{
  "title": "Mantis — Per-Action Observability (#156)",
  "uid": "mantis-per-action",
  "schemaVersion": 36,
  "tags": ["mantis", "cua", "observability"],
  "description": "Triage view for which step types are failing, how often the brain ladder escalates, and where runs terminate. Source: mantis_action_total, mantis_brain_escalation_total, mantis_loop_termination_total, mantis_step_latency_seconds.",
  "templating": {
    "list": [
      {
        "name": "tenant_id",
        "type": "query",
        "datasource": "Prometheus",
        "query": "label_values(mantis_action_total, tenant_id)",
        "includeAll": true,
        "multi": true
      }
    ]
  },
  "panels": [
    {
      "id": 1,
      "title": "Per-action success rate (last 15m)",
      "type": "timeseries",
      "gridPos": {"x": 0, "y": 0, "w": 12, "h": 8},
      "targets": [
        {
          "expr": "sum by (step_kind) (rate(mantis_action_total{tenant_id=~\"$tenant_id\", outcome=\"success\"}[15m])) / sum by (step_kind) (rate(mantis_action_total{tenant_id=~\"$tenant_id\"}[15m]))",
          "legendFormat": "{{step_kind}}"
        }
      ],
      "fieldConfig": {"defaults": {"unit": "percentunit", "min": 0, "max": 1}}
    },
    {
      "id": 2,
      "title": "Failed actions per minute, by step_kind",
      "type": "timeseries",
      "gridPos": {"x": 12, "y": 0, "w": 12, "h": 8},
      "targets": [
        {
          "expr": "sum by (step_kind) (rate(mantis_action_total{tenant_id=~\"$tenant_id\", outcome=\"failed\"}[5m]) * 60)",
          "legendFormat": "{{step_kind}}"
        }
      ]
    },
    {
      "id": 3,
      "title": "Brain ladder escalation rate",
      "type": "stat",
      "gridPos": {"x": 0, "y": 8, "w": 6, "h": 6},
      "targets": [
        {
          "expr": "sum(rate(mantis_brain_escalation_total{to_brain=\"fallback\"}[10m])) / sum(rate(mantis_brain_escalation_total[10m]))"
        }
      ],
      "fieldConfig": {"defaults": {"unit": "percentunit", "decimals": 1}}
    },
    {
      "id": 4,
      "title": "Run terminations (1h, by reason)",
      "type": "piechart",
      "gridPos": {"x": 6, "y": 8, "w": 6, "h": 6},
      "targets": [
        {
          "expr": "sum by (reason) (increase(mantis_loop_termination_total{tenant_id=~\"$tenant_id\"}[1h]))",
          "legendFormat": "{{reason}}"
        }
      ]
    },
    {
      "id": 5,
      "title": "Action outcome distribution (1h)",
      "type": "piechart",
      "gridPos": {"x": 12, "y": 8, "w": 6, "h": 6},
      "targets": [
        {
          "expr": "sum by (outcome) (increase(mantis_action_total{tenant_id=~\"$tenant_id\"}[1h]))",
          "legendFormat": "{{outcome}}"
        }
      ]
    },
    {
      "id": 6,
      "title": "p95 step latency by phase",
      "type": "timeseries",
      "gridPos": {"x": 18, "y": 8, "w": 6, "h": 6},
      "targets": [
        {
          "expr": "histogram_quantile(0.95, sum by (phase, le) (rate(mantis_step_latency_seconds_bucket{tenant_id=~\"$tenant_id\"}[10m])))",
          "legendFormat": "{{phase}}"
        }
      ],
      "fieldConfig": {"defaults": {"unit": "s"}}
    },
    {
      "id": 7,
      "title": "Plan-branch dispatch hit rate",
      "type": "table",
      "gridPos": {"x": 0, "y": 14, "w": 24, "h": 8},
      "targets": [
        {
          "expr": "sum by (branch, outcome) (increase(mantis_plan_branch_total{tenant_id=~\"$tenant_id\"}[1h]))",
          "format": "table",
          "instant": true
        }
      ]
    }
  ]
}