feat: always load fresh api data when starting to edit booking

src/Controller/Booking/Edit/IndexController.php

@@ -59,6 +59,22 @@ class IndexController extends AbstractController
     ) {
     }
 
+    /**
+     * Entry point for editing a booking from the booking list.
+     *
+     * Clears any existing session data and API cache to ensure fresh data
+     * is loaded, then redirects to the main edit page.
+     */
+    #[Route('/bookings/{id}/edit/start', name: 'app_booking_edit_start', requirements: ['id' => '\d+'])]
+    #[IsGranted('ROLE_USER')]
+    public function start(int $id, Request $request): Response
+    {
+        $this->bookingService->clearBookingDto($request, BookingDto::MODE_EDIT);
+        $this->dataLoader->invalidateBookingCache($id);
+
+        return $this->redirectToRoute('app_booking_edit', ['id' => $id]);
+    }
+
     /**
      * Display participant cards overview.
      */