feat(dev): environment ribbon and one-click dev login on the public site and auth pages

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

includes/dev_toolbar.php

@@ -1,11 +1,11 @@
 <?php
 // DEV ONLY -- barra de login de um clique (platform-tools). Não imprime nada
-// fora de dev. Incluída por includes/footer.php.
+// fora de dev. Incluída por includes/footer.php, auth_footer.php e site/includes/footer.php.
 require_once __DIR__ . '/../config/dev_guard.php';
 if (!function_exists('platform_dev_toolbar')) return;
 platform_dev_toolbar([
     'login_url'  => base_url('dev_login'),
     'logout_url' => base_url('views/auth/logout.php'),
-    'roles'      => ['admin' => 'Admin', 'sysadmin' => 'Sysadmin'],
+    'roles'      => ['client' => 'Cliente', 'staff' => 'Staff', 'admin' => 'Admin', 'sysadmin' => 'Sysadmin'],
     'csrf_field' => 'csrf_field',
 ]);