construprogress/app/Livewire/RoleForm.php

<?php

namespace App\Livewire;

use Livewire\Component;
use Livewire\Attributes\Layout;
use Illuminate\Support\Facades\Auth;
use Spatie\Permission\Models\Role;
use Spatie\Permission\PermissionRegistrar;

#[Layout('layouts.app')]
class RoleForm extends Component
{
    public ?Role $role = null;

    public string $name = '';
    public string $description = '';

    private const PROTECTED_ROLES = ['Admin'];
    private const CORE_PERMISSION = 'manage all';

    public function mount(?Role $role = null): void
    {
        abort_unless(Auth::user()?->can(self::CORE_PERMISSION), 403);

        if ($role && $role->exists) {
            $this->role        = $role;
            $this->name        = $role->name;
            $this->description = $role->description ?? '';
        }
    }

    public function save()
    {
        $this->validate([
            'name'        => 'required|string|max:50|unique:roles,name' . ($this->role ? ',' . $this->role->id : ''),
            'description' => 'nullable|string|max:255',
        ], [], ['name' => 'nombre', 'description' => 'descripción']);

        if ($this->role) {
            // Protected roles can't be renamed
            if (! in_array($this->role->name, self::PROTECTED_ROLES, true)) {
                $this->role->name = $this->name;
            }
            $this->role->description = $this->description ?: null;
            $this->role->save();
        } else {
            Role::create([
                'name'        => $this->name,
                'description' => $this->description ?: null,
            ]);
        }

        app(PermissionRegistrar::class)->forgetCachedPermissions();
        session()->flash('message', 'Rol guardado correctamente.');

        return $this->redirect(route('admin.roles'), navigate: true);
    }

    public function render()
    {
        return view('livewire.roles.role-form', [
            'isProtected' => $this->role && in_array($this->role->name, self::PROTECTED_ROLES, true),
        ]);
    }
}