feat: 新增设备巡检模块实现完整的巡检告警功能

新增设备巡检模块核心功能，包括：
- 巡检数据存储与调度系统
- 华为/H3C交换机及Linux服务器采集器
- 设备扩展配置与告警规则管理
- 主机详情页巡检配置入口
- 产品名称自定义设置功能
- 网络设备SSH exec通道兼容处理

domain/systemManager/systemTarget.ts

@@ -93,7 +93,10 @@ export function shouldCollectServerStats(
   _session: TerminalSession | null | undefined,
 ): boolean {
   const detectedDeviceClass = classifyDistroId(host?.distro);
-  if (isNetworkDeviceTarget(host) || detectedDeviceClass === 'network-device') return false;
+  // Network devices (H3C, Huawei, Cisco, etc.) now have their own PTY-shell
+  // based stats collector via getServerStats — allow polling so the panel
+  // shows CPU/memory/port data instead of staying empty.
+  if (isNetworkDeviceTarget(host) || detectedDeviceClass === 'network-device') return true;
   if (capabilities?.targetOs && capabilities.targetOs !== 'unknown') {
     return capabilities.targetOs === 'linux' || capabilities.targetOs === 'darwin' || capabilities.targetOs === 'windows';
   }