feat(alert-center): 添加飞书Webhook通知渠道 + 告警引擎实时通知

- 后端: NotifyChannel 模型新增 feishu 类型, FeishuWebhookConfig
- 后端: TestNotifyChannel 真实发送飞书测试消息(文本格式)
- 后端: 告警引擎触发/恢复时自动发送飞书通知(sendFeishuAlert/sendFeishuRecovery)
- 后端: AlertEngine 新增 tcp_time_wait/tcp_close_wait/service_process 指标检测
- 后端: NetworkStatModel 新增 TCPCloseWait 字段
- 后端: QuickSetupRules 一键创建6条告警规则(CPU/内存/磁盘/TIME_WAIT/CLOSE_WAIT/进程)
- 后端: 注册 /alerts/quick-setup 路由
- 前端: AlertChannelDialog 新增飞书类型选项
- 前端: helpers 新增 getChannelIcon/getChannelTypeLabel 支持 feishu/dingtalk/wechat

frontend/src/services/api.ts

@@ -175,6 +175,9 @@ export const kubernetesApi = {
   getNodes: async (clusterId: number | string) => {
     return http.get(`/kubernetes-clusters/${clusterId}/nodes`);
   },
+  getClusterNodes: async (clusterCode: string) => {
+    return http.get(`/kubernetes/${clusterCode}/nodes`);
+  },
   getNodeDetail: async (clusterCode: string, nodeName: string) => {
     return http.get(`/kubernetes/${clusterCode}/nodes/${encodeURIComponent(nodeName)}`);
   },
@@ -971,8 +974,10 @@ export const deployApi = {
   getTools: () => http.get<ListResponse>('/deploy/tools'),
   getTool: (id: number | string) => http.get(`/deploy/tools/${id}`),
   updateTool: (id: number | string, data: any) => http.put(`/deploy/tools/${id}`, data),
-  installTool: (id: number | string) => http.post(`/deploy/tools/${id}/install`),
+  installTool: (id: number | string, version?: string) =>
+    http.post(`/deploy/tools/${id}/install`, version ? { version } : {}),
   checkTool: (id: number | string) => http.post(`/deploy/tools/${id}/check`),
+  getToolVersions: (id: number | string) => http.get(`/deploy/tools/${id}/versions`),
 };
 
 // ==================== Ansible 自动化 API ====================