✨ 合同结算币种联动计费与运单计价单位，并完善合同与派车交互

结算币种驱动计费单价单位及运单/计划/总单计价单位；同步合同编号预览、部门前缀配置、派车备注与查看弹窗等交互优化。

Co-authored-by: Cursor <cursoragent@cursor.com>

src/views/business/components/waybill-import-dialog.vue

@@ -270,15 +270,22 @@
         prop="mileage"
         label="里程(km)"
         width="100"
-      /><el-table-column prop="unitPrice" label="单价" width="90" /><el-table-column
-        prop="freight"
-        label="运费"
-        width="100"
-      /><el-table-column prop="otherFeeTotal" label="其他费用合计" width="120" /><el-table-column
-        prop="freightTotal"
-        label="运费合计"
-        width="100"
-      /><el-table-column
+      >
+        <template #default="{ row }">{{ formatOptionalNumber(row.mileage) }}</template>
+      </el-table-column>
+      <el-table-column prop="unitPrice" label="单价" width="90">
+        <template #default="{ row }">{{ formatOptionalNumber(row.unitPrice) }}</template>
+      </el-table-column>
+      <el-table-column prop="freight" label="运费" width="100">
+        <template #default="{ row }">{{ formatOptionalNumber(row.freight) }}</template>
+      </el-table-column>
+      <el-table-column prop="otherFeeTotal" label="其他费用合计" width="120">
+        <template #default="{ row }">{{ formatOptionalNumber(row.otherFeeTotal) }}</template>
+      </el-table-column>
+      <el-table-column prop="freightTotal" label="运费合计" width="100">
+        <template #default="{ row }">{{ formatOptionalNumber(row.freightTotal) }}</template>
+      </el-table-column>
+      <el-table-column
         prop="actualStartDate"
         label="实际发货时间"
         width="160"
@@ -1107,7 +1114,7 @@ const loadDetails = async () => {
     current: detailPage.current,
     size: detailPage.size,
   });
-  details.value = res.data?.data?.records || [];
+  details.value = (res.data?.data?.records || []).map(normalizeDetailRow);
   detailPage.total = res.data?.data?.total || 0;
 };
 const openCreate = () => prepareCreateForm(true);
@@ -1156,7 +1163,7 @@ const loadBatchRows = async batchId => {
   if (!batchId) return;
   const res = await api.getImportDetails({ batchId, current: 1, size: 9999 });
   rows.value = extractRecords(res).map(({ id, ...item }, index) => ({
-    ...item,
+    ...normalizeDetailRow(item),
     _key: `${id || 'row'}-${index}`,
     batchNo: item.batchNo || form.batchNo,
   }));
@@ -1300,10 +1307,22 @@ const carrierChange = value => {
 };
 const firstNotEmpty = (...values) => values.find(value => String(value ?? '').trim()) ?? '';
 const OPTIONAL_NUMBER_EMPTY_SENTINELS = [-1];
+const OPTIONAL_NUMBER_PROPS = ['mileage', 'unitPrice', 'freight', 'otherFeeTotal', 'freightTotal'];
 const normalizeOptionalImportNumber = (value, emptySentinels = OPTIONAL_NUMBER_EMPTY_SENTINELS) => {
   if (!String(value ?? '').trim()) return null;
   return emptySentinels.some(sentinel => Number(value) === sentinel) ? null : value;
 };
+const formatOptionalNumber = value => {
+  const normalized = normalizeOptionalImportNumber(value);
+  return normalized === null || normalized === undefined ? '' : normalized;
+};
+const normalizeDetailRow = row => {
+  const next = { ...(row || {}) };
+  OPTIONAL_NUMBER_PROPS.forEach(prop => {
+    next[prop] = formatOptionalNumber(next[prop]);
+  });
+  return next;
+};
 const normalizeImportRow = row => ({
   ...row,
   mileage: normalizeOptionalImportNumber(