wip: refactor to cards with individual participant forms

src/Form/Service/ParticipantBulkInsuranceFieldHandler.php

@@ -39,11 +39,12 @@ class ParticipantBulkInsuranceFieldHandler extends AbstractParticipantFieldHandl
      * the bulkInsuranceBooking checkbox - their insurance is controlled by the handler.
      *
      * @param array<string, mixed> $submittedData    The submitted participant form data
+     * @param string               $mode             The booking mode (BookingDto::MODE_CREATE or MODE_EDIT)
      * @param int                  $participantIndex The index of the participant being processed
      *
      * @return bool True if this is the applicant, false otherwise
      */
-    public function shouldProcess(array $submittedData, int $participantIndex): bool
+    public function shouldProcess(array $submittedData, string $mode, int $participantIndex): bool
     {
         return 0 === $participantIndex; // Only process for applicant
     }