Unknown widget type: chart

{
  "type": "chart",
  "id": "chart-revenue",
  "props": {
    "chartType": "line",
    "title": "Monthly Revenue",
    "data": {
      "labels": [
        "Jan",
        "Feb",
        "Mar",
        "Apr",
        "May",
        "Jun"
      ],
      "datasets": [
        {
          "label": "Revenue",
          "data": [
            42000,
            55000,
            67000,
            82000,
            95000,
            142800
          ],
          "borderColor": "#3b82f6"
        }
      ]
    }
  }
}

Unknown widget type: chart

{
  "type": "chart",
  "id": "chart-channels",
  "props": {
    "chartType": "pie",
    "title": "Revenue by Channel",
    "data": {
      "labels": [
        "Direct",
        "Organic",
        "Referral",
        "Social"
      ],
      "datasets": [
        {
          "label": "Revenue",
          "data": [
            45,
            30,
            15,
            10
          ],
          "backgroundColor": [
            "#3b82f6",
            "#10b981",
            "#f59e0b",
            "#ef4444"
          ]
        }
      ]
    }
  }
}