feat(ai): 添加 AI 用户答题功能

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2025-08-04 a34b9a6418a8874dc0851cb4e19d189339dd5133

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

@@ -17,6 +17,8 @@

    private Long memberId;

    private String orderNo;

    private String expressNo;

    private String expressCom;