curl --request POST \
  --url https://api.dev.opencorpus.ai/assistants/{assistant_id}/language-config \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "language": "<string>",
  "stt_model": "nova-3",
  "voice_id": "<string>"
}
'

{
  "status": "<string>",
  "message": "<string>",
  "assistant_id": "<string>",
  "language_config": {}
}