漂移检测
漂移检测
orig_hits = retrieve(question)
rewritten_hits = retrieve(rewritten)
overlap = len(set(map(id, orig_hits)) & set(map(id, rewritten_hits)))
if overlap < 3: # 结果几乎不重叠
log_drift(question, rewritten) # 进入人工检查队列改写提示词明确“不得引入原文没有的实体与数字”，能显著减少漂移。