{"message_id": "msg_1776304183797", "timestamp": "2026-04-16T01:49:43.797558", "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": "a1780b15-3dab-4d5f-8b3e-0c1b447e765e", "region": "us-east-1", "optimization": "artificial_delay_removed"}