List provider models

curl --request GET \
  --url https://api.kapso.ai/platform/v1/provider_models \
  --header 'X-API-Key: <api-key>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "provider": "<string>",
      "reasoning_model": true,
      "supported_reasoning_efforts": []
    }
  ]
}