package mainimport (	"encoding/json"	"fmt"	"net/http"	"time")type API struct {	Base   string // base endpoint (no trailing slash)	Bearer string // API token	Models []Model}type Model stringfunc InitAPI(Base, Bearer string) API {	a := API{		Base:   Base,		Bearer: Bearer,	}	a.GetModels()	return a}func (a *API) GetModels() ([]Model, error) {	req, err := http.NewRequest("GET", a.Base+"/models", nil)	if err != nil {		return nil, fmt.Errorf("create request: %w", err)	}	if a.Bearer != "" {		req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", a.Bearer))	}	client := &http.Client{Timeout: 10 * time.Second}	resp, err := client.Do(req)	if err != nil {		return nil, err	}	defer resp.Body.Close()	if resp.StatusCode != http.StatusOK {		return nil, fmt.Errorf("unexpected status: %s", resp.Status)	}	var body struct {		Data []struct {			ID string `json:"id"`		} `json:"data"`	}	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {		return nil, fmt.Errorf("decode models: %w", err)	}	a.Models = make([]Model, 0, len(body.Data))	for _, m := range body.Data {		a.Models = append(a.Models, Model(m.ID))	}	return a.Models, nil}