feat(upload): refactor file management with statistics and multi-tab layout

frontend/lib/services/upload/upload.service.ts

@@ -1,5 +1,5 @@
 import {BaseService} from '../core/base.service'
-import type {ListUploadsResponse, Upload, UploadImageResponse} from './types'
+import type {ListUploadsResponse, Upload, UploadImageResponse, FileStatsResponse} from './types'
 import type {InternalAxiosRequestConfig} from 'axios'
 
 export type ImageQuality = 'low' | 'medium' | 'high' | 'origin'
@@ -86,6 +86,13 @@ export class UploadService extends BaseService {
     return this.get<ListUploadsResponse>('/my', params)
   }
 
+  /**
+   * 获取当前用户文件统计信息
+   */
+  static async getFileStats(): Promise<FileStatsResponse> {
+    return this.get<FileStatsResponse>('/stats')
+  }
+
   /**
    * 删除文件
    */