refactor(ai): 优化AiMemberAnswerServiceImpl代码结构并添加随机排序功能

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1 days ago e8d2a1fe1646f93a40359967cb3fac81f635b38f

refactor(ai): 优化AiMemberAnswerServiceImpl代码结构并添加随机排序功能

- 简化java.util包导入，使用通配符导入
- 移除AiProductQuestionItem查询中的创建时间升序排列
- 添加Collections.shuffle()方法实现查询结果随机排序
- 在随机排序前增加注释说明功能目的
- 保持原有业务逻辑不变，仅调整数据排序方式

 src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberAnswerServiceImpl.java

@@ -34,10 +34,7 @@

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.*;
import java.util.stream.Collectors;

/**
@@ -411,9 +408,10 @@
            List<ApiMemberAnswerPreviousItemVo> answerList = new ArrayList<>();
            LambdaQueryWrapper<AiProductQuestionItem> productQuestionItemLambdaQueryWrapper = Wrappers.lambdaQuery(AiProductQuestionItem.class);
            productQuestionItemLambdaQueryWrapper.eq(AiProductQuestionItem::getProductQuestionId,productQuestionId);
            productQuestionItemLambdaQueryWrapper.orderByAsc(AiProductQuestionItem::getCreatedTime);
            List<AiProductQuestionItem> listByQuery = aiProductQuestionItemService.getListByQuery(productQuestionItemLambdaQueryWrapper);
            if(CollUtil.isNotEmpty(listByQuery)){
                //让listByQuery随机排序一次
                Collections.shuffle(listByQuery);
                for (AiProductQuestionItem aiProductQuestionItem : listByQuery){
                    ApiMemberAnswerPreviousItemVo apiMemberAnswerPreviousItemVo = new ApiMemberAnswerPreviousItemVo();
                    apiMemberAnswerPreviousItemVo.setId(aiProductQuestionItem.getId());