scoring_breakdown:[{"source":"word_of_mouth","score":87.1,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其\"实用性强\"\"性价比高\",尤其喜欢伸缩设计能适配不同尺寸菜板。沥水功能有效防止菜板发霉,防滑脚垫稳固不晃动。部分用户反馈长期使用后不锈钢表面有轻微划痕,但整体质量对得起价格。好评率超过98%,是同类产品中的爆款。","source_count":0}},{"source":"objective","score":96,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.8,"review_count":52000,"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":52000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["家居博主@收纳小能手:懒角落这款架子是我厨房台面的救星,伸缩设计太灵活了,菜板锅盖都能放。","美食博主@下厨房的阿花:沥水效果很好,菜板再也不会湿漉漉的,而且价格才30块,闭眼入。"]}}]