curl --request POST \
  --url https://api.alpha-1edtech.ai/powerpath/test-assignments/import \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "spreadsheetUrl": "<string>",
  "sheet": "<string>"
}
'

{
  "success": true,
  "results": [
    {
      "assignmentId": "<string>",
      "lessonId": "<string>",
      "resourceId": "<string>"
    }
  ],
  "errors": [
    {
      "row": 123,
      "message": "<string>"
    }
  ]
}