scoring_breakdown:[{"source":"word_of_mouth","score":82.9,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈针头顺滑不卡发,手柄防滑效果好,长时间使用手不累。部分新手提到穿线孔略小,需适应。整体评价集中在\"性价比高\"\"做工精细\",复购率较高,适合家庭DIY和初级美发师。","source_count":2}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":12500,"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":12500,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@美发师小杰:KAMISO这款钩针是我用过最顺手的入门款,针头圆润不挂丝。","@接发达人Lily:几十块钱的针,做工完全不输大牌,推荐给所有自己接发的姐妹。"]}}]