{
  "layouts": {
    "executive": {
      "name": "Executive Dashboard",
      "description": "High-level KPIs for executives and leadership",
      "grid": {
        "columns": 12,
        "rowHeight": 100,
        "breakpoints": { "lg": 1200, "md": 996, "sm": 768, "xs": 480 }
      },
      "widgets": [
        {
          "id": "revenue-kpi",
          "type": "kpi-card",
          "title": "Total Revenue",
          "position": { "x": 0, "y": 0, "w": 3, "h": 1 },
          "dataSource": "revenue_total",
          "format": "currency"
        },
        {
          "id": "users-kpi",
          "type": "kpi-card",
          "title": "Active Users",
          "position": { "x": 3, "y": 0, "w": 3, "h": 1 },
          "dataSource": "users_active",
          "format": "number"
        },
        {
          "id": "conversion-kpi",
          "type": "kpi-card",
          "title": "Conversion Rate",
          "position": { "x": 6, "y": 0, "w": 3, "h": 1 },
          "dataSource": "conversion_rate",
          "format": "percentage"
        },
        {
          "id": "growth-kpi",
          "type": "kpi-card",
          "title": "Growth Rate",
          "position": { "x": 9, "y": 0, "w": 3, "h": 1 },
          "dataSource": "growth_rate",
          "format": "percentage"
        },
        {
          "id": "revenue-chart",
          "type": "line-chart",
          "title": "Revenue Trend (6 Months)",
          "position": { "x": 0, "y": 1, "w": 8, "h": 2 },
          "dataSource": "revenue_timeseries",
          "xAxis": "date",
          "yAxis": "amount"
        },
        {
          "id": "top-products",
          "type": "bar-chart",
          "title": "Top Products",
          "position": { "x": 8, "y": 1, "w": 4, "h": 2 },
          "dataSource": "products_ranking",
          "xAxis": "product",
          "yAxis": "sales"
        }
      ]
    },
    "analytics": {
      "name": "Analytics Dashboard",
      "description": "Detailed analytics with multiple chart types",
      "grid": {
        "columns": 12,
        "rowHeight": 80
      },
      "widgets": [
        {
          "id": "traffic-sources",
          "type": "pie-chart",
          "title": "Traffic Sources",
          "position": { "x": 0, "y": 0, "w": 4, "h": 2 },
          "dataSource": "traffic_sources"
        },
        {
          "id": "user-activity",
          "type": "heatmap",
          "title": "User Activity by Hour",
          "position": { "x": 4, "y": 0, "w": 8, "h": 2 },
          "dataSource": "hourly_activity"
        },
        {
          "id": "funnel",
          "type": "funnel-chart",
          "title": "Conversion Funnel",
          "position": { "x": 0, "y": 2, "w": 6, "h": 2 },
          "dataSource": "conversion_funnel"
        },
        {
          "id": "geographic",
          "type": "map",
          "title": "Users by Geography",
          "position": { "x": 6, "y": 2, "w": 6, "h": 2 },
          "dataSource": "geographic_distribution"
        }
      ]
    },
    "monitoring": {
      "name": "System Monitoring",
      "description": "Real-time infrastructure and application monitoring",
      "grid": {
        "columns": 12,
        "rowHeight": 100
      },
      "widgets": [
        {
          "id": "cpu-gauge",
          "type": "gauge",
          "title": "CPU Usage",
          "position": { "x": 0, "y": 0, "w": 3, "h": 1 },
          "dataSource": "system_cpu_percent",
          "min": 0,
          "max": 100,
          "thresholds": [
            { "value": 70, "color": "warning" },
            { "value": 90, "color": "danger" }
          ]
        },
        {
          "id": "memory-gauge",
          "type": "gauge",
          "title": "Memory Usage",
          "position": { "x": 3, "y": 0, "w": 3, "h": 1 },
          "dataSource": "system_memory_percent",
          "min": 0,
          "max": 100,
          "thresholds": [
            { "value": 80, "color": "warning" },
            { "value": 95, "color": "danger" }
          ]
        },
        {
          "id": "request-rate",
          "type": "line-chart",
          "title": "Request Rate (5min)",
          "position": { "x": 0, "y": 1, "w": 6, "h": 2 },
          "dataSource": "http_requests_per_second",
          "realtime": true,
          "refreshInterval": 5000
        },
        {
          "id": "error-log",
          "type": "log-stream",
          "title": "Recent Errors",
          "position": { "x": 6, "y": 1, "w": 6, "h": 2 },
          "dataSource": "error_logs",
          "maxLines": 50,
          "realtime": true
        }
      ]
    },
    "customizable": {
      "name": "Customizable Grid",
      "description": "User-customizable dashboard with drag-drop",
      "grid": {
        "columns": 12,
        "rowHeight": 100,
        "isDraggable": true,
        "isResizable": true
      },
      "widgets": [
        {
          "id": "widget-1",
          "type": "kpi-card",
          "title": "Metric 1",
          "position": { "x": 0, "y": 0, "w": 3, "h": 1 },
          "dataSource": "metric_1"
        }
      ]
    }
  },
  "widgetTypes": [
    "kpi-card",
    "line-chart",
    "bar-chart",
    "pie-chart",
    "area-chart",
    "gauge",
    "table",
    "heatmap",
    "funnel-chart",
    "map",
    "log-stream",
    "calendar",
    "timeline"
  ]
}