{
  "dashboard": {
    "title": "Deal Orchestration - Arbitrage Service",
    "tags": ["arbitrage", "defi", "deals"],
    "timezone": "browser",
    "schemaVersion": 16,
    "version": 1,
    "refresh": "30s",
    "panels": [
      {
        "id": 1,
        "title": "Deals Executed",
        "type": "stat",
        "targets": [
          {
            "expr": "sum(rate(arbitrage_deals_executed_total[5m]))",
            "legendFormat": "Deals/sec"
          }
        ],
        "gridPos": { "h": 8, "w": 12, "x": 0, "y": 0 }
      },
      {
        "id": 2,
        "title": "Deal Status Distribution",
        "type": "piechart",
        "targets": [
          {
            "expr": "sum by (status) (arbitrage_deals_executed_total)",
            "legendFormat": "{{status}}"
          }
        ],
        "gridPos": { "h": 8, "w": 12, "x": 12, "y": 0 }
      },
      {
        "id": 3,
        "title": "Current LTV Ratio",
        "type": "gauge",
        "targets": [
          {
            "expr": "arbitrage_current_ltv_ratio",
            "legendFormat": "{{deal_id}}"
          }
        ],
        "gridPos": { "h": 8, "w": 12, "x": 0, "y": 8 },
        "thresholds": {
          "mode": "absolute",
          "steps": [
            { "value": 0, "color": "green" },
            { "value": 0.28, "color": "yellow" },
            { "value": 0.30, "color": "red" }
          ]
        }
      },
      {
        "id": 4,
        "title": "USDTz Exposure",
        "type": "graph",
        "targets": [
          {
            "expr": "arbitrage_usdtz_exposure_usd",
            "legendFormat": "{{deal_id}}"
          }
        ],
        "gridPos": { "h": 8, "w": 12, "x": 12, "y": 8 }
      },
      {
        "id": 5,
        "title": "Deal Duration",
        "type": "histogram",
        "targets": [
          {
            "expr": "histogram_quantile(0.95, rate(arbitrage_deal_duration_seconds_bucket[5m]))",
            "legendFormat": "p95"
          },
          {
            "expr": "histogram_quantile(0.50, rate(arbitrage_deal_duration_seconds_bucket[5m]))",
            "legendFormat": "p50"
          }
        ],
        "gridPos": { "h": 8, "w": 12, "x": 0, "y": 16 }
      },
      {
        "id": 6,
        "title": "Profit Captured",
        "type": "stat",
        "targets": [
          {
            "expr": "sum(arbitrage_profit_captured_total)",
            "legendFormat": "Total Profit (USD)"
          }
        ],
        "gridPos": { "h": 8, "w": 12, "x": 12, "y": 16 },
        "format": "currencyUSD"
      },
      {
        "id": 7,
        "title": "Transaction Success Rate",
        "type": "graph",
        "targets": [
          {
            "expr": "rate(arbitrage_transactions_submitted_total{status=\"confirmed\"}[5m]) / rate(arbitrage_transactions_submitted_total[5m]) * 100",
            "legendFormat": "Success Rate %"
          }
        ],
        "gridPos": { "h": 8, "w": 12, "x": 0, "y": 24 }
      },
      {
        "id": 8,
        "title": "Risk Violations",
        "type": "table",
        "targets": [
          {
            "expr": "topk(10, rate(arbitrage_risk_violations_total[5m]))",
            "legendFormat": "{{violation_type}}"
          }
        ],
        "gridPos": { "h": 8, "w": 12, "x": 12, "y": 24 }
      },
      {
        "id": 9,
        "title": "Active Deals",
        "type": "stat",
        "targets": [
          {
            "expr": "arbitrage_active_deals",
            "legendFormat": "Active"
          }
        ],
        "gridPos": { "h": 4, "w": 6, "x": 0, "y": 32 }
      },
      {
        "id": 10,
        "title": "Error Rate",
        "type": "stat",
        "targets": [
          {
            "expr": "rate(arbitrage_deal_errors_total[5m])",
            "legendFormat": "Errors/sec"
          }
        ],
        "gridPos": { "h": 4, "w": 6, "x": 6, "y": 32 }
      },
      {
        "id": 11,
        "title": "Gas Used",
        "type": "graph",
        "targets": [
          {
            "expr": "rate(arbitrage_transaction_gas_used_sum[5m])",
            "legendFormat": "{{tx_type}}"
          }
        ],
        "gridPos": { "h": 8, "w": 24, "x": 0, "y": 36 }
      }
    ]
  }
}