Observability

ReferenceWhat it covers
Telemetry and exportsSending telemetry to OTLP, Prometheus, Langfuse, and webhook destinations, and how to read the usage and rejection data behind the dashboard’s charts.
Response headersEvery x-agent-stream-* response header, and whether it appears on a buffered or a streamed response.
Notifications and alertsSetting up an alert integration (Slack, email, webhook, or a streaming platform), its per-type delivery fields, and which events route to it.
LLM driftTurning on drift monitoring for a surface, the nine drift dimensions, choosing warn/drift thresholds, replay evaluation, and retention defaults.