{
  "widgets": [
    {
      "id": "basic-kpi",
      "type": "kpi",
      "name": "Basic KPI Card",
      "description": "Simple KPI with value and trend",
      "category": "Metrics",
      "icon": "chart-bar",
      "defaultConfig": {
        "title": "Metric Name",
        "format": "number",
        "aggregation": "sum",
        "trend": {
          "enabled": true,
          "comparison": "previous_period"
        }
      },
      "requiredFields": ["metric", "data_source"],
      "optionalFields": ["format", "aggregation", "trend", "sparkline"],
      "defaultSize": { "w": 3, "h": 2 },
      "minSize": { "w": 2, "h": 2 },
      "maxSize": { "w": 6, "h": 4 }
    },
    {
      "id": "advanced-kpi",
      "type": "kpi",
      "name": "Advanced KPI Card",
      "description": "KPI with sparkline, breakdown, and actions",
      "category": "Metrics",
      "icon": "trending-up",
      "defaultConfig": {
        "title": "Metric Name",
        "format": "currency",
        "aggregation": "sum",
        "trend": {
          "enabled": true,
          "comparison": "year_over_year"
        },
        "sparkline": {
          "enabled": true,
          "points": 20
        },
        "breakdown": {
          "enabled": true,
          "categories": []
        }
      },
      "requiredFields": ["metric", "data_source"],
      "defaultSize": { "w": 4, "h": 3 },
      "minSize": { "w": 3, "h": 2 },
      "maxSize": { "w": 6, "h": 4 }
    },
    {
      "id": "line-chart",
      "type": "chart",
      "name": "Line Chart",
      "description": "Time series line chart",
      "category": "Charts",
      "icon": "chart-line",
      "defaultConfig": {
        "chart_type": "line",
        "title": "Chart Title",
        "axes": {
          "x": "date",
          "y": "value"
        },
        "options": {
          "showLegend": true,
          "showGridLines": true,
          "showTooltip": true,
          "animation": true
        }
      },
      "requiredFields": ["data_source", "axes"],
      "defaultSize": { "w": 6, "h": 4 },
      "minSize": { "w": 4, "h": 3 },
      "maxSize": { "w": 12, "h": 8 }
    },
    {
      "id": "bar-chart",
      "type": "chart",
      "name": "Bar Chart",
      "description": "Categorical bar chart",
      "category": "Charts",
      "icon": "chart-bar",
      "defaultConfig": {
        "chart_type": "bar",
        "title": "Chart Title",
        "axes": {
          "x": "category",
          "y": "value"
        },
        "options": {
          "orientation": "vertical",
          "stacked": false,
          "showValues": true
        }
      },
      "requiredFields": ["data_source", "axes"],
      "defaultSize": { "w": 6, "h": 4 },
      "minSize": { "w": 4, "h": 3 }
    },
    {
      "id": "area-chart",
      "type": "chart",
      "name": "Area Chart",
      "description": "Filled area chart for trends",
      "category": "Charts",
      "icon": "chart-area",
      "defaultConfig": {
        "chart_type": "area",
        "title": "Chart Title",
        "axes": {
          "x": "date",
          "y": ["metric1", "metric2"]
        },
        "options": {
          "stacked": true,
          "fillOpacity": 0.5
        }
      },
      "requiredFields": ["data_source", "axes"],
      "defaultSize": { "w": 8, "h": 4 },
      "minSize": { "w": 6, "h": 3 }
    },
    {
      "id": "pie-chart",
      "type": "chart",
      "name": "Pie Chart",
      "description": "Proportional pie chart",
      "category": "Charts",
      "icon": "chart-pie",
      "defaultConfig": {
        "chart_type": "pie",
        "title": "Chart Title",
        "category": "category",
        "value": "value",
        "options": {
          "showLabels": true,
          "showPercentages": true
        }
      },
      "requiredFields": ["data_source", "category", "value"],
      "defaultSize": { "w": 4, "h": 4 },
      "minSize": { "w": 3, "h": 3 }
    },
    {
      "id": "donut-chart",
      "type": "chart",
      "name": "Donut Chart",
      "description": "Donut chart with center metric",
      "category": "Charts",
      "icon": "chart-donut",
      "defaultConfig": {
        "chart_type": "donut",
        "title": "Chart Title",
        "category": "category",
        "value": "value",
        "centerText": {
          "enabled": true,
          "metric": "total"
        }
      },
      "requiredFields": ["data_source", "category", "value"],
      "defaultSize": { "w": 4, "h": 4 },
      "minSize": { "w": 3, "h": 3 }
    },
    {
      "id": "data-table",
      "type": "table",
      "name": "Data Table",
      "description": "Sortable, filterable data table",
      "category": "Tables",
      "icon": "table",
