curl --request POST \
  --url https://api.example.com/api/text2sql/predict \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "chartType": "<string>",
  "data": {
    "columns": [
      "<string>"
    ],
    "rows": [
      {}
    ]
  },
  "mapping": {
    "xAxis": "<string>",
    "yAxis": "<string>",
    "valueAxis": "<string>"
  },
  "predictPeriods": 5
}
'

{
  "success": true,
  "predictedData": [
    {
      "period": "<string>",
      "predictedValue": 123,
      "confidenceLower": 123,
      "confidenceUpper": 123
    }
  ],
  "chartType": "<string>",
  "confidence": "<string>",
  "trendAnalysis": "<string>",
  "error": "<string>"
}