{"message_id": "msg_1776291943771", "timestamp": "2026-04-15T22:25:43.771967", "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": "6f0045d4-2e49-4675-9d0a-f174ab9cbc2e", "region": "us-east-1", "optimization": "artificial_delay_removed"}