auto(agent): Add validation and tests for contacts route

backend/src/__tests__/contacts.test.js

@@ -43,4 +43,13 @@ test('POST /contacts should validate contact data', async () => {
   });
 
   assert.strictEqual(response.statusCode, 400);
+});
+
+test('GET /contacts should return 401 for unauthorized access', async () => {
+  const response = await app.inject({
+    method: 'GET',
+    url: '/contacts'
+  });
+
+  assert.strictEqual(response.statusCode, 401);
 });