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/MallNewsInfo.java

@@ -28,4 +28,6 @@
    private String thumb;

    private Long categoryId;

    private Integer isTop;
}