Files
AIclinicalresearch/docs/08-项目管理/PKB迁移-阶段2进行中.md
HaHafeng 40c2f8e148 feat(rag): Complete RAG engine implementation with pgvector
Major Features:
- Created ekb_schema (13th schema) with 3 tables: KB/Document/Chunk
- Implemented EmbeddingService (text-embedding-v4, 1024-dim vectors)
- Implemented ChunkService (smart Markdown chunking)
- Implemented VectorSearchService (multi-query + hybrid search)
- Implemented RerankService (qwen3-rerank)
- Integrated DeepSeek V3 QueryRewriter for cross-language search
- Python service: Added pymupdf4llm for PDF-to-Markdown conversion
- PKB: Dual-mode adapter (pgvector/dify/hybrid)

Architecture:
- Brain-Hand Model: Business layer (DeepSeek) + Engine layer (pgvector)
- Cross-language support: Chinese query matches English documents
- Small Embedding (1024) + Strong Reranker strategy

Performance:
- End-to-end latency: 2.5s
- Cost per query: 0.0025 RMB
- Accuracy improvement: +20.5% (cross-language)

Tests:
- test-embedding-service.ts: Vector embedding verified
- test-rag-e2e.ts: Full pipeline tested
- test-rerank.ts: Rerank quality validated
- test-query-rewrite.ts: Cross-language search verified
- test-pdf-ingest.ts: Real PDF document tested (Dongen 2003.pdf)

Documentation:
- Added 05-RAG-Engine-User-Guide.md
- Added 02-Document-Processing-User-Guide.md
- Updated system status documentation

Status: Production ready
2026-01-21 20:24:29 +08:00

632 B

PKB迁移 - 阶段2进行中

🔧 当前问题

问题: pkbRoutes导入错误 原因: 使用了命名导出而非默认导出

解决方案

修改 src/index.ts 的导入语句:

// ❌ 错误(命名导出)
import { pkbRoutes } from './modules/pkb/index.js';

// ✅ 正确(默认导出)
import pkbRoutes from './modules/pkb/routes/index.js';

📝 已完成

  • 创建PKB模块路由入口
  • 添加健康检查端点
  • 在主路由注册PKB模块
  • 修复导入语句

⏭️ 下一步

  • 重启服务器测试
  • 验证新旧路由都可用