fix: 修复旧审批记录状态并添加前端调试日志

1. 手动修复旧审批记录的状态（在代码修复之前审批的）
2. 添加前端 console.log 调试输出
3. 验证后端API返回正确的 approved 状态数据

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

frontend/src/pages/business-trip/list.tsx

@@ -44,13 +44,17 @@ export default function BusinessTripList() {
 
     setLoading(true)
     try {
+      console.log('🚀 加载数据:', { activeTab, pageNum, isRefresh })
       const result = await businessTripApi.getList({
         type: activeTab,
         page: pageNum,
         page_size: 20,
       })
 
+      console.log('✅ API返回数据:', { result, list: result.list, total: result.total })
+
       const newList = result.list || []
+      console.log('📋 新列表数据:', newList)
 
       if (isRefresh || pageNum === 1) {
         setList(newList)