fix: storId 选择追踪 — 用 onChange + selectedStorId ref + fallback

- Select onChange 同步选中的仓库 ID 到 selectedStorId ref
- handleSelectFromInventory fallback 兜底 formApi.getValues().storId
- 仓库切换 watch selectedStorId 清空明细

nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/wms/iostorinv/modules/form.vue

@@ -61,6 +61,9 @@ const [Form, formApi] = useVbenForm({
         options: storOptions,
         placeholder: '请选择仓库',
         fieldNames: { label: 'label', value: 'value' },
+        onChange: (val: string) => {
+          selectedStorId.value = val || '';
+        },
       },
     },
     {
@@ -132,14 +135,14 @@ function updateSummary() {
   });
 }
 
+// 当前选中的仓库 ID（独立追踪，避免 formApi.getValues() 拿到旧值）
+const selectedStorId = ref('');
+
 // 仓库切换 → 清空明细
-watch(
-  () => formApi.getValues().storId,
-  () => {
-    detailList.value = [];
-    updateSummary();
-  },
-);
+watch(selectedStorId, () => {
+  detailList.value = [];
+  updateSummary();
+});
 
 function handleDeleteDetail(index: number) {
   detailList.value.splice(index, 1);
@@ -150,7 +153,10 @@ function handleDeleteDetail(index: number) {
 const inventorySelectRef = ref<any>();
 
 function handleSelectFromInventory() {
-  const storId = formApi.getValues().storId;
+  let storId = selectedStorId.value;
+  if (!storId) {
+    storId = formApi.getValues().storId; // fallback
+  }
   if (!storId) {
     message.warning('请先选择仓库');
     return;