feat(pkb): Integrate pgvector and create Dify replacement plan

Summary:
- Migrate PostgreSQL to pgvector/pgvector:pg15 Docker image
- Successfully install and verify pgvector 0.8.1 extension
- Create comprehensive Dify-to-pgvector migration plan
- Update PKB module documentation with pgvector status
- Update system documentation with pgvector integration

Key changes:
- docker-compose.yml: Switch to pgvector/pgvector:pg15 image
- Add EkbDocument and EkbChunk data model design
- Design R-C-R-G hybrid retrieval architecture
- Add clinical data JSONB fields (pico, studyDesign, regimen, safety, criteria, endpoints)
- Create detailed 10-day implementation roadmap

Documentation updates:
- PKB module status: pgvector RAG infrastructure ready
- System status: pgvector 0.8.1 integrated
- New: Dify replacement development plan (01-Dify替换为pgvector开发计划.md)
- New: Enterprise medical knowledge base solution V2

Tested: PostgreSQL with pgvector verified, frontend and backend functionality confirmed

backend/scripts/check-dc-tables.mjs

@@ -257,5 +257,6 @@ checkDCTables();
 
 
 
+
 
 

backend/scripts/create-capability-schema.sql

@@ -12,3 +12,4 @@ CREATE SCHEMA IF NOT EXISTS capability_schema;
 
 
 
+

backend/scripts/create-tool-c-ai-history-table.mjs

@@ -209,5 +209,6 @@ createAiHistoryTable()
 
 
 
+
 
 

backend/scripts/create-tool-c-table.js

@@ -196,5 +196,6 @@ createToolCTable()
 
 
 
+
 
 

backend/scripts/create-tool-c-table.mjs

@@ -193,5 +193,6 @@ createToolCTable()
 
 
 
+
 
 

backend/scripts/migrate-aia-prompts.ts

@@ -315,3 +315,4 @@ main()
   })
   .finally(() => prisma.$disconnect());
 
+

backend/scripts/setup-prompt-system.ts

@@ -122,3 +122,4 @@ main()
 
 
 
+

backend/scripts/test-pkb-apis-simple.ts

@@ -342,3 +342,4 @@ runTests().catch(error => {
 
 
 
+

backend/scripts/test-prompt-api.ts

@@ -88,3 +88,4 @@ testAPI().catch(console.error);
 
 
 
+

backend/scripts/test-unifuncs-deepsearch.ts

@@ -118,3 +118,4 @@ async function testDeepSearch() {
 // ========== 运行 ==========
 testDeepSearch().catch(console.error);
 
+

backend/scripts/verify-pkb-rvw-schema.ts

@@ -307,3 +307,4 @@ verifySchemas()
 
 
 
+