refactor(frontend): P1-P2 续 — API 子模块化、大组件拆分、Query 铺开

- api/server/ 与 api/cloud/ 子目录拆分，保持 @/api 导入不变
- hooks/api 新增 useCredentials、usePromDatasources，增强 useServers
- 拆分 CredentialManager、DeploymentWorkload、PrometheusDatasourceManager
- ServerManager、CredentialManager、PromDs 接入 TanStack Query

frontend/src/api/server.ts

@@ -1,104 +1,3 @@
-// 服务器/资产/区域/资源型号
-// 从 services/api.ts 拆分 — Q3 api.ts 模块化
+// 服务器域 API — 子模块 re-export（保持 @/api 导入路径不变） // Logan.Li
 
-import { http, type ListResponse } from '@/utils/request';
-
-export const serverApi = {
-  getServers: async (params?: { page?: number; page_size?: number; keyword?: string; status?: string }) => {
-    return http.get<ListResponse>('/servers', params);
-  },
-  getServerDetail: async (id: number | string) => {
-    return http.get(`/servers/${id}`);
-  },
-  getServerStats: async () => {
-    return http.get('/servers/stats');
-  },
-  createServer: async ( data: any) => {
-    return http.post('/servers', data);
-  },
-  updateServer: async (id: number | string, data: any) => {
-    return http.put(`/servers/${id}`, data);
-  },
-  deleteServer: async (id: number | string) => {
-    return http.delete(`/servers/${id}`);
-  },
-  batchDelete: async (ids: number[]) => {
-    return http.post('/servers/batch-delete', { ids });
-  },
-  batchCreate: async (data: { servers: any[]; region_id?: string; auth_type?: string; credential_id?: number; default_port?: number }) => {
-    return http.post('/servers/batch', data);
-  },
-  getMetrics: async (_id: number | string) => {
-    // 后端暂无单机 metrics，用 dashboard metrics
-    return http.get('/dashboard/metrics');
-  },
-  // 远程安装 Agent（通过 SSH 执行安装脚本），可选传入凭据
-  installAgent: async (id: number | string, token: string, creds?: { username?: string; password?: string; ssh_key?: string; auth_type?: string }) => {
-    const body: Record<string, any> = { token };
-    if (creds) Object.assign(body, creds);
-    return http.post<{ installed: boolean; arch: string; output: string }>(`/servers/${id}/install-agent`, body);
-  },
-  // 批量远程安装 Agent
-  batchInstallAgent: async (ids: number[], token: string) => {
-    return http.post<{ total: number; success: number; results: any[] }>(`/servers/install-agent?token=${encodeURIComponent(token)}`, { server_ids: ids });
-  },
-
-  // SFTP 文件浏览
-  listFiles: async (serverId: number, path: string) => {
-    return http.get(`/servers/${serverId}/files?path=${encodeURIComponent(path)}`);
-  },
-  downloadFile: async (serverId: number, filePath: string) => {
-    return http.download(`/servers/${serverId}/files/download?path=${encodeURIComponent(filePath)}`);
-  },
-  uploadFile: async (serverId: number, dirPath: string, file: File) => {
-    const formData = new FormData();
-    formData.append('file', file);
-    return http.upload(`/servers/${serverId}/files/upload?path=${encodeURIComponent(dirPath)}`, formData);
-  },
-  deleteFile: async (serverId: number, filePath: string) => {
-    return http.delete(`/servers/${serverId}/files?path=${encodeURIComponent(filePath)}`);
-  },
-  mkdir: async (serverId: number, dirPath: string) => {
-    return http.post(`/servers/${serverId}/files/mkdir`, { path: dirPath });
-  },
-};
-
-// ==================== Kubernetes 集群 API ====================
-
-export const regionApi = {
-  list: async () => {
-    return http.get<ListResponse>('/regions');
-  },
-  create: async ( data: any) => {
-    return http.post('/regions', data);
-  },
-  update: async (id: number | string, data: any) => {
-    return http.put(`/regions/${id}`, data);
-  },
-  delete: async (id: number | string) => {
-    return http.delete(`/regions/${id}`);
-  },
-  // 批量删除 // Logan.Li
-  batchDelete: async (ids: number[]) => {
-    return http.delete('/regions/batch-delete', { ids });
-  },
-};
-
-// ==================== 资源模型 API ====================
-
-export const resourceModelApi = {
-  list: async () => {
-    return http.get<ListResponse>('/resource-models');
-  },
-  create: async ( data: any) => {
-    return http.post('/resource-models', data);
-  },
-  update: async (id: number | string, data: any) => {
-    return http.put(`/resource-models/${id}`, data);
-  },
-  delete: async (id: number | string) => {
-    return http.delete(`/resource-models/${id}`);
-  },
-};
-
-// ==================== 审计日志 API ====================
+export * from './server/index';