fix(admin): preserve tail-leg references

src/modules/overseas-warehouse/pages/LastMileOrderDetailView.vue

@@ -11,7 +11,7 @@ import DataTable, { type DataTableColumn } from '@/shared/components/DataTable.v
 import LoadErrorState from '@/shared/components/LoadErrorState.vue'
 import OperationErrorToast from '@/shared/components/OperationErrorToast.vue'
 import { createLastMileOrderFee, getLastMileOrder, type LastMileOrderDetailDto } from '../api/lastMileOrders'
-import { formatOverseasDateTime, lastMileOrderTypeLabel, lastMileStatusLabel } from '../lastMilePresentation'
+import { formatOverseasDateTime, lastMileOrderReference, lastMileOrderTypeLabel, lastMileStatusLabel } from '../lastMilePresentation'
 import { overseasWarehousePermissions as permission } from '../permissions'
 import OverseasDetailShell from '../components/OverseasDetailShell.vue'
 import OrderReferenceText from '../components/OrderReferenceText.vue'
@@ -39,7 +39,7 @@ function text(value: unknown) { return String(value ?? '').trim() || '—' }
 function yesNo(value: boolean | null | undefined) { return value == null ? '—' : value ? '是' : '否' }
 function feeStatusLabel(value: string) { return ({ PENDING_REVIEW: '待审核', APPROVED: '审核通过', REJECTED: '已驳回' } as Record<string, string>)[value] || value }
 
-const referenceValue = computed(() => text(detail.value?.order.orderNo || '订单编码待补充'))
+const referenceValue = computed(() => lastMileOrderReference(detail.value?.order.orderNo, '订单编码待补充'))
 const orderFields = computed<DetailField[]>(() => {
   const order = detail.value?.order
   return [
@@ -151,7 +151,7 @@ onMounted(load)
 
 <template>
   <OverseasDetailShell title="尾程订单详情" reference-label="尾程单号" :reference-value="referenceValue" back-label="返回尾程订单" domain="尾程订单详情" :pending="false" :status-text="detail ? lastMileStatusLabel(detail.order.currentStatus) : '加载中'" @back="back">
-    <template #reference><OrderReferenceText :value="referenceValue" /></template>
+    <template #reference><OrderReferenceText :value="referenceValue" copyable /></template>
     <OperationErrorToast :details="mutationError" />
     <LoadErrorState v-if="loadError" title="尾程订单详情加载失败" :message="loadError.message" :loading="loading" @retry="load"><template #details><ApiErrorMeta :details="loadError" /></template></LoadErrorState>
     <section v-else v-loading="loading" class="detail-surface" :aria-busy="loading">