curl --request POST \
  --url https://apigcp.trynia.ai/v2/local-folders/{local_folder_id}/sync-upload \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "database": {
    "filename": "<string>",
    "content": "aSDinaTvuI8gbWludGxpZnk="
  }
}
'

{
  "success": true,
  "message": "<string>",
  "new_items": 123,
  "updated_items": 123
}