curl --request POST \
  --url https://api.production.hyperoru.com/api/hyper-ai/test-connection \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "api_key": "<string>",
  "model": "<string>",
  "provider": "<string>",
  "base_url": "<string>"
}
'

{
  "success": true,
  "latency_ms": 123,
  "message": "<string>",
  "model": "<string>"
}