feat: implement hx-boost for reliable loading indication

src/Controller/Booking/Create/IndexController.php

@@ -107,11 +107,11 @@ class IndexController extends AbstractController
     }
 
     /**
-     * Cancels the active booking session and returns to the login page.
+     * Cancels the active booking session and returns to the appropriate page.
      *
      * This endpoint allows users to exit the booking flow at any time by
-     * clearing the booking session data and redirecting them back to the
-     * regular login screen.
+     * clearing the booking session data and redirecting them to the account
+     * dashboard (if logged in) or login page (if guest).
      */
     #[Route('/bookings/cancel', name: 'app_booking_cancel')]
     public function cancel(Request $request): Response
@@ -127,8 +127,10 @@ class IndexController extends AbstractController
             // Add a flash message to inform the user
             $this->addFlash('info', 'Buchung abgebrochen.');
 
-            // Redirect to login page
-            return $this->hxRedirect($request, $this->generateUrl('app_login'));
+            // Redirect to account dashboard if logged in, otherwise to login page
+            $targetRoute = null !== $this->getUser() ? 'app_account' : 'app_login';
+
+            return $this->redirectToRoute($targetRoute);
         }
 
         return $this->render('booking/modal_cancel.html.twig');