diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..08303a5
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "cmake.sourceDirectory": "/run/media/invisedivine/Drive/! My projects/Komet/linux/runner"
+}
\ No newline at end of file
diff --git a/ios/Flutter/Debug.xcconfig b/ios/Flutter/Debug.xcconfig
index 592ceee..ec97fc6 100644
--- a/ios/Flutter/Debug.xcconfig
+++ b/ios/Flutter/Debug.xcconfig
@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"
diff --git a/ios/Flutter/Release.xcconfig b/ios/Flutter/Release.xcconfig
index 592ceee..c4855bf 100644
--- a/ios/Flutter/Release.xcconfig
+++ b/ios/Flutter/Release.xcconfig
@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"
diff --git a/ios/Podfile b/ios/Podfile
new file mode 100644
index 0000000..620e46e
--- /dev/null
+++ b/ios/Podfile
@@ -0,0 +1,43 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '13.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end
diff --git a/lib/backend/api.dart b/lib/backend/api.dart
index e69de29..f014ad8 100644
--- a/lib/backend/api.dart
+++ b/lib/backend/api.dart
@@ -0,0 +1,258 @@
+import 'dart:async';
+import 'dart:typed_data';
+
+import '../core/config/config.dart';
+import '../core/protocol/opcode_map.dart';
+import '../core/protocol/packet.dart';
+import '../core/transport/connection.dart';
+import '../core/transport/dispatcher.dart';
+import '../core/transport/receiver.dart';
+import '../core/transport/sender.dart';
+import '../core/utils/logger.dart';
+
+import 'package:device_info_plus/device_info_plus.dart';
+import 'dart:io';
+import 'package:timezone/data/latest_all.dart' as tz;
+import 'package:timezone/timezone.dart' as tz;
+import 'package:flutter_timezone/flutter_timezone.dart';
+
+enum SessionState { 
+  disconnected, 
+  connecting,
+  connected, 
+  online 
+}
+
+/// Клиент API.
+///
+/// Подключение, хэндшейк, пинг, реконнект.
+class Api {
+  final Connection _connection = Connection();
+  final PacketReceiver _receiver = PacketReceiver();
+  final PacketSender _sender = PacketSender();
+  final PacketDispatcher _dispatcher = PacketDispatcher();
+
+  SessionState _sessionState = SessionState.disconnected;
+  final _stateController = StreamController<SessionState>.broadcast();
+
+  Stream<SessionState> get stateStream => _stateController.stream;
+  SessionState get state => _sessionState;
+
+  StreamSubscription<Uint8List>? _dataSubscription;
+  StreamSubscription<SocketState>? _socketStateSubscription;
+  Timer? _pingTimer;
+  Timer? _reconnectTimer;
+  int _reconnectAttempts = 0;
+  bool _autoReconnect = false;
+
+  // Публичное API
+
+  /// Подключается к серверу, шлёт хэндшейк, запускает пинг.
+  Future<void> connect() async {
+    if (_sessionState != SessionState.disconnected) return;
+    // Ставим автоматический реконнект и статус подключения
+    _autoReconnect = true;
+    _setSessionState(SessionState.connecting);
+
+    _dataSubscription = _connection.dataStream.listen(_onDataReceived);
+    _socketStateSubscription = _connection.stateStream.listen((socketState) {
+      if (socketState == SocketState.disconnected &&
+          _sessionState != SessionState.disconnected) {
+        _onDisconnected();
+      }
+    });
+
+    try {
+      await _connection.connect(ServerConfig.host, ServerConfig.port);
+    } catch (e) {
+      logger.e('Не удалось подключиться: $e');
+      _cleanup();
+      _setSessionState(SessionState.disconnected);
+      _scheduleReconnect();
+      return;
+    }
+
+    _setSessionState(SessionState.connected);
+    _reconnectAttempts = 0;
+
+    try {
+      final response = await sendHandshake();
+      if (response.isOk) {
+        _setSessionState(SessionState.online);
+        _startPinging();
+        logger.i('Сессия онлайн, хэндшейк ок');
+      } else {
+        logger.e('Хэндшейк отклонён: ${response.payload}');
+      }
+    } catch (e) {
+      logger.e('Ошибка хэндшейка: $e');
+    }
+  }
+
+  /// Отключается без автореконнекта.
+  Future<void> disconnect() async {
+    _autoReconnect = false;
+    _reconnectTimer?.cancel();
+    _cleanup();
+    await _connection.disconnect();
+    _setSessionState(SessionState.disconnected);
+  }
+
+  /// Отправляет хэндшейк (opcode 6).
+  Future<Packet> sendHandshake() async {
+    DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
+
+    // Если платформа Linux или Windows, то ставим DESKTOP, если нет, то проверяем на Android или IOS;
+    String deviceType = (Platform.isLinux || Platform.isWindows) ? "DESKTOP" : (Platform.isAndroid) ? "ANDROID" : "IOS";
+    String osVersion = "";
+    String deviceName = "Unknown";
+    String architecture = "arm64";
+
+    tz.initializeTimeZones();
+
+    final now = DateTime.now();
+    String timezone = "Europe/Moscow";
+
+    tz.initializeTimeZones();
+    final timeZoneName = await FlutterTimezone.getLocalTimezone();
+    timezone = timeZoneName.identifier;
+
+    // На каждой платформе свое инфо, поэтому делаем такую проверку
+    if (Platform.isLinux) {
+      LinuxDeviceInfo linuxInfo = await deviceInfo.linuxInfo;
+
+      osVersion = linuxInfo.name;
+      // Platform.version содержит в себе что-то такое
+      // 3.11.1 (stable) (Tue Feb 24 00:03:07 2026 -0800) on "linux_x64"
+      // Поэтому мы находим '_', прибавляем к его индексу 1 и берем символы до length - 1
+      architecture = Platform.version.substring(Platform.version.indexOf('_') + 1, Platform.version.length - 1);
+    } else if (Platform.isIOS) {
+      IosDeviceInfo iosInfo = await deviceInfo.iosInfo;
+
+      osVersion = iosInfo.systemVersion;
+      deviceName = iosInfo.utsname.machine;
+    } else if (Platform.isAndroid) {
+      AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
+      
+      osVersion = "Android ${androidInfo.version.release}";
+      deviceName = "${androidInfo.manufacturer} ${androidInfo.model}";
+      architecture =  androidInfo.supportedAbis.first;
+    } else if (Platform.isWindows) {
+      WindowsDeviceInfo windowsInfo = await deviceInfo.windowsInfo;    
+
+      osVersion = windowsInfo.productName;
+      architecture = Platform.version.substring(Platform.version.indexOf('_') + 1, Platform.version.length - 1);
+    }
+    
+    print(deviceType);
+    final payload = <dynamic, dynamic>{
+      'mt_instanceid': '550e8400-e29b-41d4-a716-446655440000',
+      'clientSessionId': 42,
+      'deviceId': 'a1b2c3d4e5f6a7b8',
+      'userAgent': {
+        'deviceType': deviceType,
+        // Первые два символа из locale это и есть нужный нам аргумент
+        'locale': "ru",
+        'deviceLocale': Platform.localeName.substring(0, 2),
+        'osVersion': osVersion,
+        'deviceName': deviceName,
+        'appVersion': '26.8.1',
+        'screen': '1920x1080',
+        // 'screen': screenSize.width + 'x' + screenSize.height,
+        'timezone': timezone,
+        'pushDeviceType': 'GCM',
+        'arch': architecture,
+        'buildNumber': 6606,
+      },
+    };
+
+    print(payload);
+    print(Platform.version);
+    return sendRequest(Opcode.sessionInit, payload);
+  }
+
+  /// Отправляет запрос и ждёт ответ от сервера.
+  Future<Packet> sendRequest(
+    int opcode,
+    Map<dynamic, dynamic> payload,
+  ) {
+    final seq = _sender.send(_connection, opcode, payload);
+    return _dispatcher.registerPending(seq).timeout(
+          ServerConfig.requestTimeout,
+          onTimeout: () =>
+              throw TimeoutException('${Opcode.name(opcode)} таймаут'),
+        );
+  }
+
+  /// Вешает обработчик на пуши с указанным опкодом.
+  void registerPushHandler(int opcode, void Function(Packet) handler) {
+    _dispatcher.registerHandler(opcode, handler);
+  }
+
+  /// Стрим всех входящих пушей от сервера.
+  Stream<Packet> get pushStream => _dispatcher.pushStream;
+
+  void dispose() {
+    _autoReconnect = false;
+    _reconnectTimer?.cancel();
+    _cleanup();
+    _dispatcher.dispose();
+    _connection.dispose();
+    _stateController.close();
+  }
+
+  // Внутрянка
+
+
+  void _setSessionState(SessionState state) {
+    if (_sessionState == state) return;
+    _sessionState = state;
+    _stateController.add(state);
+    logger.i('Сессия: ${state.name}');
+  }
+
+  void _onDataReceived(Uint8List data) {
+    for (final packet in _receiver.feed(data)) {
+      _dispatcher.dispatch(packet);
+    }
+  }
+
+  void _onDisconnected() {
+    _cleanup();
+    _setSessionState(SessionState.disconnected);
+    if (_autoReconnect) _scheduleReconnect();
+  }
+
+  void _cleanup() {
+    _pingTimer?.cancel();
+    _dataSubscription?.cancel();
+    _socketStateSubscription?.cancel();
+    _dataSubscription = null;
+    _socketStateSubscription = null;
+    _receiver.reset();
+    _dispatcher.clearPending();
+  }
+
+  void _startPinging() {
+    _pingTimer?.cancel();
+    _pingTimer = Timer.periodic(ServerConfig.pingInterval, (_) {
+      if (_connection.isConnected) {
+        _sender.send(_connection, Opcode.ping, {});
+      }
+    });
+  }
+
+  void _scheduleReconnect() {
+    if (_reconnectAttempts >= ServerConfig.maxReconnectAttempts) {
+      logger.e('Лимит попыток реконнекта');
+      return;
+    }
+
+    final delaySec = (2 * (1 << _reconnectAttempts)).clamp(2, 30);
+    _reconnectAttempts++;
+    logger.i('Реконнект через ${delaySec}с (попытка $_reconnectAttempts)');
+
+    _reconnectTimer?.cancel();
+    _reconnectTimer = Timer(Duration(seconds: delaySec), connect);
+  }
+}
diff --git a/lib/core/config/config.dart b/lib/core/config/config.dart
index e69de29..4ef18b3 100644
--- a/lib/core/config/config.dart
+++ b/lib/core/config/config.dart
@@ -0,0 +1,7 @@
+abstract class ServerConfig {
+  static const String host = 'api.oneme.ru';
+  static const int port = 443;
+  static const Duration pingInterval = Duration(seconds: 30);
+  static const Duration requestTimeout = Duration(seconds: 30);
+  static const int maxReconnectAttempts = 50;
+}
diff --git a/lib/core/config/countries.dart b/lib/core/config/countries.dart
new file mode 100644
index 0000000..1c65b81
--- /dev/null
+++ b/lib/core/config/countries.dart
@@ -0,0 +1,472 @@
+import 'dart:convert';
+
+class CountryName {
+  final String code; // ISO 3166-1 alpha-2, например "RU"
+  final String en;
+  final String ru;
+  final String phoneCode;   // Код страны для звонков, например "+7"
+  final int phoneDigits;    // Количество цифр номера после кода страны
+  final String phoneMask;   // Маска абонентского номера, например "(###) ###-##-##"
+  final List<int> phoneGroupSizes;        // Размеры групп цифр, например [3, 3, 2, 2]
+  final List<String> phoneGroupSeparators; // Разделители вокруг групп, например ["(", ") ", "-", "-", ""]
+
+  const CountryName({
+    required this.code,
+    required this.en,
+    required this.ru,
+    required this.phoneCode,
+    required this.phoneDigits,
+    required this.phoneMask,
+    required this.phoneGroupSizes,
+    required this.phoneGroupSeparators,
+  });
+}
+
+/// Полный список стран (195 государств) с названием на русском и английском.
+///
+/// Источник данных:
+/// https://github.com/stefangabos/world_countries
+final List<CountryName> allCountries = _buildCountries();
+
+/// Быстрый доступ по ISO-коду.
+final Map<String, CountryName> countriesByCode = {
+  for (final country in allCountries) country.code: country,
+};
+
+/// Пример использования:
+/// ```dart
+/// final country = exampleCountryLookup('RU');
+/// print(country?['ru']); // Россия
+/// print(country?['en']); // Russian Federation
+/// ```
+Map<String, String>? exampleCountryLookup(String code) {
+  final country = countriesByCode[code.toUpperCase()];
+  if (country == null) return null;
+
+  return {
+    'code': country.code,
+    'ru': country.ru,
+    'en': country.en,
+  };
+}
+
+List<CountryName> _buildCountries() {
+  final enList = (jsonDecode(_countriesEnJson) as List)
+      .cast<Map<String, dynamic>>();
+  final ruList = (jsonDecode(_countriesRuJson) as List)
+      .cast<Map<String, dynamic>>();
+
+  final ruByCode = <String, String>{
+    for (final item in ruList)
+      (item['alpha2'] as String).toUpperCase(): item['name'] as String,
+  };
+
+  final countries = enList.map((item) {
+    final code = (item['alpha2'] as String).toUpperCase();
+    final en = item['name'] as String;
+    final ru = ruByCode[code] ?? en;
+
+    final phoneCode = item['phoneCode'] as String;
