curl --location --request POST '/api/v2/voices' \
--form 'name=""' \
--form 'file=@""'
{
"id": 18,
"name": "garros",
"tenant_id": 117,
"is_public": false,
"created_at": "2025-07-25T03:20:39.883349+00:00",
"file_url": null,
"file_size": 397310,
"content_type": "audio/mpeg",
"duration": 25.515,
"file_size_mb": 0.38,
"duration_formatted": "00:25"
}