groups:
  - name: orbit.process
    rules:
      - alert: OrbitMetricsUnavailable
        expr: up{job="orbit"} == 0
        for: 2m
        labels:
          severity: warning
        annotations:
          summary: "Orbit metrics target is unavailable"
          description: "Check the metrics listener, private network and process health. This does not prove that business tasks have stopped."
      - alert: OrbitRuntimeBatchStalled
        expr: (time() - orbit_runtime_batch_last_success_timestamp_seconds{job="orbit"} > 30) and on (job, instance) (time() - orbit_process_start_time_seconds{job="orbit"} > 60)
        for: 1m
        labels:
          severity: warning
        annotations:
          summary: "Orbit background component has no recent successful batch"
          description: "Inspect database availability, schema readiness and batch errors before changing limits or retrying business effects."
      - alert: OrbitRuntimeBatchErrors
        expr: rate(orbit_runtime_batch_total{job="orbit",outcome="error"}[5m]) > 0
        for: 2m
        labels:
          severity: warning
        annotations:
          summary: "Orbit background batches are failing"
          description: "Use process logs and durable task/workflow audit to investigate. Batch errors are not business failures."
      - alert: OrbitDBPoolWaiting
        expr: rate(orbit_db_wait_duration_seconds_total{job="orbit"}[5m]) > 0.1
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "Orbit is waiting for MySQL connections"
          description: "Correlate pool use with database locks, query latency and storage load before increasing the connection limit."
      - alert: OrbitInvalidMetricUpdates
        expr: increase(orbit_observability_rejected_samples_total{job="orbit"}[5m]) > 0
        for: 1m
        labels:
          severity: warning
        annotations:
          summary: "Orbit rejected an internal metrics update"
          description: "Check instrumentation changes for unsupported names, types, labels or counter regressions."