{"message_id": "msg_1776183671735", "timestamp": "2026-04-14T16:21:11.735261", "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": "316d9724-e9e2-4ad4-96d3-65351793967d", "region": "us-east-1", "optimization": "artificial_delay_removed"}