fix: 全面优化安全、性能和代码质量

P0: 环境变量校验/事务保护/RBAC权限
P1: 花名册分页/密码重置验证码/ErrorBoundary/N+1查询优化
P2: 导出限制/自定义错误类/body大小限制/代码去重
P3: 自定义确认弹窗替换window.confirm

frontend/src/pages/SocialInsurance.tsx

@@ -1,6 +1,7 @@
 import { useState } from 'react'
 import { toast } from 'sonner'
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
+import { useConfirm } from '../hooks/useConfirm'
 import { Calculator, Info, Check, Settings as SettingsIcon, Plus, History, Download } from 'lucide-react'
 import api from '../lib/api'
 import Card from '../components/ui/Card'
@@ -12,6 +13,7 @@ const fmt = (n: number) => (n || 0).toLocaleString('zh-CN', { minimumFractionDig
 
 export default function SocialInsurance() {
   const queryClient = useQueryClient()
+  const confirm = useConfirm()
   const [tab, setTab] = useState<'social' | 'housing' | 'monthly'>('social')
   const [city, setCity] = useState<string>('北京')
   const [base, setBase] = useState(8000)
@@ -303,8 +305,8 @@ export default function SocialInsurance() {
                 <Button
                   variant="secondary"
                   size="sm"
-                  onClick={() => {
-                    if (window.confirm(`确定要重置${isHousing ? '公积金' : '社保'}基数调整吗？重置后可重新调整。`)) {
+                  onClick={async () => {
+                    if (await confirm({ title: '重置确认', message: `确定要重置${isHousing ? '公积金' : '社保'}基数调整吗？重置后可重新调整。`, variant: 'primary' })) {
                       isHousing ? resetHousingAdjustMutation.mutate() : resetAdjustMutation.mutate()
                     }
                   }}