feat(m2): add external/internal order ID to contracts

web/delivery-platform-ui/src/views/ContractDetailView.vue

@@ -34,6 +34,8 @@
         <el-descriptions-item label="签订日期">{{ contract.signingDate || '—' }}</el-descriptions-item>
         <el-descriptions-item label="生效日期">{{ contract.effectiveDate || '—' }}</el-descriptions-item>
         <el-descriptions-item label="终止日期" :span="2">{{ contract.endDate || '—' }}</el-descriptions-item>
+        <el-descriptions-item label="外部订单号">{{ contract.externalOrderId || '—' }}</el-descriptions-item>
+        <el-descriptions-item label="内部订单号">{{ contract.internalOrderId || '—' }}</el-descriptions-item>
       </el-descriptions>
 
       <div v-if="transitionButtons.length" class="transition-bar">
@@ -158,6 +160,8 @@ const projectMap = ref(new Map());
 const form = reactive({
   title: "",
   remarks: "",
+  externalOrderId: "",
+  internalOrderId: "",
 });
 
 const auditLoading = ref(false);
@@ -226,6 +230,8 @@ watch(
     if (!c) return;
     form.title = c.title ?? "";
     form.remarks = c.remarks ?? "";
+    form.externalOrderId = c.externalOrderId ?? "";
+    form.internalOrderId = c.internalOrderId ?? "";
   },
   { immediate: true }
 );
@@ -389,6 +395,8 @@ async function saveHeader() {
     await updateContract(id, {
       title: form.title?.trim(),
       remarks: form.remarks?.trim() ?? "",
+      externalOrderId: form.externalOrderId?.trim() || undefined,
+      internalOrderId: form.internalOrderId?.trim() || undefined,
     });
     ElMessage.success("已保存");
     await loadContract();

web/delivery-platform-ui/src/views/ContractWizardView.vue

@@ -69,6 +69,12 @@
         <el-form-item label="终止日期">
           <el-date-picker v-model="header.endDate" type="date" value-format="YYYY-MM-DD" placeholder="选填" style="width:100%" />
         </el-form-item>
+        <el-form-item label="外部订单号">
+          <el-input v-model="header.externalOrderId" maxlength="128" placeholder="选填" />
+        </el-form-item>
+        <el-form-item label="内部订单号">
+          <el-input v-model="header.internalOrderId" maxlength="128" placeholder="选填" />
+        </el-form-item>
       </el-form>
     </div>
 
@@ -142,6 +148,8 @@ const header = reactive({
   signingDate: null,
   effectiveDate: null,
   endDate: null,
+  externalOrderId: "",
+  internalOrderId: "",
 });
 
 const headerRules = {
@@ -253,6 +261,8 @@ async function submit() {
       signingDate: header.signingDate || undefined,
       effectiveDate: header.effectiveDate || undefined,
       endDate: header.endDate || undefined,
+      externalOrderId: header.externalOrderId?.trim() || undefined,
+      internalOrderId: header.internalOrderId?.trim() || undefined,
     });
     const id = data?.id;
     if (id == null) {