feat(crm): 初始化客户与订单模块基础代码

- 新增客户信息实体类及对应业务对象、控制器、服务实现
- 新增正式订单主表与明细表相关实体类和业务逻辑
- 新增订单操作追溯表结构定义
- 配置MyBatis映射文件及基础CRUD接口
- 实现客户与订单的分页查询、导出、新增、修改、删除功能
- 添加Excel导入导出支持及相关VO转换配置

klp-crm/src/main/java/com/klp/crm/mapper/CrmCustomerMapper.java

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+package com.klp.crm.mapper;
+
+import com.klp.crm.domain.CrmCustomer;
+import com.klp.crm.domain.vo.CrmCustomerVo;
+import com.klp.common.core.mapper.BaseMapperPlus;
+
+/**
+ * 客户信息Mapper接口
+ *
+ * @author klp
+ * @date 2025-12-15
+ */
+public interface CrmCustomerMapper extends BaseMapperPlus<CrmCustomerMapper, CrmCustomer, CrmCustomerVo> {
+
+}

klp-crm/src/main/java/com/klp/crm/mapper/CrmOrderItemMapper.java

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+package com.klp.crm.mapper;
+
+import com.klp.crm.domain.CrmOrderItem;
+import com.klp.crm.domain.vo.CrmOrderItemVo;
+import com.klp.common.core.mapper.BaseMapperPlus;
+
+/**
+ * 正式订单明细Mapper接口
+ *
+ * @author klp
+ * @date 2025-12-15
+ */
+public interface CrmOrderItemMapper extends BaseMapperPlus<CrmOrderItemMapper, CrmOrderItem, CrmOrderItemVo> {
+
+}

klp-crm/src/main/java/com/klp/crm/mapper/CrmOrderMapper.java

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+package com.klp.crm.mapper;
+
+import com.klp.crm.domain.CrmOrder;
+import com.klp.crm.domain.vo.CrmOrderVo;
+import com.klp.common.core.mapper.BaseMapperPlus;
+
+/**
+ * 正式订单主Mapper接口
+ *
+ * @author klp
+ * @date 2025-12-15
+ */
+public interface CrmOrderMapper extends BaseMapperPlus<CrmOrderMapper, CrmOrder, CrmOrderVo> {
+
+}

klp-crm/src/main/java/com/klp/crm/mapper/CrmOrderOperationTraceMapper.java

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+package com.klp.crm.mapper;
+
+import com.klp.crm.domain.CrmOrderOperationTrace;
+import com.klp.crm.domain.vo.CrmOrderOperationTraceVo;
+import com.klp.common.core.mapper.BaseMapperPlus;
+
+/**
+ * 订单操作追溯Mapper接口
+ *
+ * @author klp
+ * @date 2025-12-15
+ */
+public interface CrmOrderOperationTraceMapper extends BaseMapperPlus<CrmOrderOperationTraceMapper, CrmOrderOperationTrace, CrmOrderOperationTraceVo> {
+
+}

klp-crm/src/main/java/com/klp/crm/mapper/CrmSalesContractMapper.java

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+package com.klp.crm.mapper;
+
+import com.klp.crm.domain.CrmSalesContract;
+import com.klp.crm.domain.vo.CrmSalesContractVo;
+import com.klp.common.core.mapper.BaseMapperPlus;
+
+/**
+ * 销售合同Mapper接口
+ *
+ * @author klp
+ * @date 2025-12-15
+ */
+public interface CrmSalesContractMapper extends BaseMapperPlus<CrmSalesContractMapper, CrmSalesContract, CrmSalesContractVo> {
+
+}

klp-crm/src/main/java/com/klp/crm/mapper/CrmSalesObjectionMapper.java

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+package com.klp.crm.mapper;
+
+import com.klp.crm.domain.CrmSalesObjection;
+import com.klp.crm.domain.vo.CrmSalesObjectionVo;
+import com.klp.common.core.mapper.BaseMapperPlus;
+
+/**
+ * 销售异议管理Mapper接口
+ *
+ * @author klp
+ * @date 2025-12-15
+ */
+public interface CrmSalesObjectionMapper extends BaseMapperPlus<CrmSalesObjectionMapper, CrmSalesObjection, CrmSalesObjectionVo> {
+
+}