feat: 移植商户端订单管理到平台端 & 新增订单打印功能

1. 将商户端订单管理功能完整移植到平台端管理后台，包括：
   - 商户订单列表、退款单、预约管理（服务看板+工单管理）
   - 菜单名称加"商户"前缀，区别于平台端原有订单管理
   - 不影响平台端原有订单管理功能

2. 新增订单打印功能：
   - 前端：独立打印页面（无layout），支持浏览器打印
   - 后端：新增打印专用API，使用eb_sync_order_detail_staging表的product_name和info字段

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

mer_java/crmeb-common/src/main/java/com/zbkj/common/response/OrderPrintDetailResponse.java

@@ -0,0 +1,37 @@
+package com.zbkj.common.response;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 订单打印详情响应对象
+ * +----------------------------------------------------------------------
+ * | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
+ * +----------------------------------------------------------------------
+ * | Copyright (c) 2016~2026 https://www.crmeb.com All rights reserved.
+ * +----------------------------------------------------------------------
+ * | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
+ * +----------------------------------------------------------------------
+ * | Author: CRMEB Team <admin@crmeb.com>
+ * +----------------------------------------------------------------------
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@ApiModel(value = "OrderPrintDetailResponse对象", description = "订单打印详情响应对象")
+public class OrderPrintDetailResponse implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "订单基本信息")
+    private OrderAdminDetailResponse orderInfo;
+
+    @ApiModelProperty(value = "商品详情列表（来自staging表）")
+    private List<OrderPrintProductItemResponse> detailList;
+}

mer_java/crmeb-common/src/main/java/com/zbkj/common/response/OrderPrintProductItemResponse.java

@@ -0,0 +1,55 @@
+package com.zbkj.common.response;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+/**
+ * 订单打印商品项响应对象（使用staging表数据）
+ * +----------------------------------------------------------------------
+ * | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
+ * +----------------------------------------------------------------------
+ * | Copyright (c) 2016~2026 https://www.crmeb.com All rights reserved.
+ * +----------------------------------------------------------------------
+ * | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
+ * +----------------------------------------------------------------------
+ * | Author: CRMEB Team <admin@crmeb.com>
+ * +----------------------------------------------------------------------
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@ApiModel(value = "OrderPrintProductItemResponse对象", description = "订单打印商品项响应对象")
+public class OrderPrintProductItemResponse implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "商品名称（来自staging表product_name）")
+    private String productName;
+
+    @ApiModelProperty(value = "商品详细信息（来自staging表info字段）")
+    private String info;
+
+    @ApiModelProperty(value = "商品图片")
+    private String image;
+
+    @ApiModelProperty(value = "规格")
+    private String sku;
+
+    @ApiModelProperty(value = "单价")
+    private BigDecimal price;
+
+    @ApiModelProperty(value = "购买数量")
+    private Integer payNum;
+
+    @ApiModelProperty(value = "商品ID")
+    private Integer productId;
+
+    @ApiModelProperty(value = "商品类型")
+    private Integer productType;
+}