feat: add typed dto for cms data

src/Controller/Booking/Create/Step2ParticipantController.php

@@ -138,6 +138,8 @@ class Step2ParticipantController extends AbstractController
             'form' => $form->createView(),
             'participantIndex' => $index,
             'bookingCreateContext' => $bookingCreateContext,
+            'bookingDto' => $bookingCreateContext->bookingDto,
+            'summaryData' => $bookingCreateContext->summaryData,
             'refreshRouteName' => 'app_booking_create_step_2_participant_refresh',
         ]);
     }
@@ -207,6 +209,8 @@ class Step2ParticipantController extends AbstractController
                 'form' => $form->createView(),
                 'participantIndex' => $index,
                 'bookingCreateContext' => $bookingCreateContext,
+                'bookingDto' => $bookingCreateContext->bookingDto,
+                'summaryData' => $bookingCreateContext->summaryData,
                 'refreshRouteName' => $refreshRouteName,
             ]
         );

src/Controller/Booking/Edit/ParticipantController.php

@@ -102,6 +102,9 @@ class ParticipantController extends AbstractController
             'form' => $form->createView(),
             'participantIndex' => $index,
             'bookingEditContext' => $context,
+            'bookingDto' => $context->bookingDto,
+            'summaryData' => $context->summaryData,
+            'mutableData' => $context->mutableData,
             'refreshRouteName' => 'app_booking_edit_participant_refresh',
             'refreshRouteParams' => ['id' => $id, 'index' => $index],
             'cancelRouteName' => 'app_booking_edit',
@@ -158,6 +161,9 @@ class ParticipantController extends AbstractController
                 'form' => $form->createView(),
                 'participantIndex' => $index,
                 'bookingEditContext' => $context,
+                'bookingDto' => $context->bookingDto,
+                'summaryData' => $context->summaryData,
+                'mutableData' => $context->mutableData,
                 'refreshRouteName' => 'app_booking_edit_participant_refresh',
                 'refreshRouteParams' => ['id' => $id, 'index' => $index],
                 'cancelRouteName' => 'app_booking_edit',

src/Form/Model/BookingSummaryDto.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace App\Form\Model;
 
+use App\Model\BookingSummaryCmsHotelDto;
+
 /**
  * DTO containing all booking summary data for sidebar display.
  */
@@ -17,7 +19,7 @@ class BookingSummaryDto
         public readonly int $participantCount,
         public readonly BookingSummaryPricingDto $pricing,
         public readonly BookingSummaryVoucherDto $vouchers,
-        public readonly ?array $cmsData,
+        public readonly ?BookingSummaryCmsHotelDto $cmsData,
     ) {
     }
 }

src/Model/BookingSummaryCmsHotelDto.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+/**
+ * Typed hotel CMS payload for the booking summary.
+ */
+final readonly class BookingSummaryCmsHotelDto
+{
+    /**
+     * @param array<string, mixed>|null $images
+     */
+    public function __construct(
+        public ?string $name,
+        public ?string $address,
+        public ?array $images,
+    ) {
+    }
+}

src/Service/BookingSummaryDataService.php

@@ -12,6 +12,7 @@ use App\Form\Model\BookingDto;
 use App\Form\Model\BookingSummaryDto;
 use App\Form\Model\BookingSummaryPricingDto;
 use App\Form\Model\BookingSummaryVoucherDto;
+use App\Model\BookingSummaryCmsHotelDto;
 use Psr\Log\LoggerInterface;
 use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\Cache\ItemInterface;
@@ -153,7 +154,7 @@ class BookingSummaryDataService
      * Data is cached for 1 hour. This method can be called early in the booking
      * flow to warm the cache.
      */
-    public function getCmsDataForProduct(?string $productCode, ?string $hotelCode): ?array
+    public function getCmsDataForProduct(?string $productCode, ?string $hotelCode): ?BookingSummaryCmsHotelDto
     {
         if (null === $hotelCode) {
             return null;
@@ -171,14 +172,11 @@ class BookingSummaryDataService
                 // Fetch CMS images (nice to have)
                 $images = $this->cmsDataService->getProductImages($productCode, $hotelCode);
 
-                // Return combined data structure compatible with templates
-                return [
-                    'hotel' => [
-                        'name' => $baseHotel?->name,
-                        'address' => $this->formatHotelAddress($baseHotel),
-                        'images' => $images,
-                    ],
-                ];
+                return new BookingSummaryCmsHotelDto(
+                    name: $baseHotel?->name,
+                    address: $this->formatHotelAddress($baseHotel),
+                    images: $images,
+                );
             });
         } catch (\Throwable $e) {
             $this->logger->error('Failed to fetch hotel display data', [