List robot models

Retrieve a list of all enabled models from all providers. Model names are in the format `provider/model` some provider models may include further slashes, such as with OpenRouter: `openrouter/openai/gpt-4`.

curl -X GET "https://example.com/robots/models"

{  "models": [    {      "ref": "string",      "provider": "string",      "model": "string"    }  ]}