统一日期时间选择器为中文

- 全局初始化 dayjs zh-cn，修复日历周/月英文
- 新增 AdminDatePicker / AdminRangePicker 统一格式与占位文案
- 任务、审计、云触手、行业售后等筛选统一使用

apps/frontend/src/pages/admin/AdminTasksPage.tsx

@@ -5,15 +5,16 @@ import {
   SwapOutlined,
   UserSwitchOutlined,
 } from '@ant-design/icons'
-import { Alert, App, Button, Card, DatePicker, Form, Input, Select, Space, Table, Tag, Typography } from 'antd'
+import { Alert, App, Button, Card, Form, Input, Select, Space, Table, Tag, Typography } from 'antd'
 import type { TableColumnsType } from 'antd'
 import { useQuery } from '@tanstack/react-query'
-import dayjs from 'dayjs'
 import { useMemo, useState } from 'react'
 import { useNavigate, useSearchParams } from 'react-router'
 
+import { AdminRangePicker } from '@/components/admin/AdminDatePicker'
 import PageHeader from '@/components/admin/PageHeader'
 import StatusTag from '@/components/admin/StatusTag'
+import dayjs from '@/lib/dayjs'
 import {
   closeAdminTask,
   fetchAdminTasks,
@@ -369,7 +370,7 @@ export default function AdminTasksPage() {
             <Input allowClear placeholder="商品名 / SKU" />
           </Form.Item>
           <Form.Item name="dateRange">
-            <DatePicker.RangePicker />
+            <AdminRangePicker />
           </Form.Item>
           <Form.Item>
             <Space>