feat: replace board service placeholder to avoid duplicate entries

src/Form/AccommodationStep2Type.php

@@ -40,8 +40,7 @@ class AccommodationStep2Type extends AbstractType
                 'choices' => $options['board_service_choices'],
                 'expanded' => true,
                 'multiple' => false,
-                'required' => false,
-                'placeholder' => 'Selbstversorgung',
+                'required' => true,
             ])
             ->add('selectedAdditionalServiceIds', ChoiceType::class, [
                 'label' => false,
@@ -65,11 +64,6 @@ class AccommodationStep2Type extends AbstractType
                 }
             }
 
-            // Board service rendered manually: empty string from the "Selbstversorgung" radio → null
-            if (isset($data['selectedBoardServiceId']) && '' === $data['selectedBoardServiceId']) {
-                unset($data['selectedBoardServiceId']);
-            }
-
             $event->setData($data);
         });
     }

src/Form/Model/AccommodationBookingDto.php

@@ -25,6 +25,7 @@ class AccommodationBookingDto
     #[Assert\PositiveOrZero(message: 'invalid', groups: ['step_3'])]
     public int $childrenCount = 0;
 
+    #[Assert\NotNull(message: 'required', groups: ['step_2'])]
     public ?int $selectedBoardServiceId = null;
 
     /** @var list<int>*/

templates/groups/booking/step_2.html.twig

@@ -81,20 +81,6 @@
                                         Verpflegungsleistungen
                                     </legend>
                                     <table class="w-full table-fixed border-collapse">
-                                        <tr>
-                                            <td class="border border-primary-bg p-2 align-top">
-                                                <label for="board_service_none" class="cursor-pointer">Selbstversorgung</label>
-                                            </td>
-                                            <td class="border border-primary-bg p-2 align-top w-32 text-right"></td>
-                                            <td class="border border-primary-bg p-2 align-top w-12 text-center">
-                                                <input type="radio"
-                                                       id="board_service_none"
-                                                       name="{{ form.selectedBoardServiceId.vars.full_name }}"
-                                                       value=""
-                                                       {% if dto.selectedBoardServiceId is null %}checked{% endif %}
-                                                       class="form-radio">
-                                            </td>
-                                        </tr>
                                         {% for service in ctx.boardServices %}
                                             <tr>
                                                 <td class="border border-primary-bg p-2 align-top">
@@ -110,7 +96,9 @@
                                                 </td>
                                                 <td class="border border-primary-bg p-2 align-top w-32 text-right">
                                                     <div>{% if service.price == 0 %}inkl.{% else %}{{ (service.price / 100)|format_currency(ctx.accommodation.currency) }}{% endif %}</div>
-                                                    <div class="text-xs text-gray-500">pro Person und Nacht</div>
+                                                    {% if service.price != 0 %}
+                                                        <div class="text-xs text-gray-500">pro Person und Nacht</div>
+                                                    {% endif %}
                                                 </td>
                                                 <td class="border border-primary-bg p-2 align-top w-12 text-center">
                                                     <input type="radio"