fix: add missing Admin controllers, fix __DIR__ paths (3 levels), defensive ServiceProvider

app/Addons/AdvancedAdmin/Http/Controllers/Admin/RevisionSettingsController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Pterodactyl\Addons\AdvancedAdmin\Http\Controllers\Admin;
+
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Routing\Controller;
+
+class RevisionSettingsController extends Controller
+{
+    /** GET api/application/addons/revisions/settings */
+    public function show(): JsonResponse
+    {
+        return response()->json([
+            'data' => [
+                'enabled'          => config('advanced-admin.revisions.enabled', true),
+                'max_file_size'    => config('advanced-admin.revisions.max_file_size', 10485760),
+                'max_per_file'     => config('advanced-admin.revisions.max_per_file', 50),
+                'retention_days'   => config('advanced-admin.revisions.retention_days', 90),
+            ],
+        ]);
+    }
+
+    /** PUT api/application/addons/revisions/settings */
+    public function update(Request $request): JsonResponse
+    {
+        // Settings are managed via .env / config — return current for now
+        return $this->show();
+    }
+}