[FIX] 修復所有 E2E 模組測試的標題定位器以及將測試帳號還原為 admin 權限

e2e/integration.spec.ts

@@ -0,0 +1,14 @@
+import { test, expect } from '@playwright/test';
+import { login } from './helpers/auth';
+
+test.describe('系統串接模組', () => {
+    test.beforeEach(async ({ page }) => {
+        await login(page);
+    });
+
+    test('應能進入銷貨單據串接頁面並顯示主要元素', async ({ page }) => {
+        await page.goto('/integration/sales-orders');
+        await expect(page.locator('h1').filter({ hasText: '銷售訂單管理' })).toBeVisible();
+        await expect(page.locator('table')).toBeVisible();
+    });
+});