scoring_breakdown:[{"source":"word_of_mouth","score":94.4,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"德龙用户高度认可其\"原厂匹配度\",除垢程序自动识别,操作简单无脑。评价中反复提到使用后咖啡机噪音降低、蒸汽量增大、萃取流速恢复正常。部分用户认为价格偏高,但对比第三方产品更安心,尤其对高端机型保护性更好。极少数反馈液体略有气味,但通风后即消散。整体满意度极高,复购率超过60%。","source_count":2}},{"source":"objective","score":96,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.8,"review_count":8700,"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":8700,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"德龙原厂除垢液虽然贵一点,但用着放心,机器五年没出过问题。\"——家电维修达人@老张修机","\"每次除垢后咖啡油脂明显变厚,原厂配方确实有讲究。\"——咖啡评测师@Cindy的咖啡日记"]}}]