openstamanager/app/Http/Middleware/Authenticate.php

<?php

namespace App\Http\Middleware;

use Illuminate\Auth\Middleware\Authenticate as Middleware;

class Authenticate extends Middleware
{
    /**
     * Get the path the user should be redirected to when they are not authenticated.
     */
    protected function redirectTo($request): string|null
    {
        if (!$request->expectsJson()) {
            return route('auth.login');
        }
        return null;
    }
}