Alerting

Alerting is best-effort and never blocks the request path.

Rules

Rule	Metric	Description
high-error-rate	error_rate	Fires when error rate exceeds threshold over duration
budget-exhausted	budget_threshold	Fires when daily/session budget approaches limit

Channels

Channel	Config Key	Description
Slack	slack_webhook_url	Incoming webhook URL
Webhook	webhook_url	Generic HTTP endpoint
Email	email_smtp	SMTP server configuration

Example

alerting:
  slack_webhook_url: "https://hooks.slack.com/services/..."
  rules:
    - name: "high-error-rate"
      metric: "error_rate"
      threshold: 0.1
      duration: "5m"
      channels: ["slack"]
      severity: "critical"