feat(k8s): A1 K8s 双路由体系统一 — code 路由为主, ID 路由标记 deprecated

后端:
- 新增 4 条 all-NS code 路由: services/ingresses/cronjobs/nodes
- ListNodes 改用 getK8sClientByCode (兼容 ID+code)
- ID 域资源路由标记 // Deprecated

前端:
- clusterApi/nodeApi/workloadApi 资源方法迁移到 code 路由
- KubernetesClusterDetail/TopologyView/KubernetesNodes 组件从 cluster.id 迁移到 cluster.code
- 修复潜在 bug: ClusterOverviewPage 曾将 code 传给 ID-based getNodes

验证: 16/16 API 测试通过 (7 新 code 路由 + 3 旧 ID 兼容 + 6 回归)
go build=✅ tsc -b=✅ npm build=✅

frontend/src/api/kubernetes/cluster.ts

@@ -8,10 +8,11 @@ export const clusterApi = {
   createCluster: async (data: Record<string, unknown>) => http.post('/kubernetes-clusters', data),
   updateCluster: async (id: number | string, data: Record<string, unknown>) => http.put(`/kubernetes-clusters/${id}`, data),
   deleteCluster: async (id: number | string) => http.delete(`/kubernetes-clusters/${id}`),
-  getPods: async (clusterId: number | string) => http.get(`/kubernetes-clusters/${clusterId}/pods`),
-  getDeployments: async (clusterId: number | string) => http.get(`/kubernetes-clusters/${clusterId}/deployments`),
-  getServices: async (clusterId: number | string) => http.get(`/kubernetes-clusters/${clusterId}/services`),
-  getIngresses: async (clusterId: number | string) => http.get(`/kubernetes-clusters/${clusterId}/ingresses`),
+  // 资源列举 — 统一使用 Kuboard code 路由 (ROADMAP A1)
+  getPods: async (clusterCode: string) => http.get(`/kubernetes/${clusterCode}/pods`),
+  getDeployments: async (clusterCode: string) => http.get(`/kubernetes/${clusterCode}/deployments`),
+  getServices: async (clusterCode: string) => http.get(`/kubernetes/${clusterCode}/services`),
+  getIngresses: async (clusterCode: string) => http.get(`/kubernetes/${clusterCode}/ingresses`),
   syncCluster: async (clusterId: number | string) => http.post(`/kubernetes-clusters/${clusterId}/sync`),
   exportAllResources: async (clusterCode: string) =>
     http.download(`/kubernetes/${clusterCode}/export`, `cluster-${clusterCode}-resources.tar.gz`),

frontend/src/api/kubernetes/node.ts

@@ -3,7 +3,9 @@
 import { http } from '@/utils/request';
 
 export const nodeApi = {
-  getNodes: async (clusterId: number | string) => http.get(`/kubernetes-clusters/${clusterId}/nodes`),
+  // 统一使用 Kuboard code 路由 (ROADMAP A1)
+  getNodes: async (clusterCode: string) => http.get(`/kubernetes/${clusterCode}/nodes`),
+  // 别名 — 保持向后兼容（旧代码可能调用 getClusterNodes）
   getClusterNodes: async (clusterCode: string) => http.get(`/kubernetes/${clusterCode}/nodes`),
   getNodeDetail: async (clusterCode: string, nodeName: string) =>
     http.get(`/kubernetes/${clusterCode}/nodes/${encodeURIComponent(nodeName)}`),

frontend/src/api/kubernetes/workload.ts

@@ -42,7 +42,7 @@ export const workloadApi = {
     http.delete(`/kubernetes/${clusterCode}/namespace/${namespace}/hpas/${name}`),
   getCronJobs: async (clusterCode: string, namespace?: string) => {
     if (namespace) return http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/cronjobs`);
-    return http.get(`/kubernetes-clusters/${clusterCode}/cronjobs`);
+    return http.get(`/kubernetes/${clusterCode}/cronjobs`);
   },
   createCronJob: async (
     clusterCode: string,