scoring_breakdown:[{"source":"word_of_mouth","score":90.6,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其护发效果,智能温控让温度更稳定,拉完后头发明显比普通夹板更柔顺。浮动面板设计能减少拉扯感,长发用户反馈操作顺滑。缺点是价格相对较高,且机身略重。部分用户认为温度调节只有两档(低/高),不够精细。整体评价为\"值得投资的护发工具\",复购率较高。","source_count":0}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":62000,"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":62000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"飞利浦这款夹板是我用过最不伤发的,拉完头发像做了护理一样。\"——B站美发UP主@发型师小杰","\"浮动面板设计很贴心,再也不用担心夹住头发了。\"——小红书博主@小鱼的护发日记"]}}]