feat(admin): batch node-machine binding & frontend update

database/migrations/2026_04_18_000001_make_server_enabled_nullable.php

@@ -0,0 +1,21 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::table('v2_server', function (Blueprint $table) {
+            $table->boolean('enabled')->nullable()->default(true)->change();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('v2_server', function (Blueprint $table) {
+            $table->boolean('enabled')->default(true)->change();
+        });
+    }
+};