small fixups

Fixes #67

DEVELOPMENT.md

@@ -65,7 +65,7 @@ When possible, use immutable collections instead of the mutable equivalent. For
 
 When possible, we prefer not to create global variables or methods. You can usually replace a global variable with a Riverpod controller, and a global method with an extension method.
 
-I'm also not a big fan of private methods or variables, but this is contextual.
+I'm also not a big fan of unneeded private methods or variables, but this is contextual.
 
 ### Modern Dart syntax
 

gomuks

@@ -1 +1 @@
-Subproject commit 38e5033c3a91db0cbea6cbd9f0feef9ff6441038
+Subproject commit ad275f7613894d9d2fa4d16d733a6816e2978de9

lib/controllers/gomuks_listener.dart

@@ -1,5 +1,6 @@
 import "dart:async";
 import "dart:ffi";
+import "dart:isolate";
 
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:flutter/foundation.dart";
@@ -112,12 +113,20 @@ class GomuksListenerController extends AsyncNotifier<void> {
 
     ref.onDispose(callable.close);
 
-    final errorCode = GomuksStart(handle, callable.nativeFunction);
+    final errorCode = await _start(handle, callable.nativeFunction);
     if (errorCode != 0) {
       throw Exception("GomuksStart returned error code $errorCode");
     }
   }
 
+  static Future<int> _start(
+    int handle,
+    Pointer<
+      NativeFunction<Void Function(Pointer<Char>, Int64, GomuksOwnedBuffer)>
+    >
+    callback,
+  ) => Isolate.run(() => GomuksStart(handle, callback));
+
   static final provider = AsyncNotifierProvider<GomuksListenerController, void>(
     GomuksListenerController.new,
   );

lib/main.dart

@@ -5,6 +5,7 @@ import "package:flutter/foundation.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:material_emoji_picker/material_emoji_picker.dart";
 import "package:media_kit/media_kit.dart";
+import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
 import "package:nexus/controllers/gomuks_listener.dart";
 import "package:nexus/controllers/key.dart";
@@ -193,6 +194,7 @@ class const App({super.key}) extends StatelessWidget {
               AsyncError(:final error, :final stackTrace) => ErrorDialog(
                 error,
                 stackTrace,
+                provider: ClientController.provider,
               ),
             },
           ),