feat(auth): improve logout functionality and token management

frontend/src/app/service/auth.service.ts

@@ -206,18 +206,29 @@ export class AuthService {
     try {
       console.log('Logging out');
       this.user = null;
-      this.oauthService.logOut();
-      // Clear any lingering token in storage
+      
+      // Prevent redirect to Authentik by doing a local logout only
+      // Instead of using oauthService.logOut() which redirects to the provider
+      
+      // Clear tokens from storage
+      this.oauthService.logOut(false); // logOut(false) prevents redirect
+      
+      // Clear any lingering tokens manually
       localStorage.removeItem('access_token');
+      localStorage.removeItem('id_token');
+      localStorage.removeItem('refresh_token');
       sessionStorage.removeItem('access_token');
+      sessionStorage.removeItem('id_token');
+      sessionStorage.removeItem('refresh_token');
+      
+      // Navigate to landing page
       this.router.navigate(['/']);
     } catch (err) {
       console.error('Exception in logout:', err);
-      // Force clear tokens
-      this.oauthService.revokeTokenAndLogout().catch(() => {
-        // Just navigate to home page as fallback
-        this.router.navigate(['/']);
-      });
+      // Force clear tokens locally
+      localStorage.clear(); // Clear all local storage as a last resort
+      sessionStorage.clear();
+      this.router.navigate(['/']);
     }
   }