feat(ai): 添加再练一次（重新回答）功能

Administrator

2025-08-27 83b6ee65a7d3c1f37d8ec896902b5189132d59c7

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

@@ -23,6 +23,10 @@
     */
    private String imageUrl;
    /**
     * 背景图片链接
     */
    private String imageBackUrl;
    /**
     * 是否可跳转 1-是2-否
     */
    private String isJump;