Multilingual support via Fluent + Frontend improvements + Rewrite of ArcReactor

crates/jarvis-app/src/main.rs

@@ -6,6 +6,7 @@ use std::sync::atomic::{AtomicBool, Ordering};
 use jarvis_core::{
     audio, audio_processing, commands, config, db, listener, recorder, stt, intent,
     ipc::{self, IpcAction},
+    i18n,
     APP_CONFIG_DIR, APP_LOG_DIR, COMMANDS_LIST, DB,
 };
 
@@ -40,6 +41,9 @@ fn main() -> Result<(), String> {
     DB.set(Arc::new(RwLock::new(db::init_settings())))
             .expect("DB already initialized");
 
+    // init i18n
+    i18n::init(&DB.get().unwrap().read().language);
+
     // initialize tray
     // @TODO. macOS currently not supported for tray functionality,
     // due to the separate thread in which tray processing works,

crates/jarvis-app/src/tray.rs

@@ -10,7 +10,7 @@ use image;
 #[cfg(target_os="windows")]
 use winit::platform::windows::EventLoopBuilderExtWindows;
 
-use jarvis_core::config;
+use jarvis_core::{config, i18n};
 
 const TRAY_ICON_BYTES: &[u8] = include_bytes!("../../../resources/icons/32x32.png");
 
@@ -21,22 +21,22 @@ pub fn init_blocking() {
     let icon = load_icon_from_bytes(TRAY_ICON_BYTES);
 
     // form tray menu
-    let tray_menu = Menu::with_items(&[
-        &MenuItem::new("Перезапуск", true, None),
-        &MenuItem::new("Настройки", true, None),
-        &MenuItem::new("Выход", true, None),
-    ])
-    .unwrap();
+    // let tray_menu = Menu::with_items(&[
+    //     &MenuItem::new("Перезапуск", true, None),
+    //     &MenuItem::new("Настройки", true, None),
+    //     &MenuItem::new("Выход", true, None),
+    // ])
+    // .unwrap();
 
     let tray_menu = Menu::with_items(&[
-        &MenuItem::with_id("restart", "Перезапуск", true, None),
-        &MenuItem::with_id("settings", "Настройки", true, None),
-        &MenuItem::with_id("exit", "Выход", true, None),
+        &MenuItem::with_id("restart", i18n::t("tray-restart"), true, None),
+        &MenuItem::with_id("settings", i18n::t("tray-settings"), true, None),
+        &MenuItem::with_id("exit", i18n::t("tray-exit"), true, None),
     ]).unwrap();
 
     let _tray_icon = TrayIconBuilder::new()
         .with_menu(Box::new(tray_menu))
-        .with_tooltip(config::TRAY_TOOLTIP)
+        .with_tooltip(i18n::t("tray-tooltip"))
         .with_icon(icon)
         .build()
         .unwrap();

crates/jarvis-core/Cargo.toml

@@ -26,6 +26,9 @@ sha2.workspace = true
 nnnoiseless = { workspace = true, optional = true }
 tokio-tungstenite = { workspace = true, optional = true }
 futures-util = { workspace = true, optional = true }
+fluent.workspace = true
+fluent-bundle.workspace = true
+unic-langid.workspace = true
 
 # pv_recorder = { workspace = true, optional = true }
 vosk = { version = "0.3.1", optional = true }

crates/jarvis-core/src/config.rs

@@ -80,6 +80,8 @@ pub const AUTHOR_NAME: Option<&str> = option_env!("CARGO_PKG_AUTHORS");
 pub const REPOSITORY_LINK: Option<&str> = option_env!("CARGO_PKG_REPOSITORY");
 pub const TG_OFFICIAL_LINK: Option<&str> = Some("https://t.me/howdyho_official");
 pub const FEEDBACK_LINK: Option<&str> = Some("https://t.me/jarvis_feedback_bot");
+pub const SUPPORT_BOOSTY_LINK: Option<&str> = Some("https://boosty.to/howdyho");
+pub const SUPPORT_PATREON_LINK: Option<&str> = Some("https://www.patreon.com/user?u=22843414");
 
 /*
    Tray.

crates/jarvis-core/src/db/structs.rs

@@ -22,6 +22,8 @@ pub struct Settings {
     pub vad: VadBackend,
     pub gain_normalizer: bool,
 
+    pub language: String,
+
     pub api_keys: ApiKeys,
 }
 
@@ -41,6 +43,8 @@ impl Default for Settings {
             vad: config::DEFAULT_VAD,
             gain_normalizer: config::DEFