feat: 重构测试框架并优化代码结构

refactor(tests): 将e2e_tests迁移到tests_suite和api_integration_tests
style: 为Java类添加文档注释
docs: 更新.gitignore和配置文件
test: 添加性能测试和Playwright测试脚本
chore: 清理旧测试文件和配置

performance_tests/gateway_performance_test.js

@@ -0,0 +1,67 @@
+import http from 'k6/http';
+import { check, sleep } from 'k6';
+
+const BASE_URL = __ENV.BASE_URL || 'http://localhost:8080';
+const TEST_DURATION = __ENV.DURATION || '30s';
+const VUS = __ENV.VUS || '10';
+
+export let options = {
+    scenarios: {
+        constant_load: {
+            executor: 'constant-vus',
+            vus: parseInt(VUS),
+            duration: TEST_DURATION,
+            startTime: '0s',
+        },
+    },
+    thresholds: {
+        http_req_duration: ['p(95)<500'],
+        http_req_failed: ['rate<0.05'],
+    },
+};
+
+export function setup() {
+    let loginRes = http.post(`${BASE_URL}/api/auth/login`, JSON.stringify({
+        username: 'admin',
+        password: 'admin123'
+    }), {
+        headers: { 'Content-Type': 'application/json' },
+    });
+
+    check(loginRes, {
+        'login successful': (r) => r.status === 200,
+        'has token': (r) => r.json('token') !== undefined,
+    });
+
+    return {
+        token: loginRes.json('token'),
+    };
+}
+
+export default function (data) {
+    let headers = {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${data.token}`,
+    };
+
+    let responses = http.batch([
+        ['GET', `${BASE_URL}/api/users`, null, { headers }],
+        ['GET', `${BASE_URL}/api/roles`, null, { headers }],
+        ['GET', `${BASE_URL}/api/config`, null, { headers }],
+        ['GET', `${BASE_URL}/api/notices`, null, { headers }],
+        ['GET', `${BASE_URL}/api/files`, null, { headers }],
+    ]);
+
+    responses.forEach((res) => {
+        check(res, {
+            'status is 200': (r) => r.status === 200,
+            'response time < 500ms': (r) => r.timings.duration < 500,
+        });
+    });
+
+    sleep(1);
+}
+
+export function teardown(data) {
+    console.log('Performance test completed');
+}