{"message_id": "msg_1776114714002", "timestamp": "2026-04-13T21:11:54.002754", "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": "7c70c1a4-17f9-406c-9ba9-ea7ec000802a", "region": "us-east-1", "optimization": "artificial_delay_removed"}