feat(ai): 添加 AI 用户答题记录和角色选择相关实体、Mapper 和 Service

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2025-07-30 db8566a1e50e55039fc4acd65d4f8248ba6783b4

 src/main/java/cc/mrbird/febs/mall/entity/MallExpressInfo.java

@@ -17,7 +17,11 @@

    private Long memberId;

    private String orderNo;

    private String expressNo;

    private String expressCom;

    private String expressCode;
}