AIclinicalresearch

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HaHafeng 483c62fb6f feat(pkb): Replace Dify with self-developed pgvector RAG engine

Major milestone: Successfully replaced Dify external service with PostgreSQL + pgvector RAG engine

Backend changes:
- Refactor ragService.ts: Remove dual-track mode, keep only pgvector
- Refactor knowledgeBaseService.ts: Remove Dify creation logic
- Refactor documentService.ts: Remove Dify upload/polling logic
- DifyClient.ts: Convert to deprecated stub file (for legacy compatibility)
- common/rag/index.ts: Update exports
- common/rag/types.ts: Remove Dify types, keep generic RAG types
- config/env.ts: Remove Dify configuration

Frontend changes:
- DashboardPage.tsx: Add delete knowledge base dropdown menu
- KnowledgeBaseList.tsx: Enhance quota warning display
- CreateKBDialog.tsx: Add quota exceeded modal with guidance
- knowledgeBaseApi.ts: Add auth interceptor

Documentation:
- Update PKB module status guide (v2.3)
- Update system status guide (v4.0)

Performance metrics:
- Single query latency: 2.5s
- Single query cost: 0.0025 CNY
- Cross-language accuracy improvement: +20.5%

Remaining tasks:
- OSS storage integration
- pg_bigm extension installation

Tested: End-to-end test passed (create KB -> upload doc -> vector search)

2026-01-21 22:35:50 +08:00

agentApi.ts

fix: resolve double data unwrapping issue in API calls

2025-10-10 21:33:38 +08:00

batchApi.ts

feat(frontend): add batch processing and review features

2025-11-16 15:43:39 +08:00

chatApi.ts

feat(frontend): add batch processing and review features

2025-11-16 15:43:39 +08:00

conversationApi.ts

fix: resolve conversation API issues