{"message_id": "msg_1776319383536", "timestamp": "2026-04-16T06:03:03.536732", "content": "Hello from Lambda! This is an optimized chat response with no artificial delay.", "user_id": "user_123", "actual_processing_time_ms": 0.02, "source_ip": "unknown", "lambda_request_id": "b44f4c23-7116-49cc-8ffb-9df58ac24b18", "region": "us-east-1", "optimization": "artificial_delay_removed"}