{"message_id": "msg_1776144215895", "timestamp": "2026-04-14T05:23:35.895943", "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": "aacd9e84-d531-47de-b578-3eda86b5e157", "region": "us-east-1", "optimization": "artificial_delay_removed"}