{
  "cards": [
    {
      "type": "kanban-event",
      "content": {
        "eventName": "load-scheme",
        "payload": {
          "scheme": {
            "id": "kanban-demo-scheme-001",
            "title": "销售分析看板",
            "description": "MCP 看板预览调试方案",
            "charts": [
              { "id": "chart-1", "type": "bar", "title": "季度销售额", "layout": { "w": 4, "h": 3 } },
              { "id": "chart-2", "type": "line", "title": "月度趋势", "layout": { "w": 4, "h": 3 } }
            ],
            "chartDataMap": {
              "chart-1": {
                "kind": "echarts",
                "data": {
                  "chartType": "bar",
                  "categories": ["Q1", "Q2", "Q3", "Q4"],
                  "series": [{ "name": "销售额", "data": [120, 200, 150, 80] }]
                }
              },
              "chart-2": {
                "kind": "echarts",
                "data": {
                  "chartType": "line",
                  "categories": ["1月", "2月", "3月", "4月", "5月", "6月"],
                  "series": [{ "name": "趋势", "data": [30, 45, 38, 52, 48, 60] }]
                }
              }
            }
          },
          "theme": {
            "name": "default",
            "algorithm": "light",
            "token": { "gridGap": "12" },
            "colors": ["#5B8FF9", "#5AD8A6", "#5D7092", "#F6BD16", "#E8684A"]
          }
        }
      }
    },
    {
      "type": "kanban-preview",
      "content": { "schemeId": "kanban-demo-scheme-001" }
    }
  ]
}