package executor import (	"context"	"net/http"	"strings"	"time" 	xaiauth "github.com/router-for-me/CLIProxyAPI/v7/internal/auth/xai"	"github.com/router-for-me/CLIProxyAPI/v7/internal/runtime/executor/helps"	cliproxyauth "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/auth"	log "github.com/sirupsen/logrus") // Refresh refreshes xAI OAuth credentials using the stored refresh token.func (e *XAIExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (*cliproxyauth.Auth, error) {	log.Debugf("xai executor: refresh called")	if refreshed, handled, err := helps.RefreshAuthViaHome(ctx, e.cfg, auth); handled {		return refreshed, err	}	if auth == nil {		return nil, statusErr{code: http.StatusInternalServerError, msg: "xai executor: auth is nil"}	}	refreshToken := xaiMetadataString(auth.Metadata, "refresh_token")	if refreshToken == "" {		return auth, nil	}	tokenEndpoint := xaiMetadataString(auth.Metadata, "token_endpoint")	svc := xaiauth.NewXAIAuthWithProxyURL(e.cfg, auth.ProxyURL)	td, err := svc.RefreshTokens(ctx, refreshToken, tokenEndpoint)	if err != nil {		return nil, err	}	if auth.Metadata == nil {		auth.Metadata = make(map[string]any)	}	auth.Metadata["type"] = "xai"	auth.Metadata["auth_kind"] = "oauth"	auth.Metadata["access_token"] = td.AccessToken	if td.RefreshToken != "" {		auth.Metadata["refresh_token"] = td.RefreshToken	}	if td.IDToken != "" {		auth.Metadata["id_token"] = td.IDToken	}	if td.TokenType != "" {		auth.Metadata["token_type"] = td.TokenType	}	if td.ExpiresIn > 0 {		auth.Metadata["expires_in"] = td.ExpiresIn	}	if td.Expire != "" {		auth.Metadata["expired"] = td.Expire	}	if td.Email != "" {		auth.Metadata["email"] = td.Email	}	if td.Subject != "" {		auth.Metadata["sub"] = td.Subject	}	if tokenEndpoint != "" {		auth.Metadata["token_endpoint"] = tokenEndpoint	}	if xaiMetadataString(auth.Metadata, "base_url") == "" {		auth.Metadata["base_url"] = xaiauth.DefaultAPIBaseURL	}	auth.Metadata["last_refresh"] = time.Now().UTC().Format(time.RFC3339)	if auth.Attributes == nil {		auth.Attributes = make(map[string]string)	}	auth.Attributes["auth_kind"] = "oauth"	if strings.TrimSpace(auth.Attributes["base_url"]) == "" {		auth.Attributes["base_url"] = xaiauth.DefaultAPIBaseURL	}	return auth, nil}