fix: don't show bulk insurance labels in summary

src/Service/ServicePricingCalculator.php

@@ -295,9 +295,10 @@ class ServicePricingCalculator
         }
 
         // Resolve insurance: use price-tier-adjusted insurance for bulk assignment
+        // Skip synthetic "no insurance" option - it's a UI construct that shouldn't appear in summary
         $insuranceToAggregate = $this->resolveInsuranceForAggregation($participant, $bookingDto);
 
-        if (null !== $insuranceToAggregate && null !== $insuranceToAggregate->price) {
+        if (null !== $insuranceToAggregate && null !== $insuranceToAggregate->price && false === $insuranceToAggregate->isNoInsurance()) {
             $this->addInsuranceToServiceAggregation($serviceAggregation, $insuranceToAggregate, 1);
         }