fix(doctorstation): 修复会诊模块数据加载异常处理

- 添加了接口响应空值检查，防止因空响应导致的页面崩溃
- 完善了错误处理逻辑，统一返回空数组避免组件渲染异常
- 增强了网络错误捕获，提供更准确的错误信息提示
- 优化了后端服务异常处理，确保查询失败时返回安全的默认值
- 修复了手术收费模块中的用户卡信息引用错误
- 改进了学生合同号处理逻辑，增加了前置条件验证

openhis-ui-vue3/src/views/charge/surgerycharge/index.vue

@@ -341,7 +341,7 @@ async function handleReadCard(value) {
           certNo: message.data.idNo,
           psnCertType: '02',
         };
-        userCardInfo = {
+        userCardInfo.value = {
           certType: '01',
           certNo: message.data.idNo,
           psnCertType: '01',
@@ -372,7 +372,7 @@ async function handleReadCard(value) {
           certNo: message1.SocialSecurityNumber,
           psnCertType: '02',
         };
-        userCardInfo = {
+        userCardInfo.value = {
           certType: '02',
           certNo: message1.SocialSecurityNumber,
           psnCertType: '02',
@@ -397,8 +397,8 @@ async function handleReadCard(value) {
         patientId: props.patientInfo.patientId,
         encounterId: props.patientInfo.encounterId,
         chargeItemIds: chargeItemIdList.value,
-        ybMdtrtCertType: userCardInfo.psnCertType,
-        busiCardInfo: userCardInfo.busiCardInfo,
+        ybMdtrtCertType: userCardInfo.value.psnCertType,
+        busiCardInfo: userCardInfo.value.busiCardInfo,
         generateSourceEnum: 2,
         sourceBillNo: props.surgeryInfo.surgeryNo,
       }).then((res) => {