feat(helpdesk): align module with core list/drawer standards

- add helpdesk module pages, services, settings and tests

- standardize debtor list on drawer/grid contracts and robust filter drawer behavior

- add helpdesk aside panel navigation and settings visibility provider

- switch primary list slug to helpdesk/debitor and remove helpdesk/search compatibility

- include required core contract updates for list contracts and detail/drawer integration

modules/helpdesk/lib/Module/Helpdesk/Providers/HelpdeskLayoutProvider.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace MintyPHP\Module\Helpdesk\Providers;
+
+use MintyPHP\App\AppContainer;
+use MintyPHP\App\Module\Contracts\LayoutContextProvider;
+use MintyPHP\Service\Access\AuthorizationService;
+
+final class HelpdeskLayoutProvider implements LayoutContextProvider
+{
+    public function provide(array $session, AppContainer $container): array
+    {
+        $userId = (int) ($session['user']['id'] ?? 0);
+        if ($userId <= 0) {
+            return ['helpdesk.nav' => ['can_manage_settings' => false]];
+        }
+
+        try {
+            $authorizationService = $container->get(AuthorizationService::class);
+            $canManageSettings = $authorizationService->authorize('helpdesk.settings.manage', [
+                'actor_user_id' => $userId,
+            ])->isAllowed();
+        } catch (\Throwable) {
+            $canManageSettings = false;
+        }
+
+        return ['helpdesk.nav' => ['can_manage_settings' => $canManageSettings]];
+    }
+}