chore: remove Qwen support from SDK and internal components

- Deleted `QwenAuthenticator`, internal `qwen_auth`, and `qwen_executor` implementations.
- Removed all Qwen-related OAuth flows, token handling, and execution logic.
- Cleaned up dependencies and references to Qwen across the codebase.

internal/api/handlers/management/auth_files.go

@@ -28,7 +28,6 @@ import (
 	geminiAuth "github.com/router-for-me/CLIProxyAPI/v6/internal/auth/gemini"
 	iflowauth "github.com/router-for-me/CLIProxyAPI/v6/internal/auth/iflow"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/auth/kimi"
-	"github.com/router-for-me/CLIProxyAPI/v6/internal/auth/qwen"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/interfaces"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
@@ -2103,62 +2102,6 @@ func (h *Handler) RequestAntigravityToken(c *gin.Context) {
 	c.JSON(200, gin.H{"status": "ok", "url": authURL, "state": state})
 }
 
-func (h *Handler) RequestQwenToken(c *gin.Context) {
-	ctx := context.Background()
-	ctx = PopulateAuthContext(ctx, c)
-
-	fmt.Println("Initializing Qwen authentication...")
-
-	state := fmt.Sprintf("gem-%d", time.Now().UnixNano())
-	// Initialize Qwen auth service
-	qwenAuth := qwen.NewQwenAuth(h.cfg)
-
-	// Generate authorization URL
-	deviceFlow, err := qwenAuth.InitiateDeviceFlow(ctx)
-	if err != nil {
-		log.Errorf("Failed to generate authorization URL: %v", err)
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to generate authorization url"})
-		return
-	}
-	authURL := deviceFlow.VerificationURIComplete
-
-	RegisterOAuthSession(state, "qwen")
-
-	go func() {
-		fmt.Println("Waiting for authentication...")
-		tokenData, errPollForToken := qwenAuth.PollForToken(deviceFlow.DeviceCode, deviceFlow.CodeVerifier)
-		if errPollForToken != nil {
-			SetOAuthSessionError(state, "Authentication failed")
-			fmt.Printf("Authentication failed: %v\n", errPollForToken)
-			return
-		}
-
-		// Create token storage
-		tokenStorage := qwenAuth.CreateTokenStorage(tokenData)
-
-		tokenStorage.Email = fmt.Sprintf("%d", time.Now().UnixMilli())
-		record := &coreauth.Auth{
-			ID:       fmt.Sprintf("qwen-%s.json", tokenStorage.Email),
-			Provider: "qwen",
-			FileName: fmt.Sprintf("qwen-%s.json", tokenStorage.Email),
-			Storage:  tokenStorage,
-			Metadata: map[string]any{"email": tokenStorage.Email},
-		}
-		savedPath, errSave := h.saveTokenRecord(ctx, record)
-		if errSave != nil {
-			log.Errorf("Failed to save authentication tokens: %v", errSave)
-			SetOAuthSessionError(state, "Failed to save authentication tokens")
-			return
-		}
-
-		fmt.Printf("Authentication successful! Token saved to %s\n", savedPath)
-		fmt.Println("You can now use Qwen services through this CLI")
-		CompleteOAuthSession(state)
-	}()
-
-	c.JSON(200, gin.H{"status": "ok", "url": authURL, "state": state})
-}
-
 func (h *Handler) RequestKimiToken(c *gin.Context) {
 	ctx := context.Background()
 	ctx = PopulateAuthContext(ctx, c)

internal/api/handlers/management/oauth_sessions.go

@@ -229,8 +229,6 @@ func NormalizeOAuthProvider(provider string) (string, error) {
 		return "iflow", nil
 	case "antigravity", "anti-gravity":
 		return "antigravity", nil
-	case "qwen":
-		return "qwen", nil
 	default:
 		return "", errUnsupportedOAuthFlow
 	}

internal/api/server.go

@@ -640,7 +640,6 @@ func (s *Server) registerManagementRoutes() {
 		mgmt.GET("/codex-auth-url", s.mgmt.RequestCodexToken)
 		mgmt.GET("/gemini-cli-auth-url", s.mgmt.RequestGeminiCLIToken)
 		mgmt.GET("/antigravity-auth-url", s.mgmt.RequestAntigravityToken)
-		mgmt.GET("/qwen-auth-url", s.mgmt.RequestQwenToken)
 		mgmt.GET("/kimi-auth-url", s.mgmt.RequestKimiToken)
 		mgmt.GET("/iflow-auth-url", s.mgmt.RequestIFlowToken)
 		mgmt.POST("/iflow-auth-url", s.mgmt.RequestIFlowCookieToken)