curl --request PUT \
  --url https://api.rigbox.dev/api/users/me/ai-defaults \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "default_mode": "<string>",
  "default_model": "<string>",
  "default_provider": "<string>"
}
'

{
  "default_mode": "<string>",
  "default_model": "<string>",
  "default_provider": "<string>"
}