feat: custom field deletion

priv/repo/migrations/20251113183538_change_custom_field_delete_cascade.exs

@@ -0,0 +1,38 @@
+defmodule Mv.Repo.Migrations.ChangeCustomFieldDeleteCascade do
+  @moduledoc """
+  Updates resources based on their most recent snapshots.
+
+  This file was autogenerated with `mix ash_postgres.generate_migrations`
+  """
+
+  use Ecto.Migration
+
+  def up do
+    drop constraint(:custom_field_values, "custom_field_values_custom_field_id_fkey")
+
+    alter table(:custom_field_values) do
+      modify :custom_field_id,
+             references(:custom_fields,
+               column: :id,
+               name: "custom_field_values_custom_field_id_fkey",
+               type: :uuid,
+               prefix: "public",
+               on_delete: :delete_all
+             )
+    end
+  end
+
+  def down do
+    drop constraint(:custom_field_values, "custom_field_values_custom_field_id_fkey")
+
+    alter table(:custom_field_values) do
+      modify :custom_field_id,
+             references(:custom_fields,
+               column: :id,
+               name: "custom_field_values_custom_field_id_fkey",
+               type: :uuid,
+               prefix: "public"
+             )
+    end
+  end
+end