feat(iit-manager): Integrate Dify knowledge base for hybrid retrieval
Completed features: - Created Dify dataset (Dify_test0102) with 2 processed documents - Linked test0102 project with Dify dataset ID - Extended intent detection to recognize query_protocol intent - Implemented queryDifyKnowledge method (semantic search Top 5) - Integrated hybrid retrieval (REDCap data + Dify documents) - Fixed AI hallucination bugs (intent detection + API field path) - Developed debugging scripts - Completed end-to-end testing (5 scenarios passed) - Generated comprehensive documentation (600+ lines) - Updated development plans and module status Technical highlights: - Single project single knowledge base architecture - Smart routing based on user intent - Prevent AI hallucination by injecting real data/documents - Session memory for multi-turn conversations - Reused LLMFactory for DeepSeek-V3 integration Bug fixes: - Fixed intent detection missing keywords - Fixed Dify API response field path error Testing: All scenarios verified in WeChat production environment Status: Fully tested and deployed
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## 🎉 Phase 1.5 完成总结(2026-01-03)
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## 🎉 Phase 1.5 完成总结(2026-01-03 & 2026-01-04)
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### **核心成果**
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- ✅ **AI对话集成**: DeepSeek-V3 + LLMFactory
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- ✅ **REDCap数据查询**: 基于真实数据回答,解决LLM幻觉
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- ✅ **Dify知识库集成** (2026-01-04新增): 研究方案文档查询
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- ✅ **混合检索**: 同时支持结构化数据(REDCap)和非结构化文档(Dify)
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- ✅ **上下文记忆**: SessionMemory保存最近3轮对话
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- ✅ **即时反馈**: "正在查询"消息
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- ✅ **意图识别**: 简单关键词匹配(查记录/统计/项目信息)
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- ✅ **意图识别**: 关键词匹配(查记录/统计/项目信息/文档查询)
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- ✅ **智能路由**: 根据意图自动选择数据源(REDCap/Dify)
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### **测试验证**
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- **项目**: test0102 (REDCap PID: 16, 10条记录)
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- **测试场景**: 查询ID 7患者详细信息
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- **测试结果**: ✅ 完全匹配真实数据,无编造
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- **项目**: test0102
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- REDCap PID: 16, 11条记录
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- Dify Dataset ID: `b49595b2-bf71-4e47-9988-4aa2816d3c6f`
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- 文档: 研究方案、CRF表格(2个文件)
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- **测试场景1**: 查询ID 7患者详细信息(REDCap)
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- **测试场景2**: 查询研究排除标准(Dify)
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- **测试场景3**: 查询CRF观察指标(Dify)
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- **测试场景4**: 统计入组人数(REDCap)
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- **测试结果**: ✅ 所有场景通过,数据准确,无编造
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### **详细记录**
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- [Phase 1.5开发计划](./Phase1.5-AI对话能力开发计划.md)
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- [Phase 1.5开发完成记录](../06-开发记录/Phase1.5-AI对话集成REDCap完成记录.md)
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- [Phase 1.5开发完成记录 (REDCap)](../06-开发记录/Phase1.5-AI对话集成REDCap完成记录.md)
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- [Dify知识库集成开发记录](../06-开发记录/2026-01-04-Dify知识库集成开发记录.md)
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---
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**创建日期**:2025-12-31
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**最后更新**:2026-01-03
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**最后更新**:2026-01-04
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**维护者**:开发团队
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**更新频率**:每日
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**参考文档**:`02-技术设计/IIT Manager Agent 完整技术开发方案 (V1.1).md`
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