sam-manage/app/Providers/ViewServiceProvider.php

<?php

namespace App\Providers;

use App\Models\Tenants\Tenant;
use Illuminate\Support\Facades\View;
use Illuminate\Support\ServiceProvider;

class ViewServiceProvider extends ServiceProvider
{
    /**
     * Register services.
     */
    public function register(): void
    {
        //
    }

    /**
     * Bootstrap services.
     */
    public function boot(): void
    {
        // 모든 뷰에 테넌트 목록 공유 (전역용)
        View::composer('*', function ($view) {
            if (auth()->check()) {
                $globalTenants = Tenant::active()
                    ->orderBy('company_name')
                    ->get(['id', 'company_name', 'code']);

                $view->with('globalTenants', $globalTenants);
            }
        });
    }
}