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/entity/MallGoodsSku.java

@@ -47,5 +47,8 @@
    @TableField(exist = false)
    private BigDecimal skuGoodsWeight;

    @TableField(exist = false)
    private String staticPropPrice;

    private String sample;
}