wip: additional services with constraints

src/Form/Service/Condition/AgeRangeCondition.php

@@ -138,4 +138,4 @@ class AgeRangeCondition implements FieldConditionInterface
 
         return (int) $dateOfBirth->diff($today)->y;
     }
-}
+}

src/Form/Service/Condition/ApplicantCondition.php

@@ -30,7 +30,7 @@ class ApplicantCondition implements FieldConditionInterface
     public function evaluate(BookingDtoInterface $bookingDto, int $participantIndex, array $formData): bool
     {
         // Default: applicant is the first participant (index 0)
-        return $participantIndex === 0;
+        return 0 === $participantIndex;
     }
 
     public function getDependentFields(): array
@@ -42,4 +42,4 @@ class ApplicantCondition implements FieldConditionInterface
     {
         return 'Checks if the participant is the applicant (index 0)';
     }
-}
+}

src/Form/Service/Condition/CompositeCondition.php

@@ -231,4 +231,4 @@ class CompositeCondition implements FieldConditionInterface
             throw new \InvalidArgumentException(sprintf('%s operator requires at least one condition', $operator));
         }
     }
-}
+}

src/Form/Service/Condition/FieldValueCondition.php

@@ -263,4 +263,4 @@ class FieldValueCondition implements FieldConditionInterface
             throw new \InvalidArgumentException(sprintf('Operator "%s" does not accept expectedValue parameter', $operator));
         }
     }
-}
+}

src/Form/Service/Condition/MutabilityCondition.php

@@ -46,4 +46,4 @@ class MutabilityCondition implements FieldConditionInterface
     {
         return 'Checks if the participant\'s personal data is mutable (edit flow)';
     }
-}
+}