major update

lib/Support/helpers/auth.php

@@ -9,29 +9,3 @@ function accountUrl(): string
     $uuid = (string) ($user['uuid'] ?? '');
     return $uuid !== '' ? lurl('profile') : lurl('login');
 }
-
-/**
- * Check if the current user has a permission key.
- */
-function can(string $permissionKey): bool
-{
-    $userId = (int) ($_SESSION['user']['id'] ?? 0);
-    if ($userId <= 0) {
-        return false;
-    }
-    if (!function_exists('permissionGateway')) {
-        return false;
-    }
-
-    $permissionGateway = permissionGateway();
-
-    // First try the in-memory/session cache, then fall back to a direct fetch.
-    $keys = $permissionGateway->getCachedPermissions($userId);
-    if (!$keys) {
-        $keys = $permissionGateway->getUserPermissions($userId);
-        if (!$keys) {
-            return false;
-        }
-    }
-    return in_array($permissionKey, $keys, true);
-}