feat(knowledge): Executor 行动记忆 + 归一化质量等级解决 ISS-002 重复检索

- RetrievedDocTracker 升级为域级+文档级双层记录(Map<sessionId, Map<domain, Set<filePath>>>)
- LookupKnowledgeTool 新增 Min-Max 归一化层(BGE-M3 L2 距离→[0,1] similarity)
- 三等级 relevanceLevel:PRECISE / HIGHLY_RELEVANT / REFERENCE + completenessHint 兜底信号
- LookupResult 新增 relevanceLevel、completenessHint、retrievedDomainsThisSession
- Executor prompt 重写:4 条检索约束 + 合法出口不查全不追责,重复检索才惩罚
- 入库可观测性:V010 迁移 + retrieval_details JSON 扩展
- 归档 executor-action-memory-relevance change
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zhuyongxin
2026-07-01 18:24:41 +08:00
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- [知识库检索使用指南](architecture/knowledge-retrieval-usage.md) - 文档编写和使用说明 ⭐新增
- [会话管理](architecture/session-management.md) - Redis + MySQL 会话管理
- [实施规划](architecture/implementation-plan.md) - 分阶段实施计划
- [证据评分与用户反馈](architecture/confidence-feedback.md) - evidence_score 规则引擎 + feedback API ⭐新增
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