{"message":"Bedrock API with Knowledge Base Integration","endpoints":{"main":{"POST /api/prompt":"Streaming chat with function calling support","GET /api/test-credentials":"Test AWS credentials"},"knowledgeBase":{"POST /api/kb/retrieve":"Retrieve documents from knowledge base","POST /api/kb/rag":"Retrieve and Generate (AWS managed)","POST /api/kb/query-stream":"Custom query with streaming response"},"utility":{"GET /health":"Health check","GET /":"This endpoint"}}}