scoring_breakdown:[{"source":"word_of_mouth","score":92.6,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"专业烘焙用户评价其'动力强劲、打发效率高',LED灯亮度足够看清蛋糊细腻度。和面钩可揉制500g以下面团,表现优于同价位产品。少数用户指出重量偏大(1.5kg),长时间手持略累。售后口碑好,电机故障率低。综合评分4.8,是200元内专业级首选。","source_count":0}},{"source":"objective","score":96,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.8,"review_count":18000,"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":18000,"source":"product_reviews_aggregate"}},{"source":"expert","score":76,"weight":0.1,"confidence":0.6,"details":{"kol_count":1,"scored_count":1,"sample":["烘焙达人@糖糖:'九阳这款灯太亮了,蛋白打发的每个阶段都看得清清楚楚。'"]}}]