Files
AIclinicalresearch/docs/02-通用能力层/03-RAG引擎
HaHafeng e3e7e028e8 feat(platform): Complete platform infrastructure implementation and verification
Platform Infrastructure - 8 Core Modules Completed:
- Storage Service (LocalAdapter + OSSAdapter stub)
- Logging System (Winston + JSON format)
- Cache Service (MemoryCache + Redis stub)
- Async Job Queue (MemoryQueue + DatabaseQueue stub)
- Health Check Endpoints (liveness/readiness/detailed)
- Database Connection Pool (with Serverless optimization)
- Environment Configuration Management
- Monitoring Metrics (DB connections/memory/API)

Key Features:
- Adapter Pattern for zero-code environment switching
- Full backward compatibility with legacy modules
- 100% test coverage (all 8 modules verified)
- Complete documentation (11 docs updated)

Technical Improvements:
- Fixed duplicate /health route registration issue
- Fixed TypeScript interface export (export type)
- Installed winston dependency
- Added structured logging with context support
- Implemented graceful shutdown for Serverless
- Added connection pool optimization for SAE

Documentation Updates:
- Platform infrastructure planning (04-骞冲彴鍩虹璁炬柦瑙勫垝.md)
- Implementation report (2025-11-17-骞冲彴鍩虹璁炬柦瀹炴柦瀹屾垚鎶ュ憡.md)
- Verification report (2025-11-17-骞冲彴鍩虹璁炬柦楠岃瘉鎶ュ憡.md)
- Git commit guidelines (06-Git鎻愪氦瑙勮寖.md) - Added commit frequency rules
- Updated 3 core architecture documents

Code Statistics:
- New code: 2,532 lines
- New files: 22
- Updated files: 130+
- Test pass rate: 100% (8/8 modules)

Deployment Readiness:
- Local environment: 鉁?Ready
- Cloud environment: 馃攧 Needs OSS/Redis dependencies

Next Steps:
- Ready to start ASL module development
- Can directly use storage/logger/cache/jobQueue

Tested: Local verification 100% passed
Related: #Platform-Infrastructure
2025-11-18 08:00:41 +08:00
..

RAG引擎

能力定位: 通用能力层
复用率: 43% (3个模块依赖)
优先级: P1
状态: 已实现基于Dify


📋 能力概述

RAG引擎负责

  • 向量化存储Embedding
  • 语义检索Semantic Search
  • 检索增强生成RAG
  • Rerank重排序

📊 依赖模块

3个模块依赖43%复用率):

  1. AIA - AI智能问答@知识库问答)
  2. ASL - AI智能文献文献内容检索
  3. PKB - 个人知识库RAG问答

💡 核心功能

1. 向量化存储

  • 基于Dify平台
  • Qdrant向量数据库Dify内置

2. 语义检索

  • Top-K检索
  • 相关度评分
  • 多知识库联合检索

3. RAG问答

  • 检索 + 生成
  • 智能引用系统100%准确溯源)

🏗️ 技术架构

基于Dify平台

// DifyClient封装
interface RAGEngine {
  // 创建知识库
  createDataset(name: string): Promise<string>;
  
  // 上传文档
  uploadDocument(datasetId: string, file: File): Promise<string>;
  
  // 语义检索
  search(datasetId: string, query: string, topK?: number): Promise<SearchResult[]>;
  
  // RAG问答
  chatWithRAG(datasetId: string, query: string): Promise<string>;
}

📈 优化成果

检索参数优化:

指标 优化前 优化后 提升
检索数量 3 chunks 15 chunks 5倍
Chunk大小 500 tokens 1500 tokens 3倍
总覆盖 1,500 tokens 22,500 tokens 15倍
覆盖率 ~5% ~40-50% 8-10倍

🔗 相关文档


最后更新: 2025-11-06
维护人: 技术架构师