{"message_id": "msg_1776251869502", "timestamp": "2026-04-15T11:17:49.502856", "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": "f05d034e-80e7-4cd7-b046-ae8439395f08", "region": "us-east-1", "optimization": "artificial_delay_removed"}