curl --request PUT \
  --url https://api.artosai.com/api/v1/templates/{template_id}/sections/reorder \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sections": [
    {
      "section_id": "sec-uuid-001",
      "order_index": 0,
      "level": 1
    },
    {
      "section_id": "sec-uuid-003",
      "order_index": 1,
      "level": 1
    },
    {
      "section_id": "sec-uuid-002",
      "order_index": 2,
      "level": 1
    }
  ]
}
'

{
  "template_id": "<string>",
  "sections": [
    {
      "section_id": "<string>",
      "section_name": "<string>",
      "order_index": 123,
      "level": 123
    }
  ],
  "message": "<string>"
}