feat: 添加访问令牌管理功能并升级至 0.2.4

- 新增 Management Token（访问令牌）功能，支持创建、更新、删除和管理
- 前端添加访问令牌管理页面，支持普通用户和管理员
- 后端实现完整的令牌生命周期管理 API
- 添加数据库迁移脚本创建 management_tokens 表
- Nginx 配置添加 gzip 压缩，优化响应传输
- Dialog 组件添加 persistent 属性，防止意外关闭
- 为管理后台 API 添加详细的中文文档注释
- 简化多处类型注解，统一代码风格

frontend/src/router/index.ts

@@ -34,6 +34,11 @@ const routes: RouteRecordRaw[] = [
         name: 'MyApiKeys',
         component: () => importWithRetry(() => import('@/views/user/MyApiKeys.vue'))
       },
+      {
+        path: 'management-tokens',
+        name: 'ManagementTokens',
+        component: () => importWithRetry(() => import('@/views/user/ManagementTokens.vue'))
+      },
       {
         path: 'announcements',
         name: 'Announcements',
@@ -81,6 +86,11 @@ const routes: RouteRecordRaw[] = [
         name: 'ApiKeys',
         component: () => importWithRetry(() => import('@/views/admin/ApiKeys.vue'))
       },
+      {
+        path: 'management-tokens',
+        name: 'AdminManagementTokens',
+        component: () => importWithRetry(() => import('@/views/user/ManagementTokens.vue'))
+      },
       {
         path: 'providers',
         name: 'ProviderManagement',