feat(WmsMaterialCoil): 添加下一库区名称字段支持

- 在 WmsMaterialCoilVo 中新增 nextWarehouseName 字段
- 更新 WmsMaterialCoilMapper.xml 查询语句，关联下一库区表获取库区名称
- 为 nextWarehouseName 字段添加 Excel 导出注解配置
- 完善实体类注释文档

klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilVo.java

@@ -164,6 +164,11 @@ public class WmsMaterialCoilVo extends BaseEntity {
     @ExcelProperty(value = "库区名称")
     private String warehouseName;
 
+    /**
+     * 下一库区名称
+     */
+    private String nextWarehouseName;
+
     /**
      * 钢卷数量（用于统计查询）
      */

klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml

@@ -105,6 +105,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             mc.exclusive_status,
             su.nick_name AS saleName,
             w.warehouse_name AS warehouseName,
+            nw.warehouse_name AS nextWarehouseName,
             aw.actual_warehouse_name AS actualWarehouseName,
             CASE WHEN mc.item_type = 'raw_material' THEN rm.specification
                  WHEN mc.item_type = 'product' THEN p.specification
@@ -136,6 +137,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             COALESCE(ca.abnormal_count, 0) AS abnormalCount
         FROM wms_material_coil mc
         LEFT JOIN wms_warehouse w ON mc.warehouse_id = w.warehouse_id
+        LEFT JOIN wms_warehouse nw ON mc.next_warehouse_id = nw.warehouse_id
         LEFT JOIN wms_actual_warehouse aw ON mc.actual_warehouse_id = aw.actual_warehouse_id
         LEFT JOIN sys_user su ON mc.sale_id = su.user_id
         LEFT JOIN wms_raw_material rm ON mc.item_type = 'raw_material' AND mc.item_id = rm.raw_material_id