{"message_id": "msg_1776214155793", "timestamp": "2026-04-15T00:49:15.793700", "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": "4bf641e1-f4c7-4856-825c-ed88e3e1efa9", "region": "us-east-1", "optimization": "artificial_delay_removed"}