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

application/state/useServerStats.ts

@@ -50,6 +50,11 @@ export interface ServerStats {
   latencyMs: number | null;     // TCP connection establishment latency to the SSH endpoint
   netInterfaces: NetInterfaceInfo[];  // Per-interface network stats
   lastUpdated: number | null;   // Timestamp of last successful update
+  // Network-device extended fields (H3C / Huawei / Cisco PTY-shell collector).
+  // POSIX / Windows collectors never populate these.
+  networkDevicePorts?: { name: string; phy: string }[];
+  networkDevicePortUp?: number;
+  networkDevicePortDown?: number;
 }
 
 interface UseServerStatsOptions {
@@ -217,6 +222,10 @@ function normalizeServerStats(stats: Partial<ServerStats>): ServerStats {
     latencyMs: Number.isFinite(stats.latencyMs) ? Number(stats.latencyMs) : null,
     netInterfaces: stats.netInterfaces || [],
     lastUpdated: Date.now(),
+    // Network-device extended fields — passthrough from backend PTY-shell collector
+    networkDevicePorts: Array.isArray(stats.networkDevicePorts) ? stats.networkDevicePorts : undefined,
+    networkDevicePortUp: stats.networkDevicePortUp,
+    networkDevicePortDown: stats.networkDevicePortDown,
   };
 }