snapshot schedule source data

backend/app/Schedule/CreateScheduleDto.php

@@ -2,7 +2,6 @@
 
 namespace App\Schedule;
 
-use App\Set\Set;
 use App\User\User;
 use DateTimeImmutable;
 
@@ -13,7 +12,7 @@ final readonly class CreateScheduleDto
      */
     public function __construct(
         public User $user,
-        public Set $set,
+        public string $setName,
         public string $elementKind,
         public DateTimeImmutable $startDate,
         public DateTimeImmutable $targetDate,