feat: 实现邮箱验证注册功能

添加完整的邮箱验证注册系统,包括验证码发送、验证和限流控制:
  - 新增邮箱验证服务模块(email_sender, email_template, email_verification)
  - 更新认证API支持邮箱验证注册流程
  - 添加注册对话框和验证码输入组件
  - 完善IP限流器支持邮箱验证场景
  - 修复前端类型定义问题,升级esbuild依赖

  🤖 Generated with [Claude Code](https://claude.com/claude-code)

  Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

frontend/src/views/admin/CacheMonitoring.vue

@@ -1057,7 +1057,10 @@ onBeforeUnmount(() => {
             <span class="text-xs text-muted-foreground hidden sm:inline">分析用户请求间隔，推荐合适的缓存 TTL</span>
           </div>
           <div class="flex flex-wrap items-center gap-2">
-            <Select v-model="analysisHours" v-model:open="analysisHoursSelectOpen">
+            <Select
+              v-model="analysisHours"
+              v-model:open="analysisHoursSelectOpen"
+            >
               <SelectTrigger class="w-24 sm:w-28 h-8">
                 <SelectValue placeholder="时间段" />
               </SelectTrigger>