);
       await page.getByRole("button", { name: "发送", exact: true }).click();
       await waitFor(() => api.turnRequests.length > turnsBeforeRecovery, "The recovery prompt was not sent");
+      // Arm the transient failure before reload: on a slow page, recovery can
+      // finish while the Goal Chat tab is reopening.
+      api.failNextActionPreview = true;
       await page.reload({ waitUntil: "domcontentloaded" });
       await page.getByTestId("personal-goal-home").waitFor({ state: "visible" });
       await openGoalChat();
-      api.failNextActionPreview = true;
       await page.locator(".personal-channel-timeline").getByText("恢复后给出一个步骤。", { exact: true }).waitFor({ state: "visible", timeout: 15_000 });
       const recoveredCard = page.locator(".personal-proposal-row", { hasText: RECOVERY_TEXT });
-      await recoveredCard.waitFor({ state: "visible", timeout: 5_000 });
+      await recoveredCard.waitFor({ state: "visible", timeout: 15_000 });
+      if (api.failNextActionPreview) throw new Error("Recovery did not exercise the transient preview failure");
       await waitFor(() => new Set(previewsWithText(RECOVERY_TEXT).map((item) => item.idempotency_key)).size === 1,
         "The recovered proposal did not map to exactly one Todo preview");
       const [recoveredPreview] = previewsWithText(RECOVERY_TEXT);
diff --git a/tests/test_chat_operation_actions.py b/tests/test_chat_operation_actions.py
index 21a980db9c..9e00f62a29 100644
--- a/tests/test_chat_operation_actions.py
+++ b/tests/test_chat_operation_actions.py
@@ -103,7 +103,9 @@ def test_browser_operation_fixture_needs_no_test_framework(tmp_path: Path) -> No
         check=True,
     )
     fixtures = json.loads(result.stdout)
-    assert list(fixtures) == ["confirmed", "waiting", "unknown", "reconciled"]
+    assert list(fixtures) == [
+        "prepared", "delivered", "confirmed", "waiting", "unknown", "reconciled"
+    ]
     for proposal in fixtures.values():
         assert proposal["normalized_parameters"]["goal_id"] == "product-release"
         assert proposal["normalized_parameters"]["executor"]["kind"] == "managed_turn"