{"message":"Servidor de monitoramento funcionando!","version":"2.0","endpoints":{"POST /api/metrics":"Enviar dados de métricas detalhadas","GET /metrics":"Expor métricas do Prometheus"},"metrics_supported":{"performance":["page_load_time_seconds","page_dom_ready_seconds","page_server_response_seconds","page_first_contentful_paint_seconds","page_largest_contentful_paint_seconds"],"system":["page_memory_usage_bytes","page_viewport_dimensions","page_screen_resolution"],"counters":["page_views_total","page_errors_total"]},"labels":{"page_id":"Identificador da página","user_agent_type":"Tipo de navegador (chrome, firefox, safari, edge, other)","connection_type":"Tipo de conexão (4g, 3g, wifi, unknown)","language":"Idioma do navegador","platform":"Plataforma (windows, mac, linux, android, ios, other)","dimension":"Dimensão (width, height)"}}