Fix ios connection status on app restart

lib/features/connection/data/connection_repository.dart

@@ -16,6 +16,7 @@ import 'package:hiddify/utils/utils.dart';
 import 'package:meta/meta.dart';
 
 abstract interface class ConnectionRepository {
+  TaskEither<ConnectionFailure, Unit> setup();
   Stream<ConnectionStatus> watchConnectionStatus();
   TaskEither<ConnectionFailure, Unit> connect(
     String fileName,
@@ -120,7 +121,7 @@ class ConnectionRepositoryImpl
     );
   }
 
-  @visibleForTesting
+  @override
   TaskEither<ConnectionFailure, Unit> setup() {
     if (_initialized) return TaskEither.of(unit);
     return exceptionHandler(

lib/features/connection/notifier/connection_notifier.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:hiddify/core/preferences/general_preferences.dart';
 import 'package:hiddify/core/preferences/service_preferences.dart';
 import 'package:hiddify/features/connection/data/connection_data_providers.dart';
@@ -14,7 +16,13 @@ part 'connection_notifier.g.dart';
 @Riverpod(keepAlive: true)
 class ConnectionNotifier extends _$ConnectionNotifier with AppLogger {
   @override
-  Stream<ConnectionStatus> build() {
+  Stream<ConnectionStatus> build() async* {
+    if (Platform.isIOS) {
+      await _connectionRepo.setup().mapLeft((l) {
+        loggy.error("error setting up connection repository", l);
+      }).run();
+    }
+
     ref.listen(
       activeProfileProvider.select((value) => value.asData?.value),
       (previous, next) async {
@@ -25,7 +33,7 @@ class ConnectionNotifier extends _$ConnectionNotifier with AppLogger {
         }
       },
     );
-    return _connectionRepo.watchConnectionStatus().doOnData((event) {
+    yield* _connectionRepo.watchConnectionStatus().doOnData((event) {
       if (event case Disconnected(connectionFailure: final _?)
           when PlatformUtils.isDesktop) {
         ref.read(startedByUserProvider.notifier).update(false);

lib/singbox/service/platform_singbox_service.dart

@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'dart:io';
 
 import 'package:flutter/services.dart';
 import 'package:fpdart/fpdart.dart';
@@ -37,8 +38,18 @@ class PlatformSingboxService with InfraLogger implements SingboxService {
   TaskEither<String, Unit> setup(
     Directories directories,
     bool debug,
-  ) =>
-      TaskEither.of(unit);
+  ) {
+    return TaskEither(
+      () async {
+        if (!Platform.isIOS) {
+          return right(unit);
+        }
+
+        await _methodChannel.invokeMethod("setup");
+        return right(unit);
+      },
+    );
+  }
 
   @override
   TaskEither<String, Unit> validateConfigByPath(