feat(admin): add ConfigSync page + close ADMIN-01/02 (AUDIT_TRACKER)

- ADMIN-01 FIXED: ConfigSync.tsx page with ProTable + pagination
  - config-sync service calling GET /config/sync-logs
  - route + nav item + breadcrumb
  - backend @reserved → @connected
- ADMIN-02 FALSE_POSITIVE: Logs.tsx + logs service already exist

admin-v2/src/pages/ConfigSync.tsx

@@ -0,0 +1,111 @@
+// ============================================================
+// 配置同步日志
+// ============================================================
+
+import { useState } from 'react'
+import { useQuery } from '@tanstack/react-query'
+import { Tag, Typography } from 'antd'
+import type { ProColumns } from '@ant-design/pro-components'
+import { ProTable } from '@ant-design/pro-components'
+import { configSyncService } from '@/services/config-sync'
+import type { ConfigSyncLog } from '@/types'
+
+const { Title } = Typography
+
+const actionLabels: Record<string, string> = {
+  push: '推送',
+  merge: '合并',
+  pull: '拉取',
+  diff: '差异',
+}
+
+const actionColors: Record<string, string> = {
+  push: 'blue',
+  merge: 'green',
+  pull: 'cyan',
+  diff: 'orange',
+}
+
+export default function ConfigSync() {
+  const [page, setPage] = useState(1)
+
+  const { data, isLoading } = useQuery({
+    queryKey: ['config-sync', page],
+    queryFn: ({ signal }) => configSyncService.list({ page, page_size: 20 }, signal),
+  })
+
+  const columns: ProColumns<ConfigSyncLog>[] = [
+    {
+      title: '操作',
+      dataIndex: 'action',
+      width: 100,
+      render: (_, r) => (
+        <Tag color={actionColors[r.action] || 'default'}>
+          {actionLabels[r.action] || r.action}
+        </Tag>
+      ),
+    },
+    {
+      title: '客户端指纹',
+      dataIndex: 'client_fingerprint',
+      width: 160,
+      render: (_, r) => <code>{r.client_fingerprint.substring(0, 16)}...</code>,
+    },
+    {
+      title: '配置键',
+      dataIndex: 'config_keys',
+      width: 200,
+      ellipsis: true,
+    },
+    {
+      title: '客户端值',
+      dataIndex: 'client_values',
+      width: 150,
+      ellipsis: true,
+      render: (_, r) => r.client_values || '-',
+    },
+    {
+      title: '服务端值',
+      dataIndex: 'saas_values',
+      width: 150,
+      ellipsis: true,
+      render: (_, r) => r.saas_values || '-',
+    },
+    {
+      title: '解决方式',
+      dataIndex: 'resolution',
+      width: 120,
+      render: (_, r) => r.resolution || '-',
+    },
+    {
+      title: '时间',
+      dataIndex: 'created_at',
+      width: 180,
+      render: (_, r) => new Date(r.created_at).toLocaleString('zh-CN'),
+    },
+  ]
+
+  return (
+    <div>
+      <div style={{ marginBottom: 24 }}>
+        <Title level={4} style={{ margin: 0 }}>配置同步日志</Title>
+      </div>
+
+      <ProTable<ConfigSyncLog>
+        columns={columns}
+        dataSource={data?.items ?? []}
+        loading={isLoading}
+        rowKey="id"
+        search={false}
+        toolBarRender={false}
+        pagination={{
+          total: data?.total ?? 0,
+          pageSize: 20,
+          current: page,
+          onChange: setPage,
+          showSizeChanger: false,
+        }}
+      />
+    </div>
+  )
+}