feat(ai): 添加 AI 用户陪练（流式）功能

Administrator

2025-09-02 f8f1d6a91b32077c69dd97334559fe3165ff79b6

 src/main/java/cc/mrbird/febs/mall/vo/MallGoodsCategoryVo.java

@@ -23,6 +23,9 @@
    @ApiModelProperty(value = "父级分类ID")
    private Long parentId;

    @ApiModelProperty(value = "分类图片")
    private String image;

    @ApiModelProperty(value = "子类集合")
    private List<MallGoodsCategoryVo> child;
}