{"message_id": "msg_1776236761178", "timestamp": "2026-04-15T07:06:01.178789", "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": "b00c8ac4-06a9-4996-9d47-69ad82b5c3a2", "region": "us-east-1", "optimization": "artificial_delay_removed"}