feat: add Kimi authentication support and streamline device ID handling

- Introduced `RequestKimiToken` API for Kimi authentication flow.
- Integrated device ID management throughout Kimi-related components.
- Enhanced header management for Kimi API requests with device ID context.

sdk/api/management.go

@@ -18,6 +18,7 @@ type ManagementTokenRequester interface {
 	RequestCodexToken(*gin.Context)
 	RequestAntigravityToken(*gin.Context)
 	RequestQwenToken(*gin.Context)
+	RequestKimiToken(*gin.Context)
 	RequestIFlowToken(*gin.Context)
 	RequestIFlowCookieToken(*gin.Context)
 	GetAuthStatus(c *gin.Context)
@@ -55,6 +56,10 @@ func (m *managementTokenRequester) RequestQwenToken(c *gin.Context) {
 	m.handler.RequestQwenToken(c)
 }
 
+func (m *managementTokenRequester) RequestKimiToken(c *gin.Context) {
+	m.handler.RequestKimiToken(c)
+}
+
 func (m *managementTokenRequester) RequestIFlowToken(c *gin.Context) {
 	m.handler.RequestIFlowToken(c)
 }

sdk/auth/kimi.go

@@ -3,6 +3,7 @@ package auth
 import (
 	"context"
 	"fmt"
+	"strings"
 	"time"
 
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/auth/kimi"
@@ -102,6 +103,9 @@ func (a KimiAuthenticator) Login(ctx context.Context, cfg *config.Config, opts *
 		exp := time.Unix(authBundle.TokenData.ExpiresAt, 0).UTC().Format(time.RFC3339)
 		metadata["expired"] = exp
 	}
+	if strings.TrimSpace(authBundle.DeviceID) != "" {
+		metadata["device_id"] = strings.TrimSpace(authBundle.DeviceID)
+	}
 
 	// Generate a unique filename
 	fileName := fmt.Sprintf("kimi-%d.json", time.Now().UnixMilli())