fix: disable updating preferences in demo

app/Http/Controllers/API/ProfileController.php

@@ -51,6 +51,10 @@ class ProfileController extends Controller
      */
     public function update(ProfileUpdateRequest $request)
     {
+        if (config('koel.misc.demo')) {
+            return response()->json();
+        }
+
         $data = $request->only('name', 'email');
 
         if ($request->password) {

config/koel.php

@@ -131,6 +131,7 @@ return [
         'docs_url' => 'https://koel.phanan.net/docs',
         'sponsor_github_url' => 'https://github.com/users/phanan/sponsorship',
         'sponsor_open_collective_url' => 'https://opencollective.com/koel',
+        'demo' => env('KOEL_DEMO', false),
     ],
 
 ];

resources/assets

@@ -1 +1 @@
-Subproject commit b957d7b552740f4e14aa12c13190bbaf79f714e8
+Subproject commit 21405b614816fe6c50432d053a62b1bcaaaedd86