R69 完成业务验收与会话稳定性修复

client/tests/e2e/announcements-presence.spec.ts

@@ -36,6 +36,7 @@ test("E2E 公告与团队状态：公告可见 + 今日状态更新 + Portal 汇
     await page.getByRole("button", { name: "保存状态" }).click();
     await expect(page.getByText("今日状态已更新")).toBeVisible({ timeout: 30_000 });
     await page.goto("/portal");
+    await page.getByRole("tab", { name: "公告" }).click();
     await expect(page.getByText(announcementTitle)).toBeVisible();
     await expect(page.locator('[aria-label="portal-card-today_presence"]')).toBeVisible();
 
@@ -48,6 +49,7 @@ test("E2E 公告与团队状态：公告可见 + 今日状态更新 + Portal 汇
     await expect(page.getByRole("button", { name: "不在岗" })).toBeVisible();
 
     await page.goto("/portal");
+    await page.getByRole("tab", { name: "公告" }).click();
     await expect(page.getByText(announcementTitle)).toBeVisible();
     await expect(page.getByTestId(TEST_IDS.topbar.profileTrigger)).toBeVisible();
   } finally {