fix(settings): Bestätigungsdialog vor Service-Restart + status-dot CSS (v1.1.138)

- Popconfirm vor jedem Restart-Button — kein versehentlicher Neustart mehr
- status-dot inline styles → .status-dot.online/.offline CSS-Klassen

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

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

@@ -1,4 +1,4 @@
-import { Alert, Button, Card, Descriptions, Form, Input, InputNumber, Select, Space, Spin, Switch, Tooltip, Typography, message } from 'antd'
+import { Alert, Button, Card, Descriptions, Form, Input, InputNumber, Popconfirm, Select, Space, Spin, Switch, Tooltip, Typography, message } from 'antd'
 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'
@@ -407,13 +407,7 @@ export default function SettingsPage() {
             return (
               <Space key={svc} style={{ width: '100%', justifyContent: 'space-between' }}>
                 <Space size={6}>
-                  <span
-                    style={{
-                      display: 'inline-block', width: 8, height: 8, borderRadius: '50%',
-                      background: status?.active ? '#22c55e' : '#ef4444',
-                      flexShrink: 0,
-                    }}
-                  />
+                  <span className={`status-dot ${status?.active ? 'online' : 'offline'}`} />
                   <Typography.Text style={{ fontFamily: 'monospace', fontSize: 13 }}>{svc}</Typography.Text>
                   {status && (
                     <Typography.Text type="secondary" style={{ fontSize: 11 }}>
@@ -422,15 +416,23 @@ export default function SettingsPage() {
                   )}
                 </Space>
                 <Tooltip title={isViewer ? t('auth.viewerBadge') : undefined}>
-                  <Button
-                    size="small"
-                    icon={<ReloadOutlined />}
-                    loading={restartingService === svc}
+                  <Popconfirm
+                    title={t('settings.serviceRestartConfirmTitle', { service: svc })}
+                    description={t('settings.serviceRestartConfirmDesc')}
+                    okText={t('settings.serviceRestartConfirmOk')}
+                    cancelText={t('common.cancel')}
                     disabled={isViewer}
-                    onClick={() => serviceRestart.mutate(svc)}
+                    onConfirm={() => serviceRestart.mutate(svc)}
                   >
-                    {t('settings.serviceRestartBtn')}
-                  </Button>
+                    <Button
+                      size="small"
+                      icon={<ReloadOutlined />}
+                      loading={restartingService === svc}
+                      disabled={isViewer}
+                    >
+                      {t('settings.serviceRestartBtn')}
+                    </Button>
+                  </Popconfirm>
                 </Tooltip>
               </Space>
             )