-เพิ่ม pkg jose ไว้ encrypt secret key

-jwt services/jwt.service.ts
-เพิ่ม  เวลา expire jwt token

ng-ttc-frontend/src/app/component/sidebar/sidebar.component.ts

@@ -1,6 +1,7 @@
 import { Component, HostListener, OnInit } from '@angular/core';
 import { Router } from '@angular/router';
 import { trigger, state, style, transition, animate } from '@angular/animations';
+import { JwtService } from '../../services/jwt.service';
 
 @Component({
   selector: 'app-sidebar',
@@ -28,7 +29,10 @@ export class SidebarComponent implements OnInit {
   isMobile = false;   // ตรวจอุปกรณ์
   showOverlay = false; // สำหรับ mobile overlay
 
-  constructor(private router: Router) {}
+  constructor(
+    private router: Router,
+    private jwtService: JwtService
+    ) {}
 
   ngOnInit() {
     this.checkDevice();
@@ -60,7 +64,6 @@ export class SidebarComponent implements OnInit {
   }
 
   logout() {
-    localStorage.removeItem('access_token');
-    this.router.navigate(['/login']);
+    this.jwtService.logout();
   }
 }