scoring_breakdown:[{"source":"word_of_mouth","score":87.1,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其\"性价比高\"\"操作简单\",尤其适合新手。负离子功能被多次提及\"头发不毛躁\"。天猫评分4.6,京东好评率94%。部分用户反映温度调节器不够精准,偶尔出现温度波动。也有反馈称卷度持久性一般,需配合定型产品。整体满意度较高,是入门级首选。","source_count":0}},{"source":"objective","score":90,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.5,"review_count":15200,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.25,"confidence":1,"details":{"rating_avg":4.5,"review_count":15200,"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":["@美妆博主小C:飞利浦这款卷发棒适合学生党,性价比超高。","@发型师Tony:温度调节器很实用,但建议搭配护发喷雾。"]}}]