      "defaultConfig": {
        "title": "Table Title",
        "columns": [],
        "features": {
          "sorting": true,
          "filtering": true,
          "pagination": true,
          "export": true
        },
        "pageSize": 10
      },
      "requiredFields": ["data_source", "columns"],
      "defaultSize": { "w": 6, "h": 4 },
      "minSize": { "w": 4, "h": 3 }
    },
    {
      "id": "pivot-table",
      "type": "table",
      "name": "Pivot Table",
      "description": "Aggregated pivot table",
      "category": "Tables",
      "icon": "table-pivot",
      "defaultConfig": {
        "title": "Pivot Table",
        "rows": [],
        "columns": [],
        "values": [],
        "aggregation": "sum"
      },
      "requiredFields": ["data_source", "rows", "values"],
      "defaultSize": { "w": 8, "h": 5 },
      "minSize": { "w": 6, "h": 4 }
    },
    {
      "id": "heat-map",
      "type": "chart",
      "name": "Heat Map",
      "description": "Color-coded heat map",
      "category": "Charts",
      "icon": "grid",
      "defaultConfig": {
        "chart_type": "heatmap",
        "title": "Heat Map",
        "x": "x_category",
        "y": "y_category",
        "value": "intensity",
        "colorScale": {
          "min": "#f0f0f0",
          "max": "#ff0000"
        }
      },
      "requiredFields": ["data_source", "x", "y", "value"],
      "defaultSize": { "w": 6, "h": 5 },
      "minSize": { "w": 4, "h": 4 }
    },
    {
      "id": "gauge-chart",
      "type": "gauge",
      "name": "Gauge Chart",
      "description": "Radial gauge indicator",
      "category": "Charts",
      "icon": "gauge",
      "defaultConfig": {
        "title": "Gauge",
        "value": "value",
        "min": 0,
        "max": 100,
        "thresholds": [
          { "value": 33, "color": "red" },
          { "value": 66, "color": "yellow" },
          { "value": 100, "color": "green" }
        ]
      },
      "requiredFields": ["data_source", "value", "max"],
      "defaultSize": { "w": 3, "h": 3 },
      "minSize": { "w": 2, "h": 2 }
    },
    {
      "id": "timeline",
      "type": "timeline",
      "name": "Timeline",
      "description": "Event timeline visualization",
      "category": "Time",
      "icon": "clock",
      "defaultConfig": {
        "title": "Timeline",
        "dateField": "timestamp",
        "eventField": "event",
        "categoryField": "category",
        "options": {
          "showToday": true,
          "groupByCategory": false
        }
      },
      "requiredFields": ["data_source", "dateField", "eventField"],
      "defaultSize": { "w": 12, "h": 3 },
      "minSize": { "w": 8, "h": 2 }
    },
    {
      "id": "map-widget",
      "type": "map",
      "name": "Geographic Map",
      "description": "Interactive map visualization",
      "category": "Maps",
      "icon": "map",
      "defaultConfig": {
        "title": "Map",
        "mapType": "choropleth",
        "geoField": "location",
        "valueField": "value",
        "center": { "lat": 39.8283, "lng": -98.5795 },
        "zoom": 4
      },
      "requiredFields": ["data_source", "geoField"],
      "defaultSize": { "w": 8, "h": 5 },
      "minSize": { "w": 6, "h": 4 }
    },
    {
      "id": "scatter-plot",
      "type": "chart",
      "name": "Scatter Plot",
      "description": "X-Y scatter plot",
      "category": "Charts",
      "icon": "scatter",
      "defaultConfig": {
        "chart_type": "scatter",
        "title": "Scatter Plot",
        "axes": {
          "x": "x_value",
          "y": "y_value"
        },
        "sizeField": null,
        "colorField": null
      },
      "requiredFields": ["data_source", "axes"],
      "defaultSize": { "w": 6, "h": 4 },
      "minSize": { "w": 4, "h": 3 }
    },
    {
      "id": "funnel-chart",
      "type": "chart",
      "name": "Funnel Chart",
      "description": "Conversion funnel visualization",
      "category": "Charts",
      "icon": "funnel",
      "defaultConfig": {
        "chart_type": "funnel",
        "title": "Funnel",
        "stages": [],
        "valueField": "count",
        "showPercentages": true
      },
      "requiredFields": ["data_source", "stages", "valueField"],
      "defaultSize": { "w": 4, "h": 5 },
      "minSize": { "w": 3, "h": 4 }
    },
    {
      "id": "text-widget",
      "type": "text",
      "name": "Text/Markdown",
      "description": "Rich text or markdown content",
      "category": "Content",
      "icon": "text",
      "defaultConfig": {
        "title": "Text Widget",
        "content": "",
        "format": "markdown",
        "style": {
          "fontSize": "14px",
          "textAlign": "left"
        }
      },
      "requiredFields": ["content"],
