func modelEndpoint(config Config, dir string) (string, ModelAuthorizer, error) {
if config.Endpoint == configEndpointAPI {
key := os.Getenv("OPENAI_API_KEY")
func modelEndpoint(config Config, dir string) (string, ModelAuthorizer, error) {
if config.Endpoint == configEndpointAPI {
key := os.Getenv("OPENAI_API_KEY")