-เพิ่ม guard jwt token

-เพิ่ม  jwt-decoded
-เพิ่ม  ระบบ first setup ดึงข้อมูล  accounting

accounting-ng-nuttakit/src/app/services/auth.guard.ts

@@ -1,12 +1,30 @@
 import { inject } from '@angular/core';
 import { CanActivateFn, Router } from '@angular/router';
+import { jwtDecode } from 'jwt-decode';
 
 export const authGuard: CanActivateFn = (route, state) => {
   const router = inject(Router);
   const accessToken = localStorage.getItem('access_token');
 
   if (accessToken) {
-    return true;
+    try {
+      const decodedToken: any = jwtDecode(accessToken);
+      const currentTime = Date.now() / 1000;
+
+      if (decodedToken.exp < currentTime) {
+        // Token expired
+        localStorage.removeItem('access_token');
+        router.navigate(['/login']);
+        return false;
+      }
+
+      return true;
+    } catch (error) {
+      // Error decoding token
+      localStorage.removeItem('access_token');
+      router.navigate(['/login']);
+      return false;
+    }
   } else {
     router.navigate(['/login']);
     return false;