fix(#757): 请修复 Bug #757：中医诊断无法新增

根因：
- Bug #请修复 Bug #757 存在的问题

修复：
- Frontend fix looks correct. Now let me check the backend — verify the `Condition` entity has all necessary fields:

healthlink-his-ui/src/views/doctorstation/components/tcm/tcmdiagnosisDialog.vue

@@ -64,13 +64,15 @@
 
 <script setup>
 import {ref} from 'vue';
-import {getTcmCondition, getTcmSyndrome} from '@/views/doctorstation/components/api';
+import {getTcmCondition, getTcmSyndrome, saveTcmDiagnosis} from '@/views/doctorstation/components/api';
 
 const condition = ref('');
 const syndrome = ref('');
 const conditionOptions = ref([]);
 const syndromeOptions = ref([]);
 const diagnosisList = ref([]);
+const conditionYbNoMap = {};
+const syndromeYbNoMap = {};
 const openDiagnosis = ref(false);
 const emit = defineEmits(['flush']);
 const { proxy } = getCurrentInstance();
@@ -83,19 +85,31 @@ const props = defineProps({
 function open() {}
 
 function submit() {
-  // 提交逻辑
   if (!condition.value || !syndrome.value) {
     proxy.$modal.msgWarning('请选择诊断和证候');
-    return; // 确保选择了诊断和证候
+    return;
   }
 
-  // 构建诊断数据，调用API保存到服务器
-  const diagnosisChildList = [{
-    conditionCode: condition.value,
-    syndromeCode: syndrome.value,
-  }];
+  // syndromeGroupNo 使用时间戳，确保同组病证关联
+  const syndromeGroupNo = String(Date.now());
+
+  // 构建诊断数据，字段名对齐后端 SaveDiagnosisChildParam
+  const diagnosisChildList = [
+    {
+      definitionId: condition.value,
+      ybNo: conditionYbNoMap[condition.value] || '',
+      syndromeGroupNo: syndromeGroupNo,
+      verificationStatusEnum: 4,
+      maindiseFlag: 1,
+    },
+    {
+      definitionId: syndrome.value,
+      ybNo: syndromeYbNoMap[syndrome.value] || '',
+      syndromeGroupNo: syndromeGroupNo,
+      verificationStatusEnum: 4,
+    },
+  ];
 
-  // 调用API保存到服务器
   saveTcmDiagnosis({
     patientId: props.patientInfo.patientId,
     encounterId: props.patientInfo.encounterId,
@@ -119,17 +133,25 @@ function openDialog() {
   // 获取中医诊断选项
   getTcmCondition().then((res) => {
     conditionOptions.value = res.data.records.map((item) => ({
-      value: item.ybNo,
+      value: item.id,
       label: item.name,
     }));
+    // 保存 ybNo 映射，提交时使用
+    res.data.records.forEach((item) => {
+      conditionYbNoMap[item.id] = item.ybNo;
+    });
   });
 
   // 获取中医证候选项
   getTcmSyndrome().then((res) => {
     syndromeOptions.value = res.data.records.map((item) => ({
-      value: item.ybNo,
+      value: item.id,
       label: item.name,
     }));
+    // 保存 ybNo 映射，提交时使用
+    res.data.records.forEach((item) => {
+      syndromeYbNoMap[item.id] = item.ybNo;
+    });
   });
 }