feat: make all member fields optional, so member creation can be continued later

priv/repo/migrations/20250805151226_update_member_constraints.exs

@@ -0,0 +1,23 @@
+defmodule Mv.Repo.Migrations.UpdateMemberConstraints 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
+    alter table(:members) do
+      modify :last_name, :text, null: true
+      modify :first_name, :text, null: true
+    end
+  end
+
+  def down do
+    alter table(:members) do
+      modify :first_name, :text, null: false
+      modify :last_name, :text, null: false
+    end
+  end
+end