<?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::create('devices', function (Blueprint $t) {
   $t->id();
   $t->foreignId('tenant_id')->constrained('tenants')->cascadeOnDelete();
   $t->string('name',100);
   $t->string('slug',50);
   $t->string('type',30)->default('ems-esp');
   $t->string('mqtt_topic_prefix',100);
   $t->string('mqtt_username',50)->nullable();
   $t->string('timezone',50)->default('Europe/Berlin');
   $t->json('settings')->nullable();
   $t->timestamp('last_seen_at')->nullable();
   $t->timestamps();
   $t->unique(['tenant_id','slug']);
   $t->index('tenant_id');
  });
 }
 public function down(): void { Schema::dropIfExists('devices'); }
};