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  "text": "在用 Hermes Agent 的时候，一直感觉跨 session 的中文搜索不太好用。Agent明明说过的话，session_search 就是搜不到，像完全失忆了一样....\n\n比如昨天搞了一天的A2A通信，但今天再搜\"和其他Agent的聊天记录\"的时候，返回 0 条结果。但数据确实在数据库里——用 LIKE子串匹配能搜出 20 多条\n\n然后我让 Claude Code 帮忙查了一下，原因是 SQLite FTS5的默认分词器。英文有空格，天然能按词分\n\n中文没有空格，FTS5把每个汉字当成独立 token。搜\"记忆断裂\"实际执行的是 记 & 忆 & 断 & 裂——四个独立的字分别匹配，丢失了词的连续性，搜不到原本存在的内容\n\n日文、韩文也一样，都没有空格分隔，都会中招，但英文用户完全不受影响。\n\n目前的解决方案是 FTS5 搜不到结果时，检测到查询包含 CJK 字符就自动降级到 LIKE子串匹配。比 FTS5 慢一点（全表扫描），但对 agent 的数据量完全够用。\n\n已提 PR：\nhttps://t.co/QgT9roKg6P\n\n@NousResearch @Teknium",
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