{"service":"RAG FAQ Bot — API Gateway","version":"2.0.0","endpoints":{"chat":"/v1/chat/completions","completions":"/v1/completions","models":"/v1/models","health":"/health","rag_stats":"/v1/rag/stats","queue_stats":"/v1/queue/stats"},"architecture":{"queue":"Amazon SQS","state":"AWS Serverless Valkey (ElastiCache)","workers":"ECS Fargate (separate tier)"}}