feat: 优化库位树UI层级颜色，并将入库页面库位输入升级为级联选择器

inventory-web/src/views/stock/inbound/product.vue

@@ -286,7 +286,17 @@
             <div class="card-content">
               <el-row :gutter="24">
                 <el-col :span="6"><el-form-item label="SKU" prop="sku"><el-input v-model="form.sku" placeholder="自动生成" disabled /></el-form-item></el-col>
-                <el-col :span="6"><el-form-item label="库位" prop="warehouse_location"><el-input v-model="form.warehouse_location" placeholder="例如: B-01-01" clearable /></el-form-item></el-col>
+                <el-col :span="6"><el-form-item label="库位" prop="warehouse_location">
+                  <el-cascader
+                    v-model="form.warehouse_location"
+                    :options="warehouseOptions"
+                    :props="{ value: 'full_path', label: 'name', children: 'children', checkStrictly: true, emitPath: false }"
+                    placeholder="请选择库位"
+                    style="width: 100%"
+                    clearable
+                    filterable
+                  />
+                </el-form-item></el-col>
                 <el-col :span="6"><el-form-item label="入库日期"><el-date-picker v-model="form.in_date" type="date" value-format="YYYY-MM-DD" style="width:100%" disabled /></el-form-item></el-col>
               </el-row>
 
@@ -513,6 +523,7 @@ import {
 import { uploadFile, deleteFile } from '@/api/inbound/buy'
 import WebRtcCamera from '@/components/Camera/WebRtcCamera.vue'
 import { getLabelPreview, executePrint } from '@/api/common/print'
+import { getWarehouseTree } from '@/api/common/warehouse'
 import { useUserStore } from '@/stores/user'
 
 // ------------------------------------
@@ -628,6 +639,9 @@ const currentCameraField = ref<'product_photo' | 'quality_report_link' | 'inspec
 const quality_url = ref('')
 const inspection_url = ref('')
 
+// 库位级联选择器数据
+const warehouseOptions = ref<any[]>([])
+
 // [核心优化] 所有列定义
 const allColumns = [
   { prop: 'company_name', label: '所属公司', minWidth: '100', sortable: true }, // [新增]
@@ -958,6 +972,18 @@ const fetchOptions = async () => {
   }
 }
 
+// 加载库位树数据
+const loadWarehouseTree = async () => {
+  try {
+    const res = await getWarehouseTree()
+    if (res.code === 200) {
+      warehouseOptions.value = res.data || []
+    }
+  } catch (e) {
+    console.error('加载库位树失败', e)
+  }
+}
+
 const resetQuery = () => {
   queryParams.keyword = ''
   queryParams.category = ''
@@ -1178,6 +1204,7 @@ onMounted(() => {
   initColumnPermissions()
   fetchData()
   fetchOptions()
+  loadWarehouseTree()
 })
 
 // 成本计算监听