scoring_breakdown:[{"source":"word_of_mouth","score":89.19999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其刻度清晰、读数精准,尤其防滑设计在测量湿发片时非常稳定。有美发师评价\"比普通尺子好用太多,接发片宽度一卡即准\"。少数用户反映磁吸力度偏弱,但整体性价比极高。累计好评率98%,复购率约15%。","source_count":0}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.7,"review_count":12800,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.25,"confidence":1,"details":{"rating_avg":4.7,"review_count":12800,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@美发师阿杰:这把尺子是我接发必备,客户满意度提升20%","@DIY达人小鹿:新手也能轻松量准接发片,推荐!"]}}]