diff --git a/apps/web/e2e/periodic-learner-real-closed-loop.spec.ts b/apps/web/e2e/periodic-learner-real-closed-loop.spec.ts
index 9b640eb..ce0e3f7 100644
--- a/apps/web/e2e/periodic-learner-real-closed-loop.spec.ts
+++ b/apps/web/e2e/periodic-learner-real-closed-loop.spec.ts
@@ -49,6 +49,7 @@ interface ReturnedPracticeFixture {
 interface SessionDetail {
   session_id: string;
   persona_code: string;
+  turns?: unknown[];
 }
 
 interface AuthMe {
@@ -276,10 +277,21 @@ test.describe("periodic same-learner real closed loop", () => {
     const stream = await streamResponse;
     await expectOk(stream);
     expect(stream.headers()["content-type"] ?? "").toContain("text/event-stream");
+    expect(await stream.finished()).toBeNull();
     await expect(page.locator(".sx-utt").filter({ hasText: learnerText })).toBeVisible();
     await expect(page.locator(".sx-utt.is-client").last()).toBeVisible({
       timeout: 6 * 60_000,
     });
+    await expect
+      .poll(
+        async () => {
+          const detail = await page.request.get(`/api/sessions/${practiceSessionId}`);
+          if (!detail.ok()) return 0;
+          return ((await detail.json()) as SessionDetail).turns?.length ?? 0;
+        },
+        { timeout: 60_000, intervals: [500, 1_000, 2_000] },
+      )
+      .toBeGreaterThanOrEqual(2);
 
     await page.getByRole("button", { name: "회기 종료" }).click();
     await page.getByRole("button", { name: "종료하고 리뷰 보기" }).click();