feat: 新增日志中心、功能优化与代码重构

- 新增 log_datasource.go / log_proxy.go / user_api_token.go 后端控制器
- 新增 log_datasource.go model
- 新增 monitor/log-center.ts API 模块
- 新增 LogCenter 前端组件及页面
- 重构 deployment 相关组件 (HPDA/UpdateImageModal/bundle-yaml 等)
- 新增 ResetPasswordDialog / code-snippet-block / copy-button 等 UI 组件
- 重构多个 k8s 相关组件 (TopologyView/ResourceVisualEditor/PodFileBrowser 等)
- 更新多个 API 和工具函数 (auth.ts/monitor/index.ts/request.ts 等)
- 更新静态资源 (index.html + 新 JS/CSS bundle)
- 删除废弃静态资源文件

frontend/src/api/monitor/log-center.ts

@@ -0,0 +1,54 @@
+// 日志中心 API — 无状态代理查询，平台不落库海量日志 // Logan.Li
+
+import { http } from '@/utils/request';
+
+export interface LogDataSource {
+  id: number;
+  name: string;
+  type: 'loki' | 'elasticsearch';
+  url: string;
+  basic_auth?: boolean;
+  basic_auth_user?: string;
+  basic_auth_pass?: string;
+  skip_tls_verify?: boolean;
+  default_index?: string;
+  is_default?: boolean;
+  status?: number;
+}
+
+/** 查询结果行 — 仅用于当前页展示，不持久化 // Logan.Li */
+export interface LogQueryEntry {
+  timestamp: string;
+  level?: string;
+  message: string;
+  labels?: Record<string, string>;
+  raw?: string;
+}
+
+export const logCenterApi = {
+  listDatasources: (type?: string) =>
+    http.get<LogDataSource[]>('/log-datasources', type ? { type } : undefined),
+  createDatasource: (data: Record<string, unknown>) => http.post('/log-datasources', data),
+  updateDatasource: (id: number | string, data: Record<string, unknown>) =>
+    http.put(`/log-datasources/${id}`, data),
+  deleteDatasource: (id: number | string) => http.delete(`/log-datasources/${id}`),
+  setDefaultDatasource: (id: number | string) => http.post(`/log-datasources/${id}/default`),
+  testDatasource: (data: Record<string, unknown>) => http.post('/log-datasources/test', data),
+  queryLoki: (data: {
+    datasource_id: number;
+    query: string;
+    limit?: number;
+    start?: string;
+    end?: string;
+    direction?: string;
+  }) => http.post<{ entries: LogQueryEntry[]; total: number }>('/logs/loki/query', data),
+  queryElasticsearch: (data: {
+    datasource_id: number;
+    index?: string;
+    query?: string;
+    query_body?: Record<string, unknown>;
+    size?: number;
+    start?: string;
+    end?: string;
+  }) => http.post<{ entries: LogQueryEntry[]; total: number }>('/logs/elasticsearch/query', data),
+};