allow to delegate

db/migrate/20260327100000_create_submitter_versions.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class CreateSubmitterVersions < ActiveRecord::Migration[8.1]
+  def change
+    create_table :submitter_versions do |t|
+      t.references :submitter, null: false, foreign_key: true
+      t.string :slug, null: false
+      t.string :email
+      t.string :name
+      t.string :phone
+
+      t.timestamps
+    end
+
+    add_index :submitter_versions, :slug
+  end
+end