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 ccefddf89bae188faad02ed845c5f9756f121591

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

@@ -20,4 +20,8 @@

    private Integer isRecommend;

    private String image;

    private Integer indexNum;

}