统一后台 Table 分页：常开 10/20/50/100 条数切换

- 新增 admin-pagination 工具，标准列表与云触手记录分别配置
- 用户/审计等页补齐 showSizeChanger，避免 total≤50 时无法切换
- ConfigProvider 默认开启条数切换

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

@@ -13,6 +13,11 @@ import type { AdminAuditLogItem } from '@/types/admin'
 import { hasAdminRole } from '@/utils/admin-auth'
 import { formatAuditAction, formatAuditTargetType } from '@/utils/admin-display'
 import { adminAuditActionOptions, adminAuditTargetTypeOptions } from '@/utils/admin-options'
+import {
+  ADMIN_DEFAULT_PAGE_SIZE,
+  buildAdminTablePagination,
+  resolveAdminPageSize,
+} from '@/utils/admin-pagination'
 import { formatAdminDateTime } from '@/utils/admin-time'
 import { stringifyDisplayJson } from '@/utils/date-time'
 
@@ -27,7 +32,7 @@ export default function AdminAuditLogsPage() {
   const isAdmin = hasAdminRole('admin')
   const [searchParams, setSearchParams] = useSearchParams()
   const page = Number(searchParams.get('page') || 1) || 1
-  const pageSize = Number(searchParams.get('pageSize') || 20) || 20
+  const pageSize = resolveAdminPageSize(searchParams.get('pageSize'), ADMIN_DEFAULT_PAGE_SIZE)
   const filters = {
     actorUsername: searchParams.get('actorUsername') || '',
     action: searchParams.get('action') || '',
@@ -195,17 +200,16 @@ export default function AdminAuditLogsPage() {
               dataSource={data?.items || []}
               locale={{ emptyText: <Empty description="暂无审计记录" /> }}
               scroll={{ x: 980 }}
-              pagination={{
+              pagination={buildAdminTablePagination({
                 current: data?.pagination.page || page,
                 pageSize: data?.pagination.pageSize || pageSize,
                 total: data?.pagination.total || 0,
-                showTotal: (total) => `共 ${total} 条`,
                 onChange: (nextPage, nextPageSize) => {
                   setSearchParams(
                     cleanParams({ ...filters, page: nextPage, pageSize: nextPageSize }),
                   )
                 },
-              }}
+              })}
             />
           </Card>
         </>