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- 引擎抽 searchPaths(三路召回) + SearchByMode(vector/fulltext/graph/hybrid, 纯检索不 rerank,公平对比);kb_search 加 mode 参数(空=生产含rerank), gateway KbSearch 透传 mode - scripts/rageval.py:标注语料+查询 → 四模式 recall@k/MRR 对比表(可复用) - live 量化:纯语义改写让全文0.88/图谱0.75 漏召回,混合 1.00 兜回, 混合=各路上界的稳健组合 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>