{"message_id": "msg_1776200769794", "timestamp": "2026-04-14T21:06:09.794569", "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": "de0fba2f-9481-498c-b0a7-94c893bf9a4a", "region": "us-east-1", "optimization": "artificial_delay_removed"}