code quality

tests/e2e/api/api-smoke.test.ts

@@ -0,0 +1,9 @@
+import { test, expect } from '@playwright/test';
+
+test('API smoke - health endpoint is up', async ({ request }) => {
+  const response = await request.get('/health');
+  expect(response.status()).toBe(200);
+  const body = await response.json();
+  expect(body).toHaveProperty('status');
+  expect(body.status).toBe('ok');
+});