wip: insurance booking

tests/Service/InsuranceMatchingServiceTest.php

@@ -171,7 +171,11 @@ class InsuranceMatchingServiceTest extends TestCase
 
         $result = $this->service->getEligibleInsurances([$insurance], $participant, $booking);
 
-        $this->assertEmpty($result);
+        // Participants without birth date should now have insurances available
+        // (field visibility is controlled by field state conditions, not service logic)
+        $this->assertNotEmpty($result);
+        $this->assertCount(1, $result);
+        $this->assertSame($insurance, $result[0]);
     }
 
     public function testGetEligibleInsurancesWithNullConstraints(): void