feat(settings): Copy + Download buttons for config preview

v1.1.100

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

management-ui/src/pages/Settings/index.tsx

@@ -1,5 +1,5 @@
 import { Alert, Button, Card, Descriptions, Form, Input, InputNumber, Select, Space, Spin, Switch, Tooltip, Typography, message } from 'antd'
-import { CloudDownloadOutlined, CloudSyncOutlined, CodeOutlined, DatabaseOutlined, ExclamationCircleOutlined, FileSearchOutlined, GlobalOutlined, LockOutlined, MailOutlined, ReloadOutlined, SettingOutlined, StopOutlined, ToolOutlined } from '@ant-design/icons'
+import { CloudDownloadOutlined, CloudSyncOutlined, CodeOutlined, CopyOutlined, DatabaseOutlined, DownloadOutlined, ExclamationCircleOutlined, FileSearchOutlined, GlobalOutlined, LockOutlined, MailOutlined, ReloadOutlined, SettingOutlined, StopOutlined, ToolOutlined } from '@ant-design/icons'
 import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
 import { useEffect, useState } from 'react'
 import { useTranslation } from 'react-i18next'
@@ -702,7 +702,7 @@ export default function SettingsPage() {
         size="small"
       >
         <Space direction="vertical" size={8} style={{ width: '100%' }}>
-          <Space>
+          <Space wrap>
             <Select
               value={previewGen}
               onChange={(v) => setPreviewGen(v)}
@@ -723,6 +723,33 @@ export default function SettingsPage() {
             >
               {t('settings.configPreviewBtn')}
             </Button>
+            {previewData?.content && (
+              <>
+                <Button
+                  icon={<CopyOutlined />}
+                  onClick={() => {
+                    void navigator.clipboard.writeText(previewData.content)
+                    void msg.success(t('settings.configCopied'))
+                  }}
+                >
+                  {t('common.copy')}
+                </Button>
+                <Button
+                  icon={<DownloadOutlined />}
+                  onClick={() => {
+                    const blob = new Blob([previewData.content], { type: 'text/plain' })
+                    const url = URL.createObjectURL(blob)
+                    const a = document.createElement('a')
+                    a.href = url
+                    a.download = `${previewData.generator}.conf`
+                    a.click()
+                    URL.revokeObjectURL(url)
+                  }}
+                >
+                  {t('common.download')}
+                </Button>
+              </>
+            )}
           </Space>
           {previewData?.content && (
             <pre style={{