Gestión de usuarios por proyecto: ProjectUsers Livewire, AdminUsers, panel admin con roles, protección de rutas

app/Livewire/AdminUsers.php

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+<?php
+
+namespace App\Livewire;
+
+use Livewire\Component;
+use App\Models\User;
+use Spatie\Permission\Models\Role;
+use Illuminate\Support\Facades\Auth;
+
+class AdminUsers extends Component
+{
+    public $users;
+    public $roles;
+
+    public function mount()
+    {
+        if (!Auth::user()->hasRole('Admin')) {
+            abort(403);
+        }
+        $this->roles = Role::all();
+        $this->loadUsers();
+    }
+
+    public function loadUsers()
+    {
+        $this->users = User::with('roles')->orderBy('name')->get();
+    }
+
+    public function updateRole($userId, $roleName)
+    {
+        $user = Auth::user();
+        if (!$user->hasRole('Admin')) {
+            session()->flash('error', 'Solo administradores.');
+            return;
+        }
+
+        $targetUser = User::findOrFail($userId);
+        if ($targetUser->id === $user->id && $targetUser->hasRole('Admin')) {
+            session()->flash('error', 'No puedes cambiarte el rol a ti mismo.');
+            return;
+        }
+
+        $targetUser->syncRoles([$roleName]);
+        $this->loadUsers();
+        $this->dispatch('notify', 'Rol actualizado.');
+    }
+
+    public function render()
+    {
+        return view('livewire.admin-users');
+    }
+}