feat: centralize create/edit flow contexts, extract edit submit service

src/Controller/Booking/Create/Step3Controller.php

@@ -13,11 +13,12 @@ use App\Controller\Booking\Traits\BookingExceptionHandlerTrait;
 use App\Form\BookingCreateStep3Type;
 use App\Form\Model\BookingDto;
 use App\Htmx\HxTrait;
+use App\Service\BookingCreateContextFactory;
 use App\Service\BookingPriceCalculatorService;
 use App\Service\BookingPriceMismatchDiagnosticsService;
 use App\Service\BookingService;
 use App\Service\BookingSessionService;
-use App\Service\BookingSummaryDataService;
+use App\Service\RoomPricingCalculator;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Form\FormInterface;
@@ -37,7 +38,7 @@ class Step3Controller extends AbstractController
     public function __construct(
         private readonly BookingService $bookingService,
         private readonly BookingSessionService $bookingSessionService,
-        private readonly BookingSummaryDataService $summaryDataService,
+        private readonly BookingCreateContextFactory $createContextFactory,
         private readonly BookingPriceCalculatorService $priceCalculator,
         private readonly BookingPriceMismatchDiagnosticsService $priceMismatchDiagnostics,
         private readonly ApiClient $apiClient,
@@ -216,13 +217,14 @@ class Step3Controller extends AbstractController
      */
     private function renderStepForm(BookingDto $bookingCreateDto, FormInterface $form): Response
     {
-        // Get complete summary data (pricing, rooms, CMS data)
-        $summaryData = $this->summaryDataService->getSummaryData($bookingCreateDto);
+        $context = $this->createContextFactory->create(
+            $bookingCreateDto,
+            RoomPricingCalculator::PRICING_MODE_ASSIGNMENT
+        );
 
         return $this->render('booking/create/step_3.html.twig', [
-            'bookingCreateDto' => $bookingCreateDto,
+            'bookingCreateContext' => $context,
             'form' => $form->createView(),
-            'summaryData' => $summaryData,
         ]);
     }