groups:
  - name: policy-pipeline
    rules:
      - alert: PolicyCompileLatencyP99High
        expr: histogram_quantile(0.99, sum(rate(policy_compile_duration_seconds_bucket[5m])) by (le)) > 5
        for: 10m
        labels:
          severity: warning
          service: policy
        annotations:
          summary: "Policy compile latency elevated (p99)"
          description: "p99 compile duration has been >5s for 10m"

      - alert: PolicySimulationQueueBacklog
        expr: sum(policy_simulation_queue_depth) > 100
        for: 10m
        labels:
          severity: warning
          service: policy
        annotations:
          summary: "Policy simulation backlog"
          description: "Simulation queue depth above 100 for 10m"

      - alert: PolicyApprovalLatencyHigh
        expr: histogram_quantile(0.95, sum(rate(policy_approval_latency_seconds_bucket[5m])) by (le)) > 30
        for: 15m
        labels:
          severity: critical
          service: policy
        annotations:
          summary: "Policy approval latency high"
          description: "p95 approval latency above 30s for 15m"

      - alert: PolicyPromotionFailureRate
        expr: clamp_min(rate(policy_promotion_outcomes_total{outcome="failure"}[15m]), 0) / clamp_min(rate(policy_promotion_outcomes_total[15m]), 1) > 0.2
        for: 10m
        labels:
          severity: critical
          service: policy
        annotations:
          summary: "Policy promotion failure rate elevated"
          description: "Failures exceed 20% of promotions over 15m"

      - alert: PolicyPromotionStall
        expr: rate(policy_promotion_outcomes_total{outcome="success"}[10m]) == 0 and sum(policy_simulation_queue_depth) > 0
        for: 10m
        labels:
          severity: warning
          service: policy
        annotations:
          summary: "Policy promotion stalled"
          description: "No successful promotions while work is queued"