feat: 添加完整的前端管理系统 (VbenAdmin)

- 添加基于 VbenAdmin + Vue3 + Element Plus 的前端管理系统
- 包含完整的 UI 组件库和工具链
- 支持多应用架构 (web-ele, backend-mock, playground)
- 包含完整的开发规范和配置
- 修复 admin 目录的子模块问题，确保正确提交

admin/apps/web-ele/src/api/common/storage.ts

@@ -0,0 +1,207 @@
+import { requestClient } from '#/api/request';
+
+// 存储配置接口
+export interface StorageConfig {
+  driver: 'local' | 'oss' | 'cos' | 'qiniu' | 'upyun' | 's3';
+  // 本地存储配置
+  local_path?: string;
+  local_domain?: string;
+  // 阿里云OSS配置
+  oss_access_key_id?: string;
+  oss_access_key_secret?: string;
+  oss_bucket?: string;
+  oss_region?: string;
+  oss_domain?: string;
+  oss_is_private?: boolean;
+  // 腾讯云COS配置
+  cos_secret_id?: string;
+  cos_secret_key?: string;
+  cos_bucket?: string;
+  cos_region?: string;
+  // 七牛云配置
+  qiniu_access_key?: string;
+  qiniu_secret_key?: string;
+  qiniu_bucket?: string;
+  qiniu_domain?: string;
+  // 又拍云配置
+  upyun_username?: string;
+  upyun_password?: string;
+  upyun_bucket?: string;
+  upyun_domain?: string;
+  // AWS S3配置
+  s3_access_key_id?: string;
+  s3_secret_access_key?: string;
+  s3_bucket?: string;
+  s3_region?: string;
+  s3_endpoint?: string;
+  // 上传限制
+  max_size: number;
+  allowed_types: string[];
+  // 图片处理
+  thumbnail_enabled: boolean;
+  thumbnail_width?: number;
+  thumbnail_height?: number;
+  // 其他设置
+  enabled: boolean;
+  is_default: boolean;
+}
+
+// 存储统计接口
+export interface StorageStats {
+  total_files: number;
+  total_size: number;
+  used_space: string;
+  available_space: string;
+  files_by_type: Record<string, number>;
+  upload_trend: Array<{
+    date: string;
+    count: number;
+    size: number;
+  }>;
+}
+
+// 文件信息接口
+export interface FileInfo {
+  id: string;
+  name: string;
+  path: string;
+  url: string;
+  size: number;
+  type: string;
+  mime_type: string;
+  driver: string;
+  created_at: string;
+  updated_at: string;
+}
+
+// 上传结果接口
+export interface UploadResult {
+  success: boolean;
+  url: string;
+  path: string;
+  size: number;
+  type: string;
+  name: string;
+}
+
+/**
+ * 获取存储配置
+ */
+export function getStorageConfigApi() {
+  return requestClient.get<StorageConfig>('/admin/settings/storage');
+}
+
+/**
+ * 更新存储配置
+ */
+export function updateStorageConfigApi(data: StorageConfig) {
+  return requestClient.put('/admin/settings/storage', data);
+}
+
+/**
+ * 测试存储配置
+ */
+export function testStorageApi(formData: FormData) {
+  return requestClient.post<UploadResult>('/admin/settings/storage/test', formData, {
+    headers: {
+      'Content-Type': 'multipart/form-data',
+    },
+  });
+}
+
+/**
+ * 重置存储配置
+ */
+export function resetStorageConfigApi() {
+  return requestClient.post('/admin/settings/storage/reset');
+}
+
+/**
+ * 获取存储统计信息
+ */
+export function getStorageStatsApi() {
+  return requestClient.get<StorageStats>('/admin/settings/storage/stats');
+}
+
+/**
+ * 获取文件列表
+ */
+export function getFileListApi(params?: {
+  page?: number;
+  limit?: number;
+  type?: string;
+  driver?: string;
+  keyword?: string;
+}) {
+  return requestClient.get<{
+    list: FileInfo[];
+    total: number;
+    page: number;
+    limit: number;
+  }>('/admin/files', { params });
+}
+
+/**
+ * 删除文件
+ */
+export function deleteFileApi(id: string) {
+  return requestClient.delete(`/admin/files/${id}`);
+}
+
+/**
+ * 批量删除文件
+ */
+export function batchDeleteFilesApi(ids: string[]) {
+  return requestClient.delete('/admin/files/batch', { data: { ids } });
+}
+
+/**
+ * 上传文件
+ */
+export function uploadFileApi(formData: FormData) {
+  return requestClient.post<UploadResult>('/admin/files/upload', formData, {
+    headers: {
+      'Content-Type': 'multipart/form-data',
+    },
+  });
+}
+
+/**
+ * 获取文件详情
+ */
+export function getFileDetailApi(id: string) {
+  return requestClient.get<FileInfo>(`/admin/files/${id}`);
+}
+
+/**
+ * 清理无效文件
+ */
+export function cleanInvalidFilesApi() {
+  return requestClient.post('/admin/files/clean');
+}
+
+/**
+ * 同步文件信息
+ */
+export function syncFilesApi() {
+  return requestClient.post('/admin/files/sync');
+}
+
+/**
+ * 验证存储配置
+ */
+export function validateStorageConfigApi(data: Partial<StorageConfig>) {
+  return requestClient.post<{ valid: boolean; message?: string }>(
+    '/admin/settings/storage/validate',
+    data
+  );
+}
+
+/**
+ * 获取存储驱动模板配置
+ */
+export function getStorageDriverTemplateApi(driver: string) {
+  return requestClient.get<Partial<StorageConfig>>(
+    `/admin/settings/storage/template/${driver}`
+  );
+}