+    final phoneDigits = item['phoneDigits'] as int;
+    final phoneMask = item['phoneMask'] as String;
+    final phoneGroupSizes = (item['phoneGroupSizes'] as List).cast<int>();
+    final phoneGroupSeparators = (item['phoneGroupSeparators'] as List).cast<String>();
+
+    return CountryName(code: code, en: en, ru: ru, phoneCode: phoneCode, phoneDigits: phoneDigits, phoneMask: phoneMask, phoneGroupSizes: phoneGroupSizes, phoneGroupSeparators: phoneGroupSeparators);
+  }).toList();
+
+  countries.sort((a, b) => a.en.compareTo(b.en));
+  return countries;
+}
+
+const String _countriesEnJson = '''[
+{"id": 4, "alpha2": "af", "alpha3": "afg", "name": "Afghanistan", "phoneCode": "+93", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 8, "alpha2": "al", "alpha3": "alb", "name": "Albania", "phoneCode": "+355", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 12, "alpha2": "dz", "alpha3": "dza", "name": "Algeria", "phoneCode": "+213", "phoneDigits": 9, "phoneMask": "### ## ## ##", "phoneGroupSizes": [3, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 20, "alpha2": "ad", "alpha3": "and", "name": "Andorra", "phoneCode": "+376", "phoneDigits": 6, "phoneMask": "######", "phoneGroupSizes": [6], "phoneGroupSeparators": ["", ""]}
+{"id": 24, "alpha2": "ao", "alpha3": "ago", "name": "Angola", "phoneCode": "+244", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 28, "alpha2": "ag", "alpha3": "atg", "name": "Antigua and Barbuda", "phoneCode": "+1268", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 32, "alpha2": "ar", "alpha3": "arg", "name": "Argentina", "phoneCode": "+54", "phoneDigits": 10, "phoneMask": "(##) ####-####", "phoneGroupSizes": [2, 4, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 51, "alpha2": "am", "alpha3": "arm", "name": "Armenia", "phoneCode": "+374", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 36, "alpha2": "au", "alpha3": "aus", "name": "Australia", "phoneCode": "+61", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 40, "alpha2": "at", "alpha3": "aut", "name": "Austria", "phoneCode": "+43", "phoneDigits": 10, "phoneMask": "### ######", "phoneGroupSizes": [3, 6], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 31, "alpha2": "az", "alpha3": "aze", "name": "Azerbaijan", "phoneCode": "+994", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 44, "alpha2": "bs", "alpha3": "bhs", "name": "Bahamas", "phoneCode": "+1242", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 48, "alpha2": "bh", "alpha3": "bhr", "name": "Bahrain", "phoneCode": "+973", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 50, "alpha2": "bd", "alpha3": "bgd", "name": "Bangladesh", "phoneCode": "+880", "phoneDigits": 10, "phoneMask": "####-######", "phoneGroupSizes": [4, 6], "phoneGroupSeparators": ["", "-", ""]}
+{"id": 52, "alpha2": "bb", "alpha3": "brb", "name": "Barbados", "phoneCode": "+1246", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 112, "alpha2": "by", "alpha3": "blr", "name": "Belarus", "phoneCode": "+375", "phoneDigits": 9, "phoneMask": "## ###-##-##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", "-", "-", ""]}
+{"id": 56, "alpha2": "be", "alpha3": "bel", "name": "Belgium", "phoneCode": "+32", "phoneDigits": 9, "phoneMask": "### ## ## ##", "phoneGroupSizes": [3, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 84, "alpha2": "bz", "alpha3": "blz", "name": "Belize", "phoneCode": "+501", "phoneDigits": 7, "phoneMask": "###-####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", "-", ""]}
+{"id": 204, "alpha2": "bj", "alpha3": "ben", "name": "Benin", "phoneCode": "+229", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 64, "alpha2": "bt", "alpha3": "btn", "name": "Bhutan", "phoneCode": "+975", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 68, "alpha2": "bo", "alpha3": "bol", "name": "Bolivia, Plurinational State of", "phoneCode": "+591", "phoneDigits": 8, "phoneMask": "########", "phoneGroupSizes": [8], "phoneGroupSeparators": ["", ""]}
+{"id": 70, "alpha2": "ba", "alpha3": "bih", "name": "Bosnia and Herzegovina", "phoneCode": "+387", "phoneDigits": 8, "phoneMask": "## ###-###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", "-", ""]}
+{"id": 72, "alpha2": "bw", "alpha3": "bwa", "name": "Botswana", "phoneCode": "+267", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 76, "alpha2": "br", "alpha3": "bra", "name": "Brazil", "phoneCode": "+55", "phoneDigits": 11, "phoneMask": "(##) #####-####", "phoneGroupSizes": [2, 5, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 96, "alpha2": "bn", "alpha3": "brn", "name": "Brunei Darussalam", "phoneCode": "+673", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 100, "alpha2": "bg", "alpha3": "bgr", "name": "Bulgaria", "phoneCode": "+359", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 854, "alpha2": "bf", "alpha3": "bfa", "name": "Burkina Faso", "phoneCode": "+226", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 108, "alpha2": "bi", "alpha3": "bdi", "name": "Burundi", "phoneCode": "+257", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 132, "alpha2": "cv", "alpha3": "cpv", "name": "Cabo Verde", "phoneCode": "+238", "phoneDigits": 7, "phoneMask": "### ## ##", "phoneGroupSizes": [3, 2, 2], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 116, "alpha2": "kh", "alpha3": "khm", "name": "Cambodia", "phoneCode": "+855", "phoneDigits": 9, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 120, "alpha2": "cm", "alpha3": "cmr", "name": "Cameroon", "phoneCode": "+237", "phoneDigits": 9, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
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+{"id": 566, "alpha2": "ng", "alpha3": "nga", "name": "Nigeria", "phoneCode": "+234", "phoneDigits": 10, "phoneMask": "### ### ####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 807, "alpha2": "mk", "alpha3": "mkd", "name": "North Macedonia", "phoneCode": "+389", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 578, "alpha2": "no", "alpha3": "nor", "name": "Norway", "phoneCode": "+47", "phoneDigits": 8, "phoneMask": "### ## ###", "phoneGroupSizes": [3, 2, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 512, "alpha2": "om", "alpha3": "omn", "name": "Oman", "phoneCode": "+968", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 586, "alpha2": "pk", "alpha3": "pak", "name": "Pakistan", "phoneCode": "+92", "phoneDigits": 10, "phoneMask": "### #######", "phoneGroupSizes": [3, 7], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 585, "alpha2": "pw", "alpha3": "plw", "name": "Palau", "phoneCode": "+680", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 591, "alpha2": "pa", "alpha3": "pan", "name": "Panama", "phoneCode": "+507", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 598, "alpha2": "pg", "alpha3": "png", "name": "Papua New Guinea", "phoneCode": "+675", "phoneDigits": 8, "phoneMask": "### ## ###", "phoneGroupSizes": [3, 2, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 600, "alpha2": "py", "alpha3": "pry", "name": "Paraguay", "phoneCode": "+595", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 604, "alpha2": "pe", "alpha3": "per", "name": "Peru", "phoneCode": "+51", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 608, "alpha2": "ph", "alpha3": "phl", "name": "Philippines", "phoneCode": "+63", "phoneDigits": 10, "phoneMask": "### ### ####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 616, "alpha2": "pl", "alpha3": "pol", "name": "Poland", "phoneCode": "+48", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 620, "alpha2": "pt", "alpha3": "prt", "name": "Portugal", "phoneCode": "+351", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 634, "alpha2": "qa", "alpha3": "qat", "name": "Qatar", "phoneCode": "+974", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 642, "alpha2": "ro", "alpha3": "rou", "name": "Romania", "phoneCode": "+40", "phoneDigits": 10, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 643, "alpha2": "ru", "alpha3": "rus", "name": "Russian Federation", "phoneCode": "+7", "phoneDigits": 10, "phoneMask": "(###) ###-##-##", "phoneGroupSizes": [3, 3, 2, 2], "phoneGroupSeparators": ["(", ") ", "-", "-", ""]}
+{"id": 646, "alpha2": "rw", "alpha3": "rwa", "name": "Rwanda", "phoneCode": "+250", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 659, "alpha2": "kn", "alpha3": "kna", "name": "Saint Kitts and Nevis", "phoneCode": "+1869", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 662, "alpha2": "lc", "alpha3": "lca", "name": "Saint Lucia", "phoneCode": "+1758", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 670, "alpha2": "vc", "alpha3": "vct", "name": "Saint Vincent and the Grenadines", "phoneCode": "+1784", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 882, "alpha2": "ws", "alpha3": "wsm", "name": "Samoa", "phoneCode": "+685", "phoneDigits": 7, "phoneMask": "## #####", "phoneGroupSizes": [2, 5], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 674, "alpha2": "sm", "alpha3": "smr", "name": "San Marino", "phoneCode": "+378", "phoneDigits": 10, "phoneMask": "## ## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", " ", ""]}
+{"id": 678, "alpha2": "st", "alpha3": "stp", "name": "Sao Tome and Principe", "phoneCode": "+239", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 682, "alpha2": "sa", "alpha3": "sau", "name": "Saudi Arabia", "phoneCode": "+966", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 686, "alpha2": "sn", "alpha3": "sen", "name": "Senegal", "phoneCode": "+221", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 688, "alpha2": "rs", "alpha3": "srb", "name": "Serbia", "phoneCode": "+381", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 690, "alpha2": "sc", "alpha3": "syc", "name": "Seychelles", "phoneCode": "+248", "phoneDigits": 7, "phoneMask": "# ### ###", "phoneGroupSizes": [1, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 694, "alpha2": "sl", "alpha3": "sle", "name": "Sierra Leone", "phoneCode": "+232", "phoneDigits": 8, "phoneMask": "## ######", "phoneGroupSizes": [2, 6], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 702, "alpha2": "sg", "alpha3": "sgp", "name": "Singapore", "phoneCode": "+65", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 703, "alpha2": "sk", "alpha3": "svk", "name": "Slovakia", "phoneCode": "+421", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 705, "alpha2": "si", "alpha3": "svn", "name": "Slovenia", "phoneCode": "+386", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 90, "alpha2": "sb", "alpha3": "slb", "name": "Solomon Islands", "phoneCode": "+677", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 706, "alpha2": "so", "alpha3": "som", "name": "Somalia", "phoneCode": "+252", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 710, "alpha2": "za", "alpha3": "zaf", "name": "South Africa", "phoneCode": "+27", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 728, "alpha2": "ss", "alpha3": "ssd", "name": "South Sudan", "phoneCode": "+211", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 724, "alpha2": "es", "alpha3": "esp", "name": "Spain", "phoneCode": "+34", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 144, "alpha2": "lk", "alpha3": "lka", "name": "Sri Lanka", "phoneCode": "+94", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 729, "alpha2": "sd", "alpha3": "sdn", "name": "Sudan", "phoneCode": "+249", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 740, "alpha2": "sr", "alpha3": "sur", "name": "Suriname", "phoneCode": "+597", "phoneDigits": 7, "phoneMask": "###-####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", "-", ""]}
+{"id": 752, "alpha2": "se", "alpha3": "swe", "name": "Sweden", "phoneCode": "+46", "phoneDigits": 9, "phoneMask": "##-### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", "-", " ", " ", ""]}
+{"id": 756, "alpha2": "ch", "alpha3": "che", "name": "Switzerland", "phoneCode": "+41", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 760, "alpha2": "sy", "alpha3": "syr", "name": "Syrian Arab Republic", "phoneCode": "+963", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 762, "alpha2": "tj", "alpha3": "tjk", "name": "Tajikistan", "phoneCode": "+992", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 834, "alpha2": "tz", "alpha3": "tza", "name": "Tanzania, United Republic of", "phoneCode": "+255", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 764, "alpha2": "th", "alpha3": "tha", "name": "Thailand", "phoneCode": "+66", "phoneDigits": 9, "phoneMask": "##-### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", "-", " ", ""]}
