Métricas (Prometheus)

PgArachne exporta métricas em /metrics, incluindo métricas padrão do Go e:

• pgarachne_http_requests_total, pgarachne_http_request_duration_seconds
• pgarachne_auth_requests_total, pgarachne_login_attempts_total
• pgarachne_jsonrpc_requests_total
• pgarachne_sse_clients, pgarachne_sse_channels, pgarachne_sse_client_drops_total