groups:
- name: notify-slo
  rules:
  - alert: NotifyDeliverySuccessSLO
    expr: sum(rate(notify_delivery_success_total[5m])) / sum(rate(notify_delivery_total[5m])) < 0.98
    for: 10m
    labels:
      severity: page
    annotations:
      summary: "Notify delivery success below SLO"
      description: "Success ratio below 98% over 10m"
  - alert: NotifyBacklogDepthHigh
    expr: notify_backlog_depth > 5000
    for: 5m
    labels:
      severity: page
    annotations:
      summary: "Notify backlog too high"
      description: "Backlog depth exceeded 5000 messages"
  - alert: NotifyDlqGrowth
    expr: rate(notify_dlq_depth[10m]) > 50
    for: 10m
    labels:
      severity: ticket
    annotations:
      summary: "Notify DLQ growth"
      description: "Dead letter queue growing faster than threshold"