+{"id": 626, "alpha2": "tl", "alpha3": "tls", "name": "Timor-Leste", "phoneCode": "+670", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 768, "alpha2": "tg", "alpha3": "tgo", "name": "Togo", "phoneCode": "+228", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 776, "alpha2": "to", "alpha3": "ton", "name": "Tonga", "phoneCode": "+676", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 780, "alpha2": "tt", "alpha3": "tto", "name": "Trinidad and Tobago", "phoneCode": "+1868", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 788, "alpha2": "tn", "alpha3": "tun", "name": "Tunisia", "phoneCode": "+216", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 792, "alpha2": "tr", "alpha3": "tur", "name": "Türkiye", "phoneCode": "+90", "phoneDigits": 10, "phoneMask": "### ### ####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 795, "alpha2": "tm", "alpha3": "tkm", "name": "Turkmenistan", "phoneCode": "+993", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 798, "alpha2": "tv", "alpha3": "tuv", "name": "Tuvalu", "phoneCode": "+688", "phoneDigits": 6, "phoneMask": "######", "phoneGroupSizes": [6], "phoneGroupSeparators": ["", ""]}
+{"id": 800, "alpha2": "ug", "alpha3": "uga", "name": "Uganda", "phoneCode": "+256", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 804, "alpha2": "ua", "alpha3": "ukr", "name": "Ukraine", "phoneCode": "+380", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 784, "alpha2": "ae", "alpha3": "are", "name": "United Arab Emirates", "phoneCode": "+971", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 826, "alpha2": "gb", "alpha3": "gbr", "name": "United Kingdom of Great Britain and Northern Ireland", "phoneCode": "+44", "phoneDigits": 10, "phoneMask": "#### ######", "phoneGroupSizes": [4, 6], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 840, "alpha2": "us", "alpha3": "usa", "name": "United States of America", "phoneCode": "+1", "phoneDigits": 10, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 858, "alpha2": "uy", "alpha3": "ury", "name": "Uruguay", "phoneCode": "+598", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 860, "alpha2": "uz", "alpha3": "uzb", "name": "Uzbekistan", "phoneCode": "+998", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 548, "alpha2": "vu", "alpha3": "vut", "name": "Vanuatu", "phoneCode": "+678", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 862, "alpha2": "ve", "alpha3": "ven", "name": "Venezuela, Bolivarian Republic of", "phoneCode": "+58", "phoneDigits": 10, "phoneMask": "### ### ####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 704, "alpha2": "vn", "alpha3": "vnm", "name": "Viet Nam", "phoneCode": "+84", "phoneDigits": 10, "phoneMask": "## #### ####", "phoneGroupSizes": [2, 4, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 887, "alpha2": "ye", "alpha3": "yem", "name": "Yemen", "phoneCode": "+967", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 894, "alpha2": "zm", "alpha3": "zmb", "name": "Zambia", "phoneCode": "+260", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 716, "alpha2": "zw", "alpha3": "zwe", "name": "Zimbabwe", "phoneCode": "+263", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+]''';
+
+const String _countriesRuJson = '''[
+{"id": 36, "alpha2": "au", "alpha3": "aus", "name": "Австралия", "phoneCode": "+61", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 40, "alpha2": "at", "alpha3": "aut", "name": "Австрия", "phoneCode": "+43", "phoneDigits": 10, "phoneMask": "### ######", "phoneGroupSizes": [3, 6], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 31, "alpha2": "az", "alpha3": "aze", "name": "Азербайджан", "phoneCode": "+994", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 8, "alpha2": "al", "alpha3": "alb", "name": "Албания", "phoneCode": "+355", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 12, "alpha2": "dz", "alpha3": "dza", "name": "Алжир", "phoneCode": "+213", "phoneDigits": 9, "phoneMask": "### ## ## ##", "phoneGroupSizes": [3, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 24, "alpha2": "ao", "alpha3": "ago", "name": "Ангола", "phoneCode": "+244", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 20, "alpha2": "ad", "alpha3": "and", "name": "Андорра", "phoneCode": "+376", "phoneDigits": 6, "phoneMask": "######", "phoneGroupSizes": [6], "phoneGroupSeparators": ["", ""]}
+{"id": 28, "alpha2": "ag", "alpha3": "atg", "name": "Антигуа и Барбуда", "phoneCode": "+1268", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 32, "alpha2": "ar", "alpha3": "arg", "name": "Аргентина", "phoneCode": "+54", "phoneDigits": 10, "phoneMask": "(##) ####-####", "phoneGroupSizes": [2, 4, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 51, "alpha2": "am", "alpha3": "arm", "name": "Армения", "phoneCode": "+374", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 4, "alpha2": "af", "alpha3": "afg", "name": "Афганистан", "phoneCode": "+93", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 44, "alpha2": "bs", "alpha3": "bhs", "name": "Багамские Острова", "phoneCode": "+1242", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 50, "alpha2": "bd", "alpha3": "bgd", "name": "Бангладеш", "phoneCode": "+880", "phoneDigits": 10, "phoneMask": "####-######", "phoneGroupSizes": [4, 6], "phoneGroupSeparators": ["", "-", ""]}
+{"id": 52, "alpha2": "bb", "alpha3": "brb", "name": "Барбадос", "phoneCode": "+1246", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 48, "alpha2": "bh", "alpha3": "bhr", "name": "Бахрейн", "phoneCode": "+973", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 84, "alpha2": "bz", "alpha3": "blz", "name": "Белиз", "phoneCode": "+501", "phoneDigits": 7, "phoneMask": "###-####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", "-", ""]}
+{"id": 112, "alpha2": "by", "alpha3": "blr", "name": "Беларусь", "phoneCode": "+375", "phoneDigits": 9, "phoneMask": "## ###-##-##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", "-", "-", ""]}
+{"id": 56, "alpha2": "be", "alpha3": "bel", "name": "Бельгия", "phoneCode": "+32", "phoneDigits": 9, "phoneMask": "### ## ## ##", "phoneGroupSizes": [3, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 204, "alpha2": "bj", "alpha3": "ben", "name": "Бенин", "phoneCode": "+229", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 100, "alpha2": "bg", "alpha3": "bgr", "name": "Болгария", "phoneCode": "+359", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 68, "alpha2": "bo", "alpha3": "bol", "name": "Боливия", "phoneCode": "+591", "phoneDigits": 8, "phoneMask": "########", "phoneGroupSizes": [8], "phoneGroupSeparators": ["", ""]}
+{"id": 70, "alpha2": "ba", "alpha3": "bih", "name": "Босния и Герцеговина", "phoneCode": "+387", "phoneDigits": 8, "phoneMask": "## ###-###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", "-", ""]}
+{"id": 72, "alpha2": "bw", "alpha3": "bwa", "name": "Ботсвана", "phoneCode": "+267", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 76, "alpha2": "br", "alpha3": "bra", "name": "Бразилия", "phoneCode": "+55", "phoneDigits": 11, "phoneMask": "(##) #####-####", "phoneGroupSizes": [2, 5, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 96, "alpha2": "bn", "alpha3": "brn", "name": "Бруней", "phoneCode": "+673", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 854, "alpha2": "bf", "alpha3": "bfa", "name": "Буркина-Фасо", "phoneCode": "+226", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 108, "alpha2": "bi", "alpha3": "bdi", "name": "Бурунди", "phoneCode": "+257", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 64, "alpha2": "bt", "alpha3": "btn", "name": "Бутан", "phoneCode": "+975", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 548, "alpha2": "vu", "alpha3": "vut", "name": "Вануату", "phoneCode": "+678", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 826, "alpha2": "gb", "alpha3": "gbr", "name": "Великобритания", "phoneCode": "+44", "phoneDigits": 10, "phoneMask": "#### ######", "phoneGroupSizes": [4, 6], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 348, "alpha2": "hu", "alpha3": "hun", "name": "Венгрия", "phoneCode": "+36", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
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+{"id": 591, "alpha2": "pa", "alpha3": "pan", "name": "Панама", "phoneCode": "+507", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 598, "alpha2": "pg", "alpha3": "png", "name": "Папуа — Новая Гвинея", "phoneCode": "+675", "phoneDigits": 8, "phoneMask": "### ## ###", "phoneGroupSizes": [3, 2, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 600, "alpha2": "py", "alpha3": "pry", "name": "Парагвай", "phoneCode": "+595", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 604, "alpha2": "pe", "alpha3": "per", "name": "Перу", "phoneCode": "+51", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 616, "alpha2": "pl", "alpha3": "pol", "name": "Польша", "phoneCode": "+48", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 620, "alpha2": "pt", "alpha3": "prt", "name": "Португалия", "phoneCode": "+351", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 178, "alpha2": "cg", "alpha3": "cog", "name": "Республика Конго", "phoneCode": "+242", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 410, "alpha2": "kr", "alpha3": "kor", "name": "Республика Корея", "phoneCode": "+82", "phoneDigits": 10, "phoneMask": "##-####-####", "phoneGroupSizes": [2, 4, 4], "phoneGroupSeparators": ["", "-", "-", ""]}
+{"id": 643, "alpha2": "ru", "alpha3": "rus", "name": "Россия", "phoneCode": "+7", "phoneDigits": 10, "phoneMask": "(###) ###-##-##", "phoneGroupSizes": [3, 3, 2, 2], "phoneGroupSeparators": ["(", ") ", "-", "-", ""]}
+{"id": 646, "alpha2": "rw", "alpha3": "rwa", "name": "Руанда", "phoneCode": "+250", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 642, "alpha2": "ro", "alpha3": "rou", "name": "Румыния", "phoneCode": "+40", "phoneDigits": 10, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 222, "alpha2": "sv", "alpha3": "slv", "name": "Сальвадор", "phoneCode": "+503", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 882, "alpha2": "ws", "alpha3": "wsm", "name": "Самоа", "phoneCode": "+685", "phoneDigits": 7, "phoneMask": "## #####", "phoneGroupSizes": [2, 5], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 674, "alpha2": "sm", "alpha3": "smr", "name": "Сан-Марино", "phoneCode": "+378", "phoneDigits": 10, "phoneMask": "## ## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", " ", ""]}
+{"id": 678, "alpha2": "st", "alpha3": "stp", "name": "Сан-Томе и Принсипи", "phoneCode": "+239", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 682, "alpha2": "sa", "alpha3": "sau", "name": "Саудовская Аравия", "phoneCode": "+966", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 690, "alpha2": "sc", "alpha3": "syc", "name": "Сейшельские Острова", "phoneCode": "+248", "phoneDigits": 7, "phoneMask": "# ### ###", "phoneGroupSizes": [1, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 686, "alpha2": "sn", "alpha3": "sen", "name": "Сенегал", "phoneCode": "+221", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 670, "alpha2": "vc", "alpha3": "vct", "name": "Сент-Винсент и Гренадины", "phoneCode": "+1784", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 659, "alpha2": "kn", "alpha3": "kna", "name": "Сент-Китс и Невис", "phoneCode": "+1869", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 662, "alpha2": "lc", "alpha3": "lca", "name": "Сент-Люсия", "phoneCode": "+1758", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 688, "alpha2": "rs", "alpha3": "srb", "name": "Сербия", "phoneCode": "+381", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 702, "alpha2": "sg", "alpha3": "sgp", "name": "Сингапур", "phoneCode": "+65", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 760, "alpha2": "sy", "alpha3": "syr", "name": "Сирия", "phoneCode": "+963", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 703, "alpha2": "sk", "alpha3": "svk", "name": "Словакия", "phoneCode": "+421", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 705, "alpha2": "si", "alpha3": "svn", "name": "Словения", "phoneCode": "+386", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 90, "alpha2": "sb", "alpha3": "slb", "name": "Соломоновы Острова", "phoneCode": "+677", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 706, "alpha2": "so", "alpha3": "som", "name": "Сомали", "phoneCode": "+252", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 729, "alpha2": "sd", "alpha3": "sdn", "name": "Судан", "phoneCode": "+249", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 740, "alpha2": "sr", "alpha3": "sur", "name": "Суринам", "phoneCode": "+597", "phoneDigits": 7, "phoneMask": "###-####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", "-", ""]}
