{"message_id": "msg_1776162658206", "timestamp": "2026-04-14T10:30:58.206418", "content": "Hello from Lambda! This is an optimized chat response with no artificial delay.", "user_id": "user_123", "actual_processing_time_ms": 0.01, "source_ip": "unknown", "lambda_request_id": "e90bd8ca-9048-4b71-b55b-63108548fa5d", "region": "us-east-1", "optimization": "artificial_delay_removed"}