fix: streamlined single room selection handling

src/BusProNet/DataProcessor/BookingDataProcessor.php

@@ -14,6 +14,7 @@ use App\BusProNet\Utility\DirectionMapper;
 use App\Form\Model\BankAccountDto;
 use App\Form\Model\BookingDto;
 use App\Form\Model\ParticipantDto;
+use App\Form\Model\RoomSelectionDto;
 use App\Service\BookingPriceCalculatorService;
 use App\Service\InsuranceService;
 
@@ -132,6 +133,22 @@ class BookingDataProcessor
             $dto->participants[$index] = $participantData;
         }
 
+        // Rebuild roomSelections array from booking room data
+        // This is needed for conditions like SingleRoomTypeCondition that rely on roomSelections
+        // The booking already contains rooms with actual quantities (anzahl from XML)
+        $availableRooms = $travel->getAvailableRooms();
+        foreach ($booking->rooms as $bookingRoom) {
+            $room = $availableRooms[$bookingRoom->id] ?? null;
+            if (null !== $room && null !== $bookingRoom->totalCount && $bookingRoom->totalCount > 0) {
+                $roomSelection = new RoomSelectionDto();
+                $roomSelection->roomId = $bookingRoom->id;
+                $roomSelection->roomLabel = $room->label;
+                $roomSelection->roomPrice = $room->price;
+                $roomSelection->quantity = $bookingRoom->totalCount; // Actual quantity from booking XML (anzahl)
+                $dto->roomSelections[] = $roomSelection;
+            }
+        }
+
         return $dto;
     }