{
  "dashboard": {
    "title": "SLO Dashboard - DAARION Platform",
    "tags": ["slo", "production", "monitoring"],
    "timezone": "browser",
    "panels": [
      {
        "id": 1,
        "title": "Availability SLO (99.9%)",
        "type": "stat",
        "targets": [
          {
            "expr": "sum(rate(http_requests_total{status=~\"2..\"}[5m])) / sum(rate(http_requests_total[5m])) * 100",
            "legendFormat": "Success Rate"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "unit": "percent",
            "thresholds": {
              "steps": [
                {"value": 0, "color": "red"},
                {"value": 99.9, "color": "green"}
              ]
            }
          }
        }
      },
      {
        "id": 2,
        "title": "Latency SLO (p95 < 2s)",
        "type": "graph",
        "targets": [
          {
            "expr": "histogram_quantile(0.95, sum(rate(http_request_duration_seconds_bucket{service=\"router\"}[5m])) by (le))",
            "legendFormat": "p95 Gateway→Router"
          },
          {
            "expr": "histogram_quantile(0.95, sum(rate(nats_message_processing_duration_seconds_bucket[5m])) by (le))",
            "legendFormat": "p95 E2E Async"
          }
        ],
        "yaxes": [
          {
            "format": "s",
            "label": "Latency"
          }
        ],
        "gridPos": {"h": 8, "w": 12, "x": 0, "y": 1}
      },
      {
        "id": 3,
        "title": "Queue Time SLO (p95 < 5s)",
        "type": "graph",
        "targets": [
          {
            "expr": "histogram_quantile(0.95, sum(rate(nats_consumer_lag[5m])) by (consumer))",
            "legendFormat": "{{consumer}}"
          }
        ],
        "yaxes": [
          {
            "format": "s",
            "label": "Queue Time"
          }
        ],
        "gridPos": {"h": 8, "w": 12, "x": 12, "y": 1}
      },
      {
        "id": 4,
        "title": "Error Budget (30 days)",
        "type": "stat",
        "targets": [
          {
            "expr": "(1 - (sum(rate(http_requests_total{status=~\"5..\"}[30d])) / sum(rate(http_requests_total[30d])))) * 100",
            "legendFormat": "Error Budget Remaining"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "unit": "percent",
            "thresholds": {
              "steps": [
                {"value": 0, "color": "red"},
                {"value": 50, "color": "yellow"},
                {"value": 99, "color": "green"}
              ]
            }
          }
        },
        "gridPos": {"h": 4, "w": 6, "x": 0, "y": 9}
      }
    ],
    "refresh": "30s",
    "time": {
      "from": "now-1h",
      "to": "now"
    }
  }
}