wip: age based filtering of options

config/services.yaml

@@ -67,12 +67,14 @@ services:
         arguments:
             $choiceListFactory: '@form.choice_list_factory.default'
 
-    # Participant Field Handler Registry with hybrid handler configuration
+    # Participant Field Handler Registry - all handlers now instantiate dependencies directly
     App\Form\Service\ParticipantFieldHandlerRegistry:
         arguments:
             $handlers:
-                # Simple handlers (no dependencies) - use class names
+                # All handlers now have no external dependencies and can be instantiated directly
                 - 'App\Form\Service\ParticipantDateOfBirthFieldHandler'
                 - 'App\Form\Service\ParticipantAssignedRoomFieldHandler'
-                # Complex handlers (with dependencies) would use service references like:
-                # - '@participant.complex.handler'
+                - 'App\Form\Service\ParticipantAdditionalServicesFieldHandler'
+                - 'App\Form\Service\ParticipantCoursesFieldHandler'
+                - 'App\Form\Service\ParticipantBoardFieldHandler'
+                - 'App\Form\Service\ParticipantRentalsFieldHandler'