      "defaultSize": { "w": 4, "h": 2 },
      "minSize": { "w": 2, "h": 1 }
    },
    {
      "id": "image-widget",
      "type": "image",
      "name": "Image",
      "description": "Display image or logo",
      "category": "Content",
      "icon": "image",
      "defaultConfig": {
        "src": "",
        "alt": "Image",
        "fit": "contain",
        "link": null
      },
      "requiredFields": ["src"],
      "defaultSize": { "w": 4, "h": 3 },
      "minSize": { "w": 2, "h": 2 }
    },
    {
      "id": "filter-select",
      "type": "filter",
      "name": "Select Filter",
      "description": "Single-select dropdown filter",
      "category": "Filters",
      "icon": "filter",
      "defaultConfig": {
        "filter_type": "select",
        "label": "Filter",
        "field": "",
        "options": [],
        "default": "",
        "target_widgets": []
      },
      "requiredFields": ["field", "options"],
      "defaultSize": { "w": 3, "h": 1 },
      "minSize": { "w": 2, "h": 1 }
    },
    {
      "id": "filter-multiselect",
      "type": "filter",
      "name": "Multi-Select Filter",
      "description": "Multiple selection filter",
      "category": "Filters",
      "icon": "filter-multiple",
      "defaultConfig": {
        "filter_type": "multiselect",
        "label": "Filter",
        "field": "",
        "options": [],
        "default": [],
        "target_widgets": []
      },
      "requiredFields": ["field", "options"],
      "defaultSize": { "w": 3, "h": 1 },
      "minSize": { "w": 2, "h": 1 }
    },
    {
      "id": "filter-daterange",
      "type": "filter",
      "name": "Date Range Filter",
      "description": "Date range picker filter",
      "category": "Filters",
      "icon": "calendar",
      "defaultConfig": {
        "filter_type": "date_range",
        "label": "Date Range",
        "startField": "start_date",
        "endField": "end_date",
        "presets": [
          "today",
          "yesterday",
          "last_7_days",
          "last_30_days",
          "this_month",
          "last_month",
          "custom"
        ],
        "default": "last_30_days",
        "target_widgets": []
      },
      "requiredFields": ["startField", "endField"],
      "defaultSize": { "w": 4, "h": 1 },
      "minSize": { "w": 3, "h": 1 }
    },
    {
      "id": "progress-bar",
      "type": "custom",
      "name": "Progress Bar",
      "description": "Progress indicator with percentage",
      "category": "Indicators",
      "icon": "progress",
      "defaultConfig": {
        "title": "Progress",
        "value": 0,
        "max": 100,
        "showPercentage": true,
        "color": "blue",
        "segments": []
      },
      "requiredFields": ["value", "max"],
      "defaultSize": { "w": 4, "h": 1 },
      "minSize": { "w": 3, "h": 1 }
    },
    {
      "id": "alert-list",
      "type": "custom",
      "name": "Alert List",
      "description": "Real-time alert feed",
      "category": "Monitoring",
      "icon": "bell",
      "defaultConfig": {
        "title": "Alerts",
        "data_source": "alerts",
        "maxItems": 10,
        "severities": ["critical", "warning", "info"],
        "autoRefresh": true,
        "refreshInterval": 5000
      },
      "requiredFields": ["data_source"],
      "defaultSize": { "w": 4, "h": 4 },
      "minSize": { "w": 3, "h": 3 }
    }
  ],
  "categories": [
    {
      "id": "metrics",
      "name": "Metrics",
      "description": "KPI cards and metric displays",
      "icon": "chart-bar"
    },
    {
      "id": "charts",
      "name": "Charts",
      "description": "Data visualizations and graphs",
      "icon": "chart-line"
    },
    {
      "id": "tables",
      "name": "Tables",
      "description": "Data tables and grids",
      "icon": "table"
    },
    {
      "id": "filters",
      "name": "Filters",
      "description": "Interactive filter controls",
      "icon": "filter"
    },
    {
      "id": "content",
      "name": "Content",
      "description": "Text, images, and media",
      "icon": "text"
    },
    {
      "id": "maps",
      "name": "Maps",
      "description": "Geographic visualizations",
      "icon": "map"
    },
    {
      "id": "time",
      "name": "Time",
      "description": "Time-based visualizations",
      "icon": "clock"
    },
    {
      "id": "indicators",
      "name": "Indicators",
      "description": "Progress and status indicators",
      "icon": "gauge"
    },
    {
      "id": "monitoring",
      "name": "Monitoring",
      "description": "Real-time monitoring widgets",
      "icon": "activity"
    }
  ],
  "metadata": {
    "version": "1.0.0",
    "total_widgets": 23,
    "categories_count": 9
  }
}