fix: avoid stale caches

src/Service/BookingEditDataLoaderService.php

@@ -34,11 +34,20 @@ class BookingEditDataLoaderService
 
     /**
      * Loads booking data from session or initializes from API on first load.
+     *
+     * Validates that any cached session data matches the requested booking ID.
+     * If a different booking is in session, it is cleared and fresh data is loaded.
      */
     public function loadFormData(Request $request, int $bookingId, string $email, string $password): ?BookingDto
     {
         $formData = $this->bookingService->getBookingDto($request, BookingDto::MODE_EDIT);
 
+        // Validate session data matches requested booking - clear stale data if mismatched
+        if (null !== $formData && $formData->booking?->id !== $bookingId) {
+            $this->bookingService->clearBookingDto($request, BookingDto::MODE_EDIT);
+            $formData = null;
+        }
+
         if (null === $formData) {
             return $this->initializeFromApi($request, $bookingId, $email, $password);
         }