feat: bigint to ulid

database/migrations/2026_05_27_073905_create_subscriptions_table.php

@@ -13,7 +13,7 @@ return new class extends Migration
     {
         Schema::create('subscriptions', function (Blueprint $table) {
             $table->id();
-            $table->foreignId('user_id');
+            $table->foreignUlid('user_id');
             $table->string('type');
             $table->string('stripe_id')->unique();
             $table->string('stripe_status');