+{"id": 840, "alpha2": "us", "alpha3": "usa", "name": "США", "phoneCode": "+1", "phoneDigits": 10, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 694, "alpha2": "sl", "alpha3": "sle", "name": "Сьерра-Леоне", "phoneCode": "+232", "phoneDigits": 8, "phoneMask": "## ######", "phoneGroupSizes": [2, 6], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 762, "alpha2": "tj", "alpha3": "tjk", "name": "Таджикистан", "phoneCode": "+992", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 764, "alpha2": "th", "alpha3": "tha", "name": "Таиланд", "phoneCode": "+66", "phoneDigits": 9, "phoneMask": "##-### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", "-", " ", ""]}
+{"id": 834, "alpha2": "tz", "alpha3": "tza", "name": "Танзания", "phoneCode": "+255", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 768, "alpha2": "tg", "alpha3": "tgo", "name": "Того", "phoneCode": "+228", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 776, "alpha2": "to", "alpha3": "ton", "name": "Тонга", "phoneCode": "+676", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 780, "alpha2": "tt", "alpha3": "tto", "name": "Тринидад и Тобаго", "phoneCode": "+1868", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 798, "alpha2": "tv", "alpha3": "tuv", "name": "Тувалу", "phoneCode": "+688", "phoneDigits": 6, "phoneMask": "######", "phoneGroupSizes": [6], "phoneGroupSeparators": ["", ""]}
+{"id": 788, "alpha2": "tn", "alpha3": "tun", "name": "Тунис", "phoneCode": "+216", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 795, "alpha2": "tm", "alpha3": "tkm", "name": "Туркменистан", "phoneCode": "+993", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 792, "alpha2": "tr", "alpha3": "tur", "name": "Турция", "phoneCode": "+90", "phoneDigits": 10, "phoneMask": "### ### ####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 800, "alpha2": "ug", "alpha3": "uga", "name": "Уганда", "phoneCode": "+256", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 860, "alpha2": "uz", "alpha3": "uzb", "name": "Узбекистан", "phoneCode": "+998", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 804, "alpha2": "ua", "alpha3": "ukr", "name": "Украина", "phoneCode": "+380", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 858, "alpha2": "uy", "alpha3": "ury", "name": "Уругвай", "phoneCode": "+598", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 242, "alpha2": "fj", "alpha3": "fji", "name": "Фиджи", "phoneCode": "+679", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 608, "alpha2": "ph", "alpha3": "phl", "name": "Филиппины", "phoneCode": "+63", "phoneDigits": 10, "phoneMask": "### ### ####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 246, "alpha2": "fi", "alpha3": "fin", "name": "Финляндия", "phoneCode": "+358", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 250, "alpha2": "fr", "alpha3": "fra", "name": "Франция", "phoneCode": "+33", "phoneDigits": 9, "phoneMask": "# ## ## ## ##", "phoneGroupSizes": [1, 2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", " ", ""]}
+{"id": 191, "alpha2": "hr", "alpha3": "hrv", "name": "Хорватия", "phoneCode": "+385", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 140, "alpha2": "cf", "alpha3": "caf", "name": "ЦАР", "phoneCode": "+236", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 148, "alpha2": "td", "alpha3": "tcd", "name": "Чад", "phoneCode": "+235", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 499, "alpha2": "me", "alpha3": "mne", "name": "Черногория", "phoneCode": "+382", "phoneDigits": 8, "phoneMask": "## ### ###", "phoneGroupSizes": [2, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 203, "alpha2": "cz", "alpha3": "cze", "name": "Чехия", "phoneCode": "+420", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 152, "alpha2": "cl", "alpha3": "chl", "name": "Чили", "phoneCode": "+56", "phoneDigits": 9, "phoneMask": "# #### ####", "phoneGroupSizes": [1, 4, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 756, "alpha2": "ch", "alpha3": "che", "name": "Швейцария", "phoneCode": "+41", "phoneDigits": 9, "phoneMask": "## ### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 752, "alpha2": "se", "alpha3": "swe", "name": "Швеция", "phoneCode": "+46", "phoneDigits": 9, "phoneMask": "##-### ## ##", "phoneGroupSizes": [2, 3, 2, 2], "phoneGroupSeparators": ["", "-", " ", " ", ""]}
+{"id": 144, "alpha2": "lk", "alpha3": "lka", "name": "Шри-Ланка", "phoneCode": "+94", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 218, "alpha2": "ec", "alpha3": "ecu", "name": "Эквадор", "phoneCode": "+593", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 226, "alpha2": "gq", "alpha3": "gnq", "name": "Экваториальная Гвинея", "phoneCode": "+240", "phoneDigits": 9, "phoneMask": "### ## ## ##", "phoneGroupSizes": [3, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 232, "alpha2": "er", "alpha3": "eri", "name": "Эритрея", "phoneCode": "+291", "phoneDigits": 7, "phoneMask": "### ####", "phoneGroupSizes": [3, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 748, "alpha2": "sz", "alpha3": "swz", "name": "Эсватини", "phoneCode": "+268", "phoneDigits": 8, "phoneMask": "## ## ## ##", "phoneGroupSizes": [2, 2, 2, 2], "phoneGroupSeparators": ["", " ", " ", " ", ""]}
+{"id": 233, "alpha2": "ee", "alpha3": "est", "name": "Эстония", "phoneCode": "+372", "phoneDigits": 8, "phoneMask": "#### ####", "phoneGroupSizes": [4, 4], "phoneGroupSeparators": ["", " ", ""]}
+{"id": 231, "alpha2": "et", "alpha3": "eth", "name": "Эфиопия", "phoneCode": "+251", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 710, "alpha2": "za", "alpha3": "zaf", "name": "ЮАР", "phoneCode": "+27", "phoneDigits": 9, "phoneMask": "## ### ####", "phoneGroupSizes": [2, 3, 4], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 728, "alpha2": "ss", "alpha3": "ssd", "name": "Южный Судан", "phoneCode": "+211", "phoneDigits": 9, "phoneMask": "### ### ###", "phoneGroupSizes": [3, 3, 3], "phoneGroupSeparators": ["", " ", " ", ""]}
+{"id": 388, "alpha2": "jm", "alpha3": "jam", "name": "Ямайка", "phoneCode": "+1876", "phoneDigits": 7, "phoneMask": "(###) ###-####", "phoneGroupSizes": [3, 3, 4], "phoneGroupSeparators": ["(", ") ", "-", ""]}
+{"id": 392, "alpha2": "jp", "alpha3": "jpn", "name": "Япония", "phoneCode": "+81", "phoneDigits": 10, "phoneMask": "##-####-####", "phoneGroupSizes": [2, 4, 4], "phoneGroupSeparators": ["", "-", "-", ""]}
+]''';
diff --git a/lib/core/protocol/opcode_map.dart b/lib/core/protocol/opcode_map.dart
index e69de29..75cc983 100644
--- a/lib/core/protocol/opcode_map.dart
+++ b/lib/core/protocol/opcode_map.dart
@@ -0,0 +1,356 @@
+/// All protocol operation codes.
+///
+/// Naming follows the server-side convention.
+/// Use [Opcode.name] to get a human-readable label for logging.
+/// 
+/// файл писла нейронка (я че ебанутый чтоль чтобы вручную хуярить опкоды и их значения)
+abstract class Opcode {
+  // ── Session ────────────────────────────────────────────────────────
+  static const int ping = 1; // Пинг
+  static const int debug = 2; // Отладка / понг
+  static const int reconnect = 3; // Реконнект
+  static const int log = 5; // Аналитика / события
+  static const int sessionInit = 6; // Инициализация сессии (хэндшейк)
+
+  // ── Profile ────────────────────────────────────────────────────────
+  static const int profile = 16; // Обновление профиля
+
+  // ── Auth ───────────────────────────────────────────────────────────
+  static const int authRequest = 17; // Запрос OTP-кода
+  static const int auth = 18; // Проверка OTP-кода
+  static const int login = 19; // Вход (загрузка чатов/контактов)
+  static const int logout = 20; // Выход из аккаунта
+  static const int sync = 21; // Синхронизация данных
+  static const int config = 22; // Настройки приватности / конфиг
+  static const int authConfirm = 23; // Завершение регистрации
+
+  // ── Auth 2FA ───────────────────────────────────────────────────────
+  static const int authLoginRestorePassword = 101; // Восстановление пароля
+  static const int auth2faDetails = 104; // Детали 2FA
+  static const int externalCallback = 105; // Внешний коллбэк
+  static const int authValidatePassword = 107; // Валидация пароля
+  static const int authValidateHint = 108; // Валидация подсказки пароля
+  static const int authVerifyEmail = 109; // Верификация email
+  static const int authCheckEmail = 110; // Проверка email
+  static const int authSet2fa = 111; // Установка 2FA
+  static const int authCreateTrack = 112; // Создание трека авторизации
+  static const int authCheckPassword = 113; // Проверка пароля при регистрации
+  static const int authLoginCheckPassword = 115; // Проверка пароля при входе
+  static const int authLoginProfileDelete = 116; // Удаление профиля при входе
+
+  // ── Assets (стикеры) ───────────────────────────────────────────────
+  static const int presetAvatars = 25; // Пресетные аватарки
+  static const int assetsGet = 26; // Получение стикерпаков
+  static const int assetsUpdate = 27; // Синхронизация стикеров
+  static const int assetsGetByIds = 28; // Стикерпаки по ID
+  static const int assetsAdd = 29; // Добавление стикерпака
+  static const int assetsRemove = 259; // Удаление стикерпака
+  static const int assetsMove = 260; // Перемещение стикерпака
+  static const int assetsListModify = 261; // Изменение списка стикерпаков
+
+  // ── Contacts ───────────────────────────────────────────────────────
+  static const int contactInfo = 32; // Информация о контакте
+  static const int contactAdd = 33; // Добавление контакта
+  static const int contactUpdate = 34; // Обновление контакта (блок и т.д.)
+  static const int contactPresence = 35; // Запрос присутствия по ID
+  static const int contactList = 36; // Список заблокированных
+  static const int contactSearch = 37; // Поиск контакта
+  static const int contactMutual = 38; // Общие контакты
+  static const int contactPhotos = 39; // Фото контакта
+  static const int contactSort = 40; // Сортировка контактов
+  static const int contactVerify = 42; // Верификация контакта
+  static const int removeContactPhoto = 43; // Удаление фото контакта
+  static const int contactInfoByPhone = 46; // Поиск контакта по номеру
+
+  // ── Chats ──────────────────────────────────────────────────────────
+  static const int chatInfo = 48; // Информация о чате / создание группы
+  static const int chatHistory = 49; // История сообщений
+  static const int chatMark = 50; // Отметка прочитанным
+  static const int chatMedia = 51; // Медиа чата
+  static const int chatDelete = 52; // Удаление чата
+  static const int chatsList = 53; // Список чатов
+  static const int chatClear = 54; // Очистка истории чата
+  static const int chatUpdate = 55; // Обновление настроек чата
+  static const int chatCheckLink = 56; // Проверка ссылки чата
+  static const int chatJoin = 57; // Вступление в группу / канал
+  static const int chatLeave = 58; // Выход из чата
+  static const int chatMembers = 59; // Участники группы
+  static const int publicSearch = 60; // Глобальный поиск
+  static const int chatPersonalConfig = 61; // Персональные настройки чата
+  static const int chatCreate = 63; // Создание чата
+
+  // ── Messages ───────────────────────────────────────────────────────
+  static const int msgSend = 64; // Отправка сообщения
+  static const int msgTyping = 65; // Индикатор набора текста
+  static const int msgDelete = 66; // Удаление сообщения
+  static const int msgEdit = 67; // Редактирование сообщения
+  static const int chatSearch = 68; // Поиск по чату
+  static const int msgSharePreview = 70; // Превью ссылки
+  static const int msgGet = 71; // Получение сообщения по ID
+  static const int msgSearchTouch = 72; // Точечный поиск сообщений
+  static const int msgSearch = 73; // Поиск сообщений
+  static const int msgGetStat = 74; // Статистика сообщения
+  static const int chatSubscribe = 75; // Подписка на обновления чата
+  static const int msgDeleteRange = 92; // Удаление диапазона сообщений
+
+  // ── Reactions ──────────────────────────────────────────────────────
+  static const int msgReaction = 178; // Отправка реакции
+  static const int msgCancelReaction = 179; // Отмена реакции
+  static const int msgGetReactions = 180; // Получение реакций
+  static const int msgGetDetailedReactions = 181; // Детальные реакции
+  static const int chatReactionsSettingsSet = 257; // Установка настроек реакций
+  static const int reactionsSettingsGetByChatId = 258; // Настройки реакций чата
+
+  // ── Calls & Video ──────────────────────────────────────────────────
+  static const int videoChatStart = 76; // Начало видеочата
+  static const int chatMembersUpdate = 77; // Обновление участников / добавление
+  static const int videoChatStartActive = 78; // Инициация активного звонка
+  static const int videoChatHistory = 79; // История звонков
+  static const int videoChatCreateJoinLink = 84; // Ссылка для входа в видеочат
+  static const int videoChatMembers = 195; // Участники видеочата
+  static const int getInboundCalls = 103; // Входящие звонки
+
+  // ── Media & Files ──────────────────────────────────────────────────
+  static const int photoUpload = 80; // Загрузка фото
+  static const int stickerUpload = 81; // Загрузка стикера
+  static const int videoUpload = 82; // Загрузка видео
+  static const int videoPlay = 83; // URL видео
+  static const int chatPinSetVisibility = 86; // Видимость закрепов
+  static const int fileUpload = 87; // Загрузка файла
+  static const int fileDownload = 88; // Скачивание файла
+  static const int linkInfo = 89; // Информация по ссылке / вход в канал
+  static const int audioPlay = 301; // Воспроизведение аудио
+
+  // ── Sessions ───────────────────────────────────────────────────────
+  static const int sessionsInfo = 96; // Запрос активных сессий
+  static const int sessionsClose = 97; // Закрытие всех сессий
+  static const int phoneBind_request = 98; // Запрос привязки телефона
+  static const int phoneBindConfirm = 99; // Подтверждение привязки телефона
+
+  // ── Bots ───────────────────────────────────────────────────────────
+  static const int chatComplain = 117; // Жалоба на чат
+  static const int msgSendCallback = 118; // Коллбэк бота
+  static const int suspendBot = 119; // Приостановка бота
+  static const int chatBotCommands = 144; // Команды бота
+  static const int botInfo = 145; // Информация о боте
+
+  // ── Location ───────────────────────────────────────────────────────
+  static const int locationStop = 124; // Остановка трансляции геолокации
+
+  // ── Mentions ───────────────────────────────────────────────────────
+  static const int getLastMentions = 127; // Последние упоминания
+
+  // ── Stickers (creation) ────────────────────────────────────────────
+  static const int stickerCreate = 193; // Создание стикера
+  static const int stickerSuggest = 194; // Предложение стикера
+
+  // ── Notifications (push от сервера) ────────────────────────────────
+  static const int notifMessage = 128; // Новое сообщение
+  static const int notifTyping = 129; // Индикатор набора
+  static const int notifMark = 130; // Прочитано
+  static const int notifContact = 131; // Обновление контакта
+  static const int notifPresence = 132; // Статус онлайн
+  static const int notifConfig = 134; // Обновление конфига
+  static const int notifChat = 135; // Обновление чата
+  static const int notifAttach = 136; // Загрузка файла завершена
+  static const int notifCallStart = 137; // Входящий звонок
+  static const int notifContactSort = 139; // Пересортировка контактов
+  static const int notifMsgDeleteRange = 140; // Удаление диапазона
+  static const int notifMsgDelete = 142; // Удаление сообщения
+  static const int notifCallbackAnswer = 143; // Ответ бота
+  static const int notifLocation = 147; // Обновление геолокации
+  static const int notifLocationRequest = 148; // Запрос геолокации
+  static const int notifAssetsUpdate = 150; // Обновление стикеров
+  static const int notifDraft = 152; // Черновик
+  static const int notifDraftDiscard = 153; // Сброс черновика
+  static const int notifMsgDelayed = 154; // Отложенное сообщение
+  static const int notifMsgReactionsChanged = 155; // Изменение реакций
+  static const int notifMsgYouReacted = 156; // Ваша реакция
+  static const int notifProfile = 159; // Обновление профиля
+  static const int notifBanners = 292; // Баннеры
+  static const int notifFolders = 277; // Обновление папок
+
+  // ── Misc ───────────────────────────────────────────────────────────
+  static const int okToken = 158; // OK-токен
+  static const int webAppInitData = 160; // Данные WebApp
+  static const int complain = 161; // Жалоба
+  static const int complainReasonsGet = 162; // Причины жалобы
+  static const int draftSave = 176; // Сохранение черновика
+  static const int draftDiscard = 177; // Удаление черновика
+  static const int chatHide = 196; // Скрытие чата
+  static const int chatSearchCommonParticipants = 198; // Общие участники
+  static const int profileDelete = 199; // Удаление профиля
+  static const int profileDeleteTime = 200; // Таймер удаления профиля
+  static const int authQrApprove = 290; // Подтверждение QR-входа
+  static const int chatSuggest = 300; // Предложения чатов
+
+  // ── Polls ──────────────────────────────────────────────────────────
+  static const int sendVote = 304; // Голосование
+  static const int votersListByAnswer = 305; // Список голосовавших
+  static const int getPollUpdates = 306; // Обновления опроса
+
+  // ── Folders ────────────────────────────────────────────────────────
+  static const int foldersGet = 272; // Получение папок
+  static const int foldersGetById = 273; // Папка по ID
+  static const int foldersUpdate = 274; // Обновление / создание папки
+  static const int foldersReorder = 275; // Сортировка папок
+  static const int foldersDelete = 276; // Удаление папки
+
+  // ── Human-readable names ───────────────────────────────────────────
+
+  static String name(int opcode) => _names[opcode] ?? 'UNKNOWN($opcode)';
+
+  static const Map<int, String> _names = {
+    ping: 'PING',
+    debug: 'DEBUG',
+    reconnect: 'RECONNECT',
+    log: 'LOG',
+    sessionInit: 'SESSION_INIT',
+    profile: 'PROFILE',
+    authRequest: 'AUTH_REQUEST',
+    auth: 'AUTH',
+    login: 'LOGIN',
+    logout: 'LOGOUT',
+    sync: 'SYNC',
+    config: 'CONFIG',
+    authConfirm: 'AUTH_CONFIRM',
+    authLoginRestorePassword: 'AUTH_LOGIN_RESTORE_PASSWORD',
+    auth2faDetails: 'AUTH_2FA_DETAILS',
+    externalCallback: 'EXTERNAL_CALLBACK',
+    authValidatePassword: 'AUTH_VALIDATE_PASSWORD',
+    authValidateHint: 'AUTH_VALIDATE_HINT',
+    authVerifyEmail: 'AUTH_VERIFY_EMAIL',
+    authCheckEmail: 'AUTH_CHECK_EMAIL',
+    authSet2fa: 'AUTH_SET_2FA',
+    authCreateTrack: 'AUTH_CREATE_TRACK',
+    authCheckPassword: 'AUTH_CHECK_PASSWORD',
+    authLoginCheckPassword: 'AUTH_LOGIN_CHECK_PASSWORD',
+    authLoginProfileDelete: 'AUTH_LOGIN_PROFILE_DELETE',
+    presetAvatars: 'PRESET_AVATARS',
+    assetsGet: 'ASSETS_GET',
+    assetsUpdate: 'ASSETS_UPDATE',
+    assetsGetByIds: 'ASSETS_GET_BY_IDS',
+    assetsAdd: 'ASSETS_ADD',
+    assetsRemove: 'ASSETS_REMOVE',
+    assetsMove: 'ASSETS_MOVE',
+    assetsListModify: 'ASSETS_LIST_MODIFY',
+    contactInfo: 'CONTACT_INFO',
+    contactAdd: 'CONTACT_ADD',
+    contactUpdate: 'CONTACT_UPDATE',
+    contactPresence: 'CONTACT_PRESENCE',
+    contactList: 'CONTACT_LIST',
+    contactSearch: 'CONTACT_SEARCH',
+    contactMutual: 'CONTACT_MUTUAL',
+    contactPhotos: 'CONTACT_PHOTOS',
+    contactSort: 'CONTACT_SORT',
+    contactVerify: 'CONTACT_VERIFY',
+    removeContactPhoto: 'REMOVE_CONTACT_PHOTO',
+    contactInfoByPhone: 'CONTACT_INFO_BY_PHONE',
+    chatInfo: 'CHAT_INFO',
+    chatHistory: 'CHAT_HISTORY',
+    chatMark: 'CHAT_MARK',
+    chatMedia: 'CHAT_MEDIA',
+    chatDelete: 'CHAT_DELETE',
+    chatsList: 'CHATS_LIST',
+    chatClear: 'CHAT_CLEAR',
+    chatUpdate: 'CHAT_UPDATE',
+    chatCheckLink: 'CHAT_CHECK_LINK',
+    chatJoin: 'CHAT_JOIN',
+    chatLeave: 'CHAT_LEAVE',
+    chatMembers: 'CHAT_MEMBERS',
+    publicSearch: 'PUBLIC_SEARCH',
+    chatPersonalConfig: 'CHAT_PERSONAL_CONFIG',
+    chatCreate: 'CHAT_CREATE',
+    msgSend: 'MSG_SEND',
+    msgTyping: 'MSG_TYPING',
+    msgDelete: 'MSG_DELETE',
+    msgEdit: 'MSG_EDIT',
+    chatSearch: 'CHAT_SEARCH',
+    msgSharePreview: 'MSG_SHARE_PREVIEW',
+    msgGet: 'MSG_GET',
+    msgSearchTouch: 'MSG_SEARCH_TOUCH',
+    msgSearch: 'MSG_SEARCH',
+    msgGetStat: 'MSG_GET_STAT',
+    chatSubscribe: 'CHAT_SUBSCRIBE',
+    msgDeleteRange: 'MSG_DELETE_RANGE',
+    msgReaction: 'MSG_REACTION',
+    msgCancelReaction: 'MSG_CANCEL_REACTION',
+    msgGetReactions: 'MSG_GET_REACTIONS',
+    msgGetDetailedReactions: 'MSG_GET_DETAILED_REACTIONS',
+    chatReactionsSettingsSet: 'CHAT_REACTIONS_SETTINGS_SET',
+    reactionsSettingsGetByChatId: 'REACTIONS_SETTINGS_GET_BY_CHAT_ID',
+    videoChatStart: 'VIDEO_CHAT_START',
+    chatMembersUpdate: 'CHAT_MEMBERS_UPDATE',
+    videoChatStartActive: 'VIDEO_CHAT_START_ACTIVE',
+    videoChatHistory: 'VIDEO_CHAT_HISTORY',
+    videoChatCreateJoinLink: 'VIDEO_CHAT_CREATE_JOIN_LINK',
+    videoChatMembers: 'VIDEO_CHAT_MEMBERS',
+    getInboundCalls: 'GET_INBOUND_CALLS',
+    photoUpload: 'PHOTO_UPLOAD',
+    stickerUpload: 'STICKER_UPLOAD',
+    videoUpload: 'VIDEO_UPLOAD',
+    videoPlay: 'VIDEO_PLAY',
+    chatPinSetVisibility: 'CHAT_PIN_SET_VISIBILITY',
+    fileUpload: 'FILE_UPLOAD',
+    fileDownload: 'FILE_DOWNLOAD',
+    linkInfo: 'LINK_INFO',
+    audioPlay: 'AUDIO_PLAY',
+    sessionsInfo: 'SESSIONS_INFO',
+    sessionsClose: 'SESSIONS_CLOSE',
+    phoneBind_request: 'PHONE_BIND_REQUEST',
+    phoneBindConfirm: 'PHONE_BIND_CONFIRM',
+    chatComplain: 'CHAT_COMPLAIN',
+    msgSendCallback: 'MSG_SEND_CALLBACK',
+    suspendBot: 'SUSPEND_BOT',
+    chatBotCommands: 'CHAT_BOT_COMMANDS',
+    botInfo: 'BOT_INFO',
+    locationStop: 'LOCATION_STOP',
+    getLastMentions: 'GET_LAST_MENTIONS',
+    stickerCreate: 'STICKER_CREATE',
+    stickerSuggest: 'STICKER_SUGGEST',
+    notifMessage: 'NOTIF_MESSAGE',
+    notifTyping: 'NOTIF_TYPING',
+    notifMark: 'NOTIF_MARK',
+    notifContact: 'NOTIF_CONTACT',
+    notifPresence: 'NOTIF_PRESENCE',
+    notifConfig: 'NOTIF_CONFIG',
+    notifChat: 'NOTIF_CHAT',
+    notifAttach: 'NOTIF_ATTACH',
+    notifCallStart: 'NOTIF_CALL_START',
+    notifContactSort: 'NOTIF_CONTACT_SORT',
+    notifMsgDeleteRange: 'NOTIF_MSG_DELETE_RANGE',
+    notifMsgDelete: 'NOTIF_MSG_DELETE',
+    notifCallbackAnswer: 'NOTIF_CALLBACK_ANSWER',
+    notifLocation: 'NOTIF_LOCATION',
+    notifLocationRequest: 'NOTIF_LOCATION_REQUEST',
+    notifAssetsUpdate: 'NOTIF_ASSETS_UPDATE',
+    notifDraft: 'NOTIF_DRAFT',
+    notifDraftDiscard: 'NOTIF_DRAFT_DISCARD',
+    notifMsgDelayed: 'NOTIF_MSG_DELAYED',
+    notifMsgReactionsChanged: 'NOTIF_MSG_REACTIONS_CHANGED',
+    notifMsgYouReacted: 'NOTIF_MSG_YOU_REACTED',
+    notifProfile: 'NOTIF_PROFILE',
+    notifBanners: 'NOTIF_BANNERS',
+    notifFolders: 'NOTIF_FOLDERS',
+    okToken: 'OK_TOKEN',
+    webAppInitData: 'WEB_APP_INIT_DATA',
+    complain: 'COMPLAIN',
+    complainReasonsGet: 'COMPLAIN_REASONS_GET',
+    draftSave: 'DRAFT_SAVE',
+    draftDiscard: 'DRAFT_DISCARD',
+    chatHide: 'CHAT_HIDE',
+    chatSearchCommonParticipants: 'CHAT_SEARCH_COMMON_PARTICIPANTS',
+    profileDelete: 'PROFILE_DELETE',
+    profileDeleteTime: 'PROFILE_DELETE_TIME',
+    authQrApprove: 'AUTH_QR_APPROVE',
+    chatSuggest: 'CHAT_SUGGEST',
+    sendVote: 'SEND_VOTE',
+    votersListByAnswer: 'VOTERS_LIST_BY_ANSWER',
+    getPollUpdates: 'GET_POLL_UPDATES',
+    foldersGet: 'FOLDERS_GET',
+    foldersGetById: 'FOLDERS_GET_BY_ID',
+    foldersUpdate: 'FOLDERS_UPDATE',
+    foldersReorder: 'FOLDERS_REORDER',
+    foldersDelete: 'FOLDERS_DELETE',
+  };
+}
diff --git a/lib/core/protocol/packet.dart b/lib/core/protocol/packet.dart
index 34fc2ba..a7c2d62 100644
--- a/lib/core/protocol/packet.dart
+++ b/lib/core/protocol/packet.dart
@@ -4,132 +4,182 @@ import 'package:msgpack_dart/msgpack_dart.dart' as msgpack;
 
 import '../utils/logger.dart';
 
-final int apiVersion = 10;
-int seq = 1;
+/// ver(1) + cmd(1) + seq(2) + opcode(2) + packedLen(4) = 10
+const int headerSize = 10;
+const int _maxDecompressedSize = 1048576; // 1 MB
 
-/*
-  Базовый класс пакета
+/// Типы команд в протоколе
+abstract class CmdType {
+  static const int request = 0; // запрос клиента
+  static const int push = 1; // пуш от сервера
 
-  api - версия API (по умолчанию 10 для сокета)
-  cmd - от кого был прислан пакет (
-  0 - клиент (если отправляется серверу)
-  1 - сервер
-  3 - отправляется вместе с ошибкой)
-  seq - счёт пакетов (начинается с 1)
-  opcode - показывает, для чего отправляется пакет (подробнее в /lib/core/protocol/opcode_map.dart)
-  payload - содержимое пакета (отправляется с сервера ввиде msgpack)
-*/
+  static const int ok = 1; // ответ: ок
+  static const int notFound = 2; // ответ: не найдено
+  static const int error = 3; // ответ: ошибка
+}
+
+/// Распакованный бинарный пакет
+///
+/// Формат заголовка (10 байт):
+/// ```
+/// [0]      ver       — версия протокола (uint8) (по умолчанию 10)
+/// [1]   cmd       — тип команды (uint8) (при отправке от клиента равно 0)
+/// [2..3]      seq       — порядковый номер (uint16 BE)
+/// [4..5]   opcode    — код операции (uint16 BE)
+/// [6..9]   packedLen — флаг сжатия [6] + длина payload [7..9] (uint32 BE)
+/// [10..]   payload   — данные в MsgPack, опционально сжатые LZ4
+/// ```
 class Packet {
   int api;
   int cmd;
   int seq;
   int opcode;
-  Map<dynamic, dynamic> payload;
+  dynamic payload;
 
   Packet({
     this.api = 10,
     this.cmd = 0,
-    this.seq = 1,
+    this.seq = 0,
     this.opcode = 0,
-    this.payload = const {},
+    this.payload,
   });
 
-  /// Выводит пакет в консоль
-  void printPacket() {
-    logger.i(
-      "Api: $api\nCmd: $cmd\nSeq: $seq\nOPCode: $opcode\nPayload: $payload",
-    );
-  }
+  bool get isOk => cmd == CmdType.ok;
+  bool get isError => cmd == CmdType.error;
+  bool get isPush => cmd == CmdType.push;
+
+  @override
+  String toString() =>
+      'Packet(ver=$api cmd=$cmd seq=$seq opcode=$opcode payload=$payload)';
 }
 
-/// Функция запаковки пакета
-/// Принимает только opcode и payload, так как api и cmd
-/// константы (10 и 0 соответственно), а seq считается менеджером сокета
-/// Возращает запакованный пакет
-Uint8List packPacket(int opcode, Map<dynamic, dynamic> payload) {
-  // Объяснение каждой переменной смотри в классе Packet
+/// Упаковка пакета для отправки на сервер
+Uint8List packPacket(int opcode, Map<dynamic, dynamic> payload, {int seq = 0}) {
+  final header = ByteData(headerSize);
+  header.setUint8(0, 10);
+  header.setUint8(1, CmdType.request);
+  header.setUint16(2, seq, Endian.big);
+  header.setUint16(4, opcode, Endian.big);
 
-  final apiVerB = Uint8List(1)..[0] = apiVersion;
-  final cmdB = Uint8List(1)..[0] = 0;
-  final seqB = Uint8List(2)..buffer.asByteData().setUint16(0, seq, Endian.big);
-  final opcodeB = Uint8List(2)
-    ..buffer.asByteData().setUint16(0, opcode, Endian.big);
-
-  // Перед получением длины пакуем в msgpack
   final payloadBytes = msgpack.serialize(payload);
   final payloadLen = payloadBytes.length & 0xFFFFFF;
+  header.setUint32(6, payloadLen, Endian.big);
 
-  final payloadLenB = Uint8List(4)
-    ..buffer.asByteData().setUint32(0, payloadLen, Endian.big);
-
-  return Uint8List.fromList(
-    apiVerB + cmdB + seqB + opcodeB + payloadLenB + payloadBytes,
-  );
+  return Uint8List.fromList(header.buffer.asUint8List() + payloadBytes);
 }
 
-/// Функция распаковки пакета
-/// Принимает байты пакета, которые отправляет сервер
-/// Возращает Packet
+/// Распаковка пакета от сервера
 Packet unpackPacket(Uint8List packet) {
   // Для удобства расшифровки пакета переводим в ByteData
-  ByteData packetData = ByteData.view(packet.buffer);
+  ByteData packetData = ByteData.view(
+    packet.buffer,
+    packet.offsetInBytes,
+    packet.lengthInBytes,
+  );
 
   // Объяснение каждой переменной смотри в классе Packet
 
   // API версия и cmd представляют из себя 8 битные числа
-  var apiVer = packetData.getUint8(0) & 0xFF;
-  var cmd = packetData.getUint8(1) & 0xFF;
+  final apiVer = packetData.getUint8(0) & 0xFF;
+  final cmd = packetData.getUint8(1) & 0xFF;
 
   // Sequence и OPCode представляют из себя 16 битные числа
-  var seq = packetData.getUint16(2) & 0xFFFF;
-  var opcode = packetData.getUint16(4) & 0xFFFF;
+  final seq = packetData.getUint16(2) & 0xFFFF;
+  final opcode = packetData.getUint16(4) & 0xFFFF;
 
   // После базовых переменных идет длина пакета, является 32 битным числом
-  var packedLen = packetData.getUint32(6);
+  final packedLen = packetData.getUint32(6);
 
   // Compression flag показывает, сжат ли payload
-  var compFlag = packedLen >> 24;
-
-  // Длина payload'а
-  var payloadLength = packedLen & 0xFFFFFF;
+  final compFlag = packedLen >> 24;
+  
+  // Длина payload'а 
+  final payloadLength = packedLen & 0xFFFFFF;
 
   // Байты payload'а, могут быть сжаты LZ4
   var payloadBytes = packet.buffer.asUint8List(10, payloadLength);
 
-  var payload = {};
-
+  dynamic payload;
+  print(compFlag);
   // Если payload пустой, ничего не делаем (так может быть при получении пинга)
-  if (payloadBytes.buffer.lengthInBytes > 0) {
-    // Если пакет сжат, используем LZ4
+  if (payloadBytes.isNotEmpty) {
     if (compFlag != 0) {
       try {
-        final decompressedBytes = lz4Decompress(
+        payloadBytes = lz4Decompress(
           payloadBytes,
-          decompressedSize: 99999,
+          decompressedSize: _maxDecompressedSize,
         );
-
-        payloadBytes = decompressedBytes;
-      } catch (e) {
-        logger.e("Ошибка при декомпрессировании: $e", error: e);
+        
+      } catch (_) {
+        // dart_lz4 не умеет block-формат, фолбэк на ручной декомпрессор
+        try {
+          payloadBytes = _lz4BlockDecompress(payloadBytes, _maxDecompressedSize);
+        } catch (e) {
+          logger.e("Ошибка декомпрессии LZ4: $e", error: e);
+        }
       }
     }
 
-    // Пробуем десериализовать msgpack
     try {
       payload = msgpack.deserialize(payloadBytes);
-    } catch (e) {
-      logger.e("Ошибка при десериализации msgpack: $e", error: e);
+    } catch (e) { 
+      logger.e("Ошибка десериализации MsgPack: $e", error: e);
     }
   }
 
-  // Собираем целый пакет и возращаем его
-  final fullPacket = Packet(
+  return Packet(
     api: apiVer,
     cmd: cmd,
     seq: seq,
     opcode: opcode,
     payload: payload,
   );
+}
 
-  return fullPacket;
+/// LZ4 block декомпрессия (без frame-заголовка).
+/// Сервер шлёт именно block-формат, dart_lz4 его не поддерживает.
+Uint8List _lz4BlockDecompress(Uint8List src, int maxSize) {
+  final dst = BytesBuilder(copy: false);
+  int pos = 0;
+
+  while (pos < src.length) {
+    final token = src[pos++];
+    var litLen = token >> 4;
+
+    if (litLen == 15) {
+      while (pos < src.length) {
+        final b = src[pos++];
+        litLen += b;
+        if (b != 255) break;
+      }
+    }
+
+    if (litLen > 0) {
+      dst.add(src.sublist(pos, pos + litLen));
+      pos += litLen;
+    }
+
+    if (pos >= src.length) break;
+
+    final offset = src[pos] | (src[pos + 1] << 8);
+    pos += 2;
+    if (offset == 0) throw StateError('LZ4: offset = 0');
+
+    var matchLen = (token & 0x0F) + 4;
+    if ((token & 0x0F) == 0x0F) {
+      while (pos < src.length) {
+        final b = src[pos++];
+        matchLen += b;
+        if (b != 255) break;
+      }
+    }
+
+    final out = dst.toBytes();
+    final start = out.length - offset;
+    dst.add(List<int>.generate(matchLen, (i) => out[start + (i % offset)]));
+
+    if (dst.length > maxSize) throw StateError('LZ4: превышен лимит');
+  }
+
+  return dst.toBytes();
 }
diff --git a/lib/core/transport/connection.dart b/lib/core/transport/connection.dart
index e69de29..16c4444 100644
--- a/lib/core/transport/connection.dart
+++ b/lib/core/transport/connection.dart
@@ -0,0 +1,86 @@
+import 'dart:async';
+import 'dart:io';
+import 'dart:typed_data';
+
+import '../utils/logger.dart';
+
+enum SocketState { disconnected, connecting, connected }
+
+/// Обёртка над TCP + TLS сокетом.
+/// Отдаёт сырые байты через [dataStream], сборкой пакетов занимается [PacketReceiver].
+class Connection {
+  SecureSocket? _socket;
+  SocketState _state = SocketState.disconnected;
+
+  final _dataController = StreamController<Uint8List>.broadcast();
+  final _stateController = StreamController<SocketState>.broadcast();
+
+  Stream<Uint8List> get dataStream => _dataController.stream;
+  Stream<SocketState> get stateStream => _stateController.stream;
+  SocketState get state => _state;
+  bool get isConnected => _state == SocketState.connected;
+
+  void _setState(SocketState newState) {
+    if (_state == newState) return;
+    _state = newState;
+    _stateController.add(newState);
+  }
+
+  Future<void> connect(String host, int port) async {
+    if (_state != SocketState.disconnected) return;
+    _setState(SocketState.connecting);
+
+    try {
+      final socket = await Socket.connect(host, port);
+      _socket = await SecureSocket.secure(
+        socket,
+        onBadCertificate: (_) => true,
+      );
+
+      _setState(SocketState.connected);
+      logger.i('Подключено к $host:$port');
+
+      _socket!.listen(
+        (data) => _dataController.add(Uint8List.fromList(data)),
+        onError: (Object error) {
+          logger.e('Ошибка сокета: $error');
+          disconnect();
+        },
+        onDone: () {
+          logger.w('Сокет закрыт сервером');
+          disconnect();
+        },
+      );
+    } catch (e) {
+      logger.e('Не удалось подключиться: $e');
+      _setState(SocketState.disconnected);
+      rethrow;
+    }
+  }
+
+  void write(Uint8List data) {
+    if (_socket == null || !isConnected) {
+      throw StateError('Нельзя писать: сокет не подключён');
+    }
+    _socket!.add(data);
+  }
+
+  Future<void> disconnect() async {
+    final socket = _socket;
+    _socket = null;
+
+    if (socket != null) {
+      try {
+        socket.destroy();
+      } catch (_) {}
+    }
+
+    _setState(SocketState.disconnected);
+  }
+
+  void dispose() {
+    disconnect();
+    _dataController.close();
+    _stateController.close();
+  }
+}
diff --git a/lib/core/transport/dispatcher.dart b/lib/core/transport/dispatcher.dart
index e69de29..efeec15 100644
--- a/lib/core/transport/dispatcher.dart
+++ b/lib/core/transport/dispatcher.dart
@@ -0,0 +1,115 @@
+import 'dart:async';
+
+import '../protocol/packet.dart';
+import '../protocol/opcode_map.dart';
+import '../utils/logger.dart';
+
+typedef PacketHandler = void Function(Packet packet);
+
+/// Роутер входящих пакетов.
+///
+/// Ответы на запросы матчатся по seq (через [registerPending]),
+/// пуши — по opcode (через [registerHandler]).
+class PacketDispatcher {
+  final Map<int, Completer<Packet>> _pendingRequests = {};
+  final Map<int, DateTime> _requestTimestamps = {};
+  final Map<int, PacketHandler> _pushHandlers = {};
+
+  final _pushController = StreamController<Packet>.broadcast();
+
+  /// Стрим всех входящих пушей (cmd == 1)
+  Stream<Packet> get pushStream => _pushController.stream;
+
+  Timer? _cleanupTimer;
+
+  PacketDispatcher() {
+    _cleanupTimer = Timer.periodic(
+      const Duration(seconds: 10),
+      (_) => _cleanupStaleRequests(),
+    );
+  }
+
+  /// Регистрирует ожидание ответа — future завершится когда
+  /// придёт пакет с совпадающим seq.
+  Future<Packet> registerPending(int seq) {
+    final completer = Completer<Packet>();
+    _pendingRequests[seq] = completer;
+    _requestTimestamps[seq] = DateTime.now();
+    return completer.future;
+  }
+
+  /// Вешает обработчик на пуши с конкретным опкодом.
+  void registerHandler(int opcode, PacketHandler handler) {
+    _pushHandlers[opcode] = handler;
+  }
+
+  void unregisterHandler(int opcode) {
+    _pushHandlers.remove(opcode);
+  }
+
+  void dispatch(Packet packet) {
+    final tag = Opcode.name(packet.opcode);
+
+    if (packet.cmd == CmdType.ok ||
+        packet.cmd == CmdType.error ||
+        packet.cmd == CmdType.notFound) {
+      final status = packet.isOk ? 'OK' : packet.isError ? 'ERR' : 'NOT_FOUND';
+      logger.i('<= [$tag] seq=${packet.seq} $status\n   payload: ${packet.payload}');
+
+      final completer = _pendingRequests.remove(packet.seq);
+      _requestTimestamps.remove(packet.seq);
+
+      if (completer == null) {
+        if (packet.opcode != Opcode.ping) {
+          logger.w('Нет ожидающего запроса для seq=${packet.seq} [$tag]');
+        }
+        return;
+      }
+
+      if (packet.isError) {
+        completer.completeError(packet);
+      } else {
+        completer.complete(packet);
+      }
+    } else if (packet.isPush) {
+      logger.i('<= push [$tag] ${packet.payload}');
+      _pushHandlers[packet.opcode]?.call(packet);
+      _pushController.add(packet);
+    }
+  }
+
+  /// Чистит зависшие запросы старше 30 секунд
+  void _cleanupStaleRequests() {
+    final now = DateTime.now();
+    final staleKeys = <int>[];
+
+    _requestTimestamps.forEach((seq, ts) {
+      if (now.difference(ts).inSeconds > 30) staleKeys.add(seq);
+    });
+
+    for (final seq in staleKeys) {
+      final completer = _pendingRequests.remove(seq);
+      _requestTimestamps.remove(seq);
+      if (completer != null && !completer.isCompleted) {
+        completer.completeError(TimeoutException('Таймаут запроса seq=$seq'));
+      }
+    }
+  }
+
+  /// Обрывает все ожидающие запросы (при дисконнекте)
+  void clearPending() {
+    for (final entry in _pendingRequests.entries) {
+      if (!entry.value.isCompleted) {
+        entry.value.completeError(StateError('Соединение закрыто'));
+      }
+    }
+    _pendingRequests.clear();
+    _requestTimestamps.clear();
+  }
+
+  void dispose() {
+    _cleanupTimer?.cancel();
+    clearPending();
+    _pushController.close();
+  }
+}
diff --git a/lib/core/transport/receiver.dart b/lib/core/transport/receiver.dart
index e69de29..25af729 100644
--- a/lib/core/transport/receiver.dart
+++ b/lib/core/transport/receiver.dart
@@ -0,0 +1,57 @@
+import 'dart:typed_data';
+
+import '../protocol/packet.dart';
+import '../utils/logger.dart';
+
+/// Буфер входящих данных.
+/// Копит сырые байты из сокета, собирает из них целые пакеты.
+class PacketReceiver {
+  Uint8List _buffer = Uint8List(0);
+
+  static const int _maxBufferSize = 2 * 1024 * 1024; // 2 мегабуйта
+
+  /// Добавляет байты в буфер, возвращает все собранные пакеты.
+  /// Неполные данные остаются в буфере до следующего вызова.
+  List<Packet> feed(Uint8List data) {
+    final newBuffer = Uint8List(_buffer.length + data.length);
+    newBuffer.setAll(0, _buffer);
+    newBuffer.setAll(_buffer.length, data);
+    _buffer = newBuffer;
+
+    if (_buffer.length > _maxBufferSize) {
+      logger.e('PacketReceiver: переполнение буфера (${_buffer.length} B), сброс');
+      reset();
+      return [];
+    }
+
+    final packets = <Packet>[];
+
+    while (_buffer.length >= headerSize) {
+      final bd = ByteData.view(
+        _buffer.buffer,
+        _buffer.offsetInBytes,
+        headerSize,
+      );
+      final packedLen = bd.getUint32(6, Endian.big);
+      final payloadLength = packedLen & 0xFFFFFF;
+      final totalLength = headerSize + payloadLength;
+
+      if (_buffer.length < totalLength) break;
+
+      final packetBytes = Uint8List.sublistView(_buffer, 0, totalLength);
+      _buffer = _buffer.sublist(totalLength);
+
+      try {
+        packets.add(unpackPacket(packetBytes));
+      } catch (e) {
+        logger.e('PacketReceiver: ошибка распаковки: $e');
+      }
+    }
+
+    return packets;
+  }
+
+  void reset() {
+    _buffer = Uint8List(0);
+  }
+}
diff --git a/lib/core/transport/sender.dart b/lib/core/transport/sender.dart
index e69de29..31a5c2c 100644
--- a/lib/core/transport/sender.dart
+++ b/lib/core/transport/sender.dart
@@ -0,0 +1,25 @@
+import '../protocol/packet.dart';
+import '../protocol/opcode_map.dart';
+import '../utils/logger.dart';
+import 'connection.dart';
+
+/// Упаковывает и отправляет пакеты, ведёт счётчик seq.
+class PacketSender {
+  int _seq = 0;
+
+  int get currentSeq => _seq;
+
+  int _nextSeq() {
+    _seq = (_seq + 1) % 256;
+    return _seq;
+  }
+
+  /// Отправляет пакет, возвращает присвоенный seq.
+  int send(Connection connection, int opcode, Map<dynamic, dynamic> payload) {
+    final seq = _nextSeq();
+    final data = packPacket(opcode, payload, seq: seq);
+    connection.write(data);
+    logger.i('=> [${Opcode.name(opcode)}] seq=$seq\n   payload: $payload');
+    return seq;
+  }
+}
diff --git a/lib/core/utils/logger.dart b/lib/core/utils/logger.dart
index 5fbcd7b..580e134 100644
--- a/lib/core/utils/logger.dart
+++ b/lib/core/utils/logger.dart
@@ -3,7 +3,7 @@ import 'package:logger/logger.dart';
 final logger = Logger(
   // устанавливает минимальный уровень логов.
   // доступны уровни: all, trace, debug, info, warning, error, fatal, off
-  level: Level.info,
+  level: Level.all,
   printer: PrettyPrinter(
     methodCount: 0,
     errorMethodCount: 5,
diff --git a/lib/main.dart b/lib/main.dart
index 244a702..429dfbf 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,6 +1,11 @@
 import 'package:flutter/material.dart';
+import 'backend/api.dart';
 
-void main() {
+final api = Api();
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await api.connect();
   runApp(const MyApp());
 }
 
diff --git a/macos/Flutter/Flutter-Debug.xcconfig b/macos/Flutter/Flutter-Debug.xcconfig
index c2efd0b..4b81f9b 100644
--- a/macos/Flutter/Flutter-Debug.xcconfig
+++ b/macos/Flutter/Flutter-Debug.xcconfig
@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"
diff --git a/macos/Flutter/Flutter-Release.xcconfig b/macos/Flutter/Flutter-Release.xcconfig
index c2efd0b..5caa9d1 100644
--- a/macos/Flutter/Flutter-Release.xcconfig
+++ b/macos/Flutter/Flutter-Release.xcconfig
@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"
diff --git a/macos/Podfile b/macos/Podfile
new file mode 100644
index 0000000..ff5ddb3
--- /dev/null
+++ b/macos/Podfile
@@ -0,0 +1,42 @@
+platform :osx, '10.15'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\""
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_macos_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+
+  flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_macos_build_settings(target)
+  end
+end
diff --git a/macos/Runner/DebugProfile.entitlements b/macos/Runner/DebugProfile.entitlements
index dddb8a3..08c3ab1 100644
--- a/macos/Runner/DebugProfile.entitlements
+++ b/macos/Runner/DebugProfile.entitlements
@@ -8,5 +8,7 @@
 	<true/>
 	<key>com.apple.security.network.server</key>
 	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
 </dict>
 </plist>
diff --git a/macos/Runner/Release.entitlements b/macos/Runner/Release.entitlements
index 852fa1a..ee95ab7 100644
--- a/macos/Runner/Release.entitlements
+++ b/macos/Runner/Release.entitlements
@@ -4,5 +4,7 @@
 <dict>
 	<key>com.apple.security.app-sandbox</key>
 	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
 </dict>
 </plist>
diff --git a/pubspec.lock b/pubspec.lock
index 3e29bd2..6bb2187 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -57,6 +57,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  device_info_plus:
+    dependency: "direct main"
+    description:
+      name: device_info_plus
+      sha256: "4df8babf73058181227e18b08e6ea3520cf5fc5d796888d33b7cb0f33f984b7c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "12.3.0"
+  device_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: device_info_plus_platform_interface
+      sha256: e1ea89119e34903dca74b883d0dd78eb762814f97fb6c76f35e9ff74d261a18f
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.3"
+  equatable:
+    dependency: transitive
+    description:
+      name: equatable
+      sha256: "3e0141505477fd8ad55d6eb4e7776d3fe8430be8e497ccb1521370c3f21a3e2b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.8"
   fake_async:
     dependency: transitive
     description:
@@ -65,6 +89,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "6d7fd89431262d8f3125e81b50d3847a091d846eafcd4fdb88dd06f36d705a45"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -83,6 +123,35 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_timezone:
+    dependency: "direct main"
+    description:
+      name: flutter_timezone
+      sha256: "978192f2f9ea6d019a4de4f0211d76a9af955ca24865828fa98ca4e20cf0cb3c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.1"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -163,6 +232,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -216,6 +293,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.7"
+  timezone:
+    dependency: "direct main"
+    description:
+      name: timezone
+      sha256: "784a5e34d2eb62e1326f24d6f600aaaee452eb8ca8ef2f384a59244e292d158b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.11.0"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
   vector_math:
     dependency: transitive
     description:
@@ -232,6 +325,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "15.0.2"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: d7cb55e04cd34096cd3a79b3330245f54cb96a370a1c27adb3c84b917de8b08e
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.15.0"
+  win32_registry:
+    dependency: transitive
+    description:
+      name: win32_registry
+      sha256: "6f1b564492d0147b330dd794fee8f512cec4977957f310f9951b5f9d83618dae"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
 sdks:
   dart: ">=3.10.4 <4.0.0"
-  flutter: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.29.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index a704a79..252d74e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -37,6 +37,9 @@ dependencies:
   dart_lz4: ^1.0.0
   msgpack_dart: ^1.0.1
   logger: ^2.6.2
+  device_info_plus: ^12.3.0
+  flutter_timezone: ^5.0.1
+  timezone: ^0.11.0
 
 dev_dependencies:
   flutter_test: