Fix proxy headers and help sync boot

tests/Feature/Help/HelpSyncServiceTest.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Tests\Feature\Help;
+
+use App\Services\Help\HelpSyncService;
+use Illuminate\Support\Facades\Config;
+use Illuminate\Support\Facades\Storage;
+use Tests\TestCase;
+
+class HelpSyncServiceTest extends TestCase
+{
+    public function test_help_sync_writes_compiled_articles(): void
+    {
+        Storage::fake('local');
+        Config::set('help.disk', 'local');
+
+        $service = $this->app->make(HelpSyncService::class);
+        $result = $service->sync();
+
+        $this->assertNotEmpty($result);
+        Storage::disk('local')->assertExists('help/guest/en/articles.json');
+        Storage::disk('local')->assertExists('help/guest/de/articles.json');
+    }
+}