feat(user-invite-codes): 新增用户邀请码管理功能

- 新增邀请码实体、Mapper、Service及Controller全套接口
- 支持邀请码分页查询、保存及详情展示
- 新增USER_INVITE_CODES_NOT_EXISTS错误码
- 租户模块补充上级返点比例字段 upstreamRebateRatio

yolo-module-infra/src/main/java/com/yolo/keyboard/module/infra/enums/ErrorCodeConstants.java

@@ -91,6 +91,7 @@ public interface ErrorCodeConstants {
     ErrorCode TENANT_BALANCE_WITHDRAW_INSUFFICIENT = new ErrorCode(1_001_202_017, "余额不足，无法提现");
     ErrorCode TENANT_BALANCE_WITHDRAW_CONFIG_NOT_EXISTS = new ErrorCode(1_001_202_018, "提现配置不存在");
     ErrorCode TENANT_WITHDRAW_ORDER_NOT_EXISTS = new ErrorCode(1_001_202_019, "租户提现订单表（申请-审核-打款-完成/失败）不存在");
+    ErrorCode USER_INVITE_CODES_NOT_EXISTS = new ErrorCode(1_001_202_020, "用户生成的邀请码表，用于邀请新用户注册/安装并建立邀请关系不存在");
 
 
 }