curl --request POST \
  --url https://connect.penbox.io/v1/cases/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{ "archived": true }'

curl --request POST \
  --url https://connect.penbox.io/v1/cases/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{ "archived": false }'

{
  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "title": "Onboarding - Acme Corp",
  "status": "in_progress",
  "archived_at": "2026-06-30T10:00:00.000Z"
}

{
  "errors": [
    {
      "status": "400",
      "title": "Bad Request",
      "detail": "Cannot archive a template"
    }
  ]
}