feat(wms): 添加钢卷与合同关联关系管理功能

- 创建 WmsCoilContractRel 实体类定义钢卷与合同关联关系数据结构
- 实现 IWmsCoilContractRelService 接口提供基础CRUD操作方法
- 开发 WmsCoilContractRelServiceImpl 业务逻辑实现类
- 添加 WmsCoilContractRelController 控制器支持RESTful API接口
- 设计 WmsCoilContractRelMapper 数据访问接口及XML映射文件
- 创建 WmsCoilContractRelBo 业务对象和 WmsCoilContractRelVo 视图对象
- 集成分页查询、新增、修改、删除和导出功能
- 添加数据验证和重复提交防护机制

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

@@ -0,0 +1,47 @@
+package com.klp.domain.vo;
+
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
+import com.klp.common.annotation.ExcelDictFormat;
+import com.klp.common.convert.ExcelDictConvert;
+import lombok.Data;
+
+
+/**
+ * 钢卷与合同关联关系视图对象 wms_coil_contract_rel
+ *
+ * @author klp
+ * @date 2026-04-18
+ */
+@Data
+@ExcelIgnoreUnannotated
+public class WmsCoilContractRelVo {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 主键ID
+     */
+    @ExcelProperty(value = "主键ID")
+    private Long relId;
+
+    /**
+     * 钢卷ID
+     */
+    @ExcelProperty(value = "钢卷ID")
+    private Long coilId;
+
+    /**
+     * 合同ID
+     */
+    @ExcelProperty(value = "合同ID")
+    private Long contractId;
+
+    /**
+     * 备注
+     */
+    @ExcelProperty(value = "备注")
+    private String remark;
+
+
+}