refactor(frontend): UI/UX改进和组件优化

- DataTable组件操作列自适应
- 优化各种Modal弹窗
- 统一API调用方式（AbortSignal）
- 添加全局订阅状态管理
- 优化各管理视图的交互和布局
- 修复国际化翻译问题

frontend/src/api/admin/usage.ts

@@ -41,9 +41,13 @@ export interface AdminUsageQueryParams extends UsageQueryParams {
  * @param params - Query parameters for filtering and pagination
  * @returns Paginated list of usage logs
  */
-export async function list(params: AdminUsageQueryParams): Promise<PaginatedResponse<UsageLog>> {
+export async function list(
+  params: AdminUsageQueryParams,
+  options?: { signal?: AbortSignal }
+): Promise<PaginatedResponse<UsageLog>> {
   const { data } = await apiClient.get<PaginatedResponse<UsageLog>>('/admin/usage', {
-    params
+    params,
+    signal: options?.signal
   })
   return data
 }