wip: refactor to cards with individual participant forms

tests/Form/Service/ParticipantInsuranceFieldHandlerTest.php

@@ -32,16 +32,37 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
     {
         $dependencies = $this->handler->getDependencies();
 
-        $this->assertEquals(['dateOfBirth'], $dependencies);
+        // Insurance handler depends on all price-affecting fields to ensure accurate reassignment
+        $expectedDependencies = [
+            'dateOfBirth',
+            'skiPass',
+            'rentals',
+            'courses',
+            'additionalServices',
+            'board',
+            'transportationOutbound',
+            'transportationInbound',
+            'pickup',
+            'parking',
+        ];
+
+        $this->assertEquals($expectedDependencies, $dependencies);
     }
 
-    public function testShouldProcessAlwaysReturnsTrue(): void
+    public function testShouldProcessReturnsTrueInCreateMode(): void
     {
-        $result = $this->handler->shouldProcess([], 0);
+        $result = $this->handler->shouldProcess([], BookingDto::MODE_CREATE, 0);
 
         $this->assertTrue($result);
     }
 
+    public function testShouldProcessReturnsFalseInEditMode(): void
+    {
+        $result = $this->handler->shouldProcess([], BookingDto::MODE_EDIT, 0);
+
+        $this->assertFalse($result, 'Insurance handler should not process in edit mode as API does not return insurance data');
+    }
+
     public function testProcessFieldSetsInsuranceToNullWhenNoParticipant(): void
     {
         $bookingDto = $this->createMockBookingDto();