feat: 增强测试稳定性和可靠性

- 增加登录重试机制（最多3次），提高登录成功率
- 添加后端健康监控，每30秒检查一次后端状态
- 改进测试隔离，每个测试后清理localStorage和sessionStorage
- 优化错误处理和日志输出
- 添加globalTeardown函数，确保测试后正确清理资源

novalon-manage-web/e2e/global-setup.ts

@@ -8,6 +8,42 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 
 let backendProcess: ChildProcess | null = null;
+let healthCheckInterval: NodeJS.Timeout | null = null;
+
+async function checkBackendHealth(): Promise<boolean> {
+  try {
+    const response = await fetch('http://localhost:8084/actuator/health', {
+      signal: AbortSignal.timeout(5000)
+    } as any);
+    if (response.ok) {
+      const data = await response.json();
+      return data.status === 'UP';
+    }
+    return false;
+  } catch (error) {
+    return false;
+  }
+}
+
+function startHealthMonitoring() {
+  if (healthCheckInterval) {
+    clearInterval(healthCheckInterval);
+  }
+  
+  healthCheckInterval = setInterval(async () => {
+    const isHealthy = await checkBackendHealth();
+    if (!isHealthy) {
+      console.error('⚠️  后端服务健康检查失败！');
+    }
+  }, 30000);
+}
+
+function stopHealthMonitoring() {
+  if (healthCheckInterval) {
+    clearInterval(healthCheckInterval);
+    healthCheckInterval = null;
+  }
+}
 
 async function globalSetup(config: FullConfig) {
   console.log('🚀 开始全局测试环境设置...');
@@ -84,6 +120,8 @@ async function globalSetup(config: FullConfig) {
   console.log('🧹 清理测试数据...');
   await cleanupTestData();
   
+  startHealthMonitoring();
+  
   console.log('✅ 全局测试环境设置完成');
 }
 
@@ -198,4 +236,37 @@ async function cleanupTestData(): Promise<void> {
   }
 }
 
+async function globalTeardown() {
+  console.log('🧹 开始全局测试环境清理...');
+  
+  stopHealthMonitoring();
+  
+  if (backendProcess) {
+    console.log('🛑 停止后端服务...');
+    backendProcess.kill('SIGTERM');
+    
+    await new Promise<void>((resolve) => {
+      if (backendProcess) {
+        backendProcess.on('exit', () => {
+          console.log('✅ 后端服务已停止');
+          resolve();
+        });
+        
+        setTimeout(() => {
+          if (backendProcess) {
+            backendProcess.kill('SIGKILL');
+            console.log('⚠️  强制停止后端服务');
+            resolve();
+          }
+        }, 10000);
+      } else {
+        resolve();
+      }
+    });
+  }
+  
+  console.log('✅ 全局测试环境清理完成');
+}
+
 export default globalSetup;
+export { globalTeardown };