refactor: 重构NVR集群处理逻辑，优化设备树展示

抽离NVR集群相关的公共工具函数，重构isNvrCluster的实现逻辑。修复原有设备树中NVR分组的逻辑错误，原本会将所有单机NVR添加到每个集群的子节点中，现在会正确将单机NVR分配到对应集群，未归属的单机NVR作为独立节点。简化设备树组件的代码，统一使用封装后的工具方法处理集群分组。修复设备定位时的集群匹配逻辑，使用更准确的IP包含判断。初始化设备树数据的默认空值，修正类型定义错误。

src/helpers/device/nvr/util.ts

@@ -1,8 +1,56 @@
 import type { NdmNvrResultVO } from '@/apis';
 
+// 解析 clusterList 字段
+export const parseIpListFromClusterList = (nvr: NdmNvrResultVO) => {
+  const ipList = (nvr.clusterList ?? '').split(';');
+  return ipList.map((ip) => ip.trim()).filter((ip) => !!ip);
+};
+
 export const isNvrCluster = (maybeNvrCluster: NdmNvrResultVO) => {
-  const { ipAddress, clusterList } = maybeNvrCluster;
-  if (!clusterList?.trim()) return false;
-  if (clusterList === ipAddress) return false;
+  const { ipAddress } = maybeNvrCluster;
+  const ipList = parseIpListFromClusterList(maybeNvrCluster);
+  if (ipList.length === 0) return false;
+  if (ipList.length === 1 && ipList.at(0) === ipAddress) return false;
   return true;
 };
+
+export const nvrInCluster = (nvr: NdmNvrResultVO, cluster: NdmNvrResultVO) => {
+  const { ipAddress } = nvr;
+  if (!ipAddress) return false;
+  const ipList = parseIpListFromClusterList(cluster);
+  return ipList.includes(ipAddress);
+};
+
+export const createNvrClusterRelationship = (nvrDevices: NdmNvrResultVO[]) => {
+  const nvrClusters = nvrDevices.filter((nvr) => isNvrCluster(nvr));
+  const nvrNotClusters = nvrDevices.filter((nvr) => !isNvrCluster(nvr));
+  const nodedNvrIpAddressSet = new Set<string | null>();
+  const nvrStandalones: NdmNvrResultVO[] = [];
+  const nvrTreeMap = new Map<string, NdmNvrResultVO[]>();
+  // 遍历所有非集群录像机，将它们分配到对应的录像机集群中
+  for (const nvr of nvrNotClusters) {
+    for (const cluster of nvrClusters) {
+      if (nvrInCluster(nvr, cluster)) {
+        if (!!cluster.ipAddress) {
+          // 写入录像机与集群的关系
+          nvrTreeMap.set(cluster.ipAddress, [...(nvrTreeMap.get(cluster.ipAddress) ?? []), nvr]);
+          // 记录已分配的录像机IP地址
+          nodedNvrIpAddressSet.add(nvr.ipAddress);
+        }
+      }
+    }
+  }
+  // 分配完成后，过滤出未分配的录像机，形成录像机单机列表
+  nvrNotClusters.forEach((device) => {
+    if (!nodedNvrIpAddressSet.has(device.ipAddress)) {
+      nvrStandalones.push(device);
+    }
+  });
+
+  return {
+    nvrClusters,
+    // nvrNotClusters,
+    nvrTreeMap,
+    nvrStandalones,
+  };
+};