wip: finalize implementation

src/Form/Service/ParticipantFieldOptionsProvider.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Form\Service;
 
 use App\BusProNet\Constants;
+use App\BusProNet\Model\Insurance;
 use App\BusProNet\Model\Pickup;
 use App\BusProNet\Model\Service;
 use App\BusProNet\Utility\DirectionMapper;
@@ -45,13 +46,11 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
      * @param ParticipantRoomChoiceLoaderFactory $roomChoiceLoaderFactory       Factory for creating room choice loaders
      * @param ServiceAvailabilityCalculator      $serviceAvailabilityCalculator Service for calculating dynamic availability
      * @param InsuranceMatchingService           $insuranceMatchingService      Service for matching insurances to participants
-     * @param UrlGeneratorInterface              $urlGenerator                  URL generator for HTMX endpoints
      */
     public function __construct(
         private readonly ParticipantRoomChoiceLoaderFactory $roomChoiceLoaderFactory,
         private readonly ServiceAvailabilityCalculator $serviceAvailabilityCalculator,
         private readonly InsuranceMatchingService $insuranceMatchingService,
-        private readonly UrlGeneratorInterface $urlGenerator,
     ) {
         parent::__construct();
     }
@@ -435,7 +434,18 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
             'multiple' => false,
             'expanded' => true,
             'required' => false,
-            'insurances' => $this->getEligibleInsurances($bookingDto, $participantIndex),
+            'choices' => $this->getEligibleInsurances($bookingDto, $participantIndex),
+            'choice_value' => 'id',
+            'choice_label' => function (?Insurance $insurance) {
+                $label = $insurance->label;
+
+                if (null !== $insurance->price && $insurance->price > 0) {
+                    $label .= sprintf(' (€%s)', number_format($insurance->price, 2, ',', '.'));
+                }
+
+                return $label;
+            },
+            'placeholder' => 'Keine Versicherung gewünscht',
         ];
 
         // Future field providers would be added here, for example: