scoring_breakdown:[{"source":"word_of_mouth","score":94.7,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其做工精细、不锈钢发热盘无异味,煮蛋效果稳定且易清洁。定时功能实用,蒸蛋羹口感细腻。少数用户提到旋钮刻度不够精准,但整体满意度极高,好评率98%以上,是品质型消费者的首选。","source_count":3}},{"source":"objective","score":96,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.8,"review_count":120000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.45,"confidence":1,"details":{"rating_avg":4.8,"review_count":120000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@家电测评师老张:美的这款煮蛋器用料扎实,304不锈钢盘用多久都不生锈。","@宝妈小慧:给孩子蒸蛋羹特别方便,定时功能太省心了。"]}}]