feat: mobile-like window size and always-visible stats

- Changed window size to mobile phone format (400x800)
- Removed width condition for ActiveProxyFooter - now always visible
- Added run-umbrix.sh launch script with icon copying
- Stats cards now display on all screen sizes

lib/features/app_update/data/app_update_data_providers.dart

@@ -1,5 +1,5 @@
-import 'package:hiddify/core/http_client/http_client_provider.dart';
-import 'package:hiddify/features/app_update/data/app_update_repository.dart';
+import 'package:umbrix/core/http_client/http_client_provider.dart';
+import 'package:umbrix/features/app_update/data/app_update_repository.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'app_update_data_providers.g.dart';

lib/features/app_update/data/app_update_repository.dart

@@ -1,12 +1,12 @@
 import 'package:fpdart/fpdart.dart';
-import 'package:hiddify/core/http_client/dio_http_client.dart';
-import 'package:hiddify/core/model/constants.dart';
-import 'package:hiddify/core/model/environment.dart';
-import 'package:hiddify/core/utils/exception_handler.dart';
-import 'package:hiddify/features/app_update/data/github_release_parser.dart';
-import 'package:hiddify/features/app_update/model/app_update_failure.dart';
-import 'package:hiddify/features/app_update/model/remote_version_entity.dart';
-import 'package:hiddify/utils/utils.dart';
+import 'package:umbrix/core/http_client/dio_http_client.dart';
+import 'package:umbrix/core/model/constants.dart';
+import 'package:umbrix/core/model/environment.dart';
+import 'package:umbrix/core/utils/exception_handler.dart';
+import 'package:umbrix/features/app_update/data/github_release_parser.dart';
+import 'package:umbrix/features/app_update/model/app_update_failure.dart';
+import 'package:umbrix/features/app_update/model/remote_version_entity.dart';
+import 'package:umbrix/utils/utils.dart';
 
 abstract interface class AppUpdateRepository {
   TaskEither<AppUpdateFailure, RemoteVersionEntity> getLatestVersion({
@@ -15,9 +15,7 @@ abstract interface class AppUpdateRepository {
   });
 }
 
-class AppUpdateRepositoryImpl
-    with ExceptionHandler, InfraLogger
-    implements AppUpdateRepository {
+class AppUpdateRepositoryImpl with ExceptionHandler, InfraLogger implements AppUpdateRepository {
   AppUpdateRepositoryImpl({required this.httpClient});
 
   final DioHttpClient httpClient;
@@ -32,25 +30,86 @@ class AppUpdateRepositoryImpl
         if (!release.allowCustomUpdateChecker) {
           throw Exception("custom update checkers are not supported");
         }
-        final response =
-            await httpClient.get<List>(Constants.githubReleasesApiUrl);
-        if (response.statusCode != 200 || response.data == null) {
-          loggy.warning("failed to fetch latest version info");
-          return left(const AppUpdateFailure.unexpected());
-        }
 
-        final releases = response.data!.map(
-          (e) => GithubReleaseParser.parse(e as Map<String, dynamic>),
-        );
-        late RemoteVersionEntity latest;
-        if (includePreReleases) {
-          latest = releases.first;
+        // Выбираем источник обновлений: собственный сервер или GitHub
+        if (Constants.useCustomUpdateServer) {
+          return _getVersionFromCustomServer(includePreReleases);
         } else {
-          latest = releases.firstWhere((e) => e.preRelease == false);
+          return _getVersionFromGitHub(includePreReleases);
         }
-        return right(latest);
       },
       AppUpdateFailure.unexpected,
     );
   }
+
+  /// Получение версии с собственного сервера обновлений
+  /// Формат ответа:
+  /// {
+  ///   "version": "2.5.8",
+  ///   "build_number": "258",
+  ///   "is_prerelease": false,
+  ///   "download_url": "https://your-server.com/downloads/umbrix-2.5.8.apk",
+  ///   "release_notes": "Что нового в этой версии",
+  ///   "published_at": "2026-01-16T10:00:00Z"
+  /// }
+  Future<Either<AppUpdateFailure, RemoteVersionEntity>> _getVersionFromCustomServer(
+    bool includePreReleases,
+  ) async {
+    try {
+      final url = includePreReleases ? "${Constants.customUpdateServerUrl}?include_prerelease=true" : Constants.customUpdateServerUrl;
+
+      final response = await httpClient.get<Map<String, dynamic>>(url);
+
+      if (response.statusCode != 200 || response.data == null) {
+        loggy.warning("failed to fetch version from custom server");
+        return left(const AppUpdateFailure.unexpected());
+      }
+
+      final data = response.data!;
+      final version = RemoteVersionEntity(
+        version: data['version'] as String,
+        buildNumber: data['build_number'] as String,
+        releaseTag: data['version'] as String,
+        preRelease: data['is_prerelease'] as bool? ?? false,
+        url: data['download_url'] as String,
+        publishedAt: DateTime.parse(data['published_at'] as String),
+        flavor: Environment.prod,
+      );
+
+      return right(version);
+    } catch (e, stackTrace) {
+      loggy.warning("error fetching from custom server", e, stackTrace);
+      return left(const AppUpdateFailure.unexpected());
+    }
+  }
+
+  /// Получение версии из GitHub Releases (публичный репозиторий)
+  Future<Either<AppUpdateFailure, RemoteVersionEntity>> _getVersionFromGitHub(
+    bool includePreReleases,
+  ) async {
+    try {
+      final response = await httpClient.get<List>(Constants.githubReleasesApiUrl);
+
+      if (response.statusCode != 200 || response.data == null) {
+        loggy.warning("failed to fetch latest version info from GitHub");
+        return left(const AppUpdateFailure.unexpected());
+      }
+
+      final releases = response.data!.map(
+        (e) => GithubReleaseParser.parse(e as Map<String, dynamic>),
+      );
+
+      late RemoteVersionEntity latest;
+      if (includePreReleases) {
+        latest = releases.first;
+      } else {
+        latest = releases.firstWhere((e) => e.preRelease == false);
+      }
+
+      return right(latest);
+    } catch (e, stackTrace) {
+      loggy.warning("error fetching from GitHub", e, stackTrace);
+      return left(const AppUpdateFailure.unexpected());
+    }
+  }
 }

lib/features/app_update/data/github_release_parser.dart

@@ -1,6 +1,6 @@
 import 'package:dartx/dartx.dart';
-import 'package:hiddify/core/model/environment.dart';
-import 'package:hiddify/features/app_update/model/remote_version_entity.dart';
+import 'package:umbrix/core/model/environment.dart';
+import 'package:umbrix/features/app_update/model/remote_version_entity.dart';
 
 abstract class GithubReleaseParser {
   static RemoteVersionEntity parse(Map<String, dynamic> json) {