refactor(frontend): services/api 迁至 src/api，http 迁至 utils/request

对齐 Vue 后台惯例：
- src/api/          域 API（原 services/api）
- src/utils/request.ts  HTTP 封装（原 services/http.ts）
- src/utils/export.ts  客户端导出工具
- src/utils/index.ts   工具统一出口

全局导入改为 @/api 与 @/utils/request，tsc + build 通过。

frontend/src/api/kubernetes/resource.ts

@@ -0,0 +1,48 @@
+// Kubernetes 命名空间资源 / YAML / 事件 / 容量 API // Logan.Li
+
+import { http } from '@/utils/request';
+
+export const resourceApi = {
+  getNamespaceServices: async (clusterCode: string, namespace: string) =>
+    http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/services`),
+  getNamespaceIngresses: async (clusterCode: string, namespace: string) =>
+    http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/ingresses`),
+  getNamespaceConfigMaps: async (clusterCode: string, namespace: string) =>
+    http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/configmaps`),
+  getNamespaceSecrets: async (clusterCode: string, namespace: string) =>
+    http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/secrets`),
+  getPVCs: async (clusterCode: string, namespace: string) =>
+    http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/pvcs`),
+  deletePVC: async (clusterCode: string, namespace: string, name: string) =>
+    http.delete(`/kubernetes/${clusterCode}/namespace/${namespace}/pvcs/${name}`),
+  getServiceAccounts: async (clusterCode: string, namespace: string) =>
+    http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/serviceaccounts`),
+  getRoles: async (clusterCode: string, namespace: string) =>
+    http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/roles`),
+  getRoleBindings: async (clusterCode: string, namespace: string) =>
+    http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/rolebindings`),
+  getResourceYaml: async (clusterCode: string, namespace: string, resource: string, name: string) =>
+    http.getRaw(`/kubernetes/${clusterCode}/namespace/${namespace}/${resource}/${name}/yaml`),
+  updateResourceYaml: async (clusterCode: string, namespace: string, resource: string, name: string, yaml: string) =>
+    http.putRaw(`/kubernetes/${clusterCode}/namespace/${namespace}/${resource}/${name}/yaml`, yaml, 'application/yaml'),
+  deleteResourceYaml: async (clusterCode: string, namespace: string, resource: string, name: string) =>
+    http.delete(`/kubernetes/${clusterCode}/namespace/${namespace}/${resource}/${name}/yaml`),
+  getEvents: async (clusterCode: string, namespace?: string, type?: string) => {
+    const params: Record<string, string> = {};
+    if (namespace) params.namespace = namespace;
+    if (type) params.type = type;
+    return http.get(`/kubernetes/${clusterCode}/events`, params);
+  },
+  getEventsSummary: async (clusterCode: string, namespace?: string, hours?: number) => {
+    const params: Record<string, string | number> = {};
+    if (namespace) params.namespace = namespace;
+    if (hours) params.hours = hours;
+    return http.get(`/kubernetes/${clusterCode}/events/summary`, params);
+  },
+  getCapacity: async (clusterCode: string, namespace?: string) => {
+    const params = namespace ? { namespace } : undefined;
+    return http.get(`/kubernetes/${clusterCode}/capacity`, params);
+  },
+  applyYAML: async (clusterCode: string, yaml: string) =>
+    http.post(`/kubernetes/${clusterCode}/yaml/apply`, { yaml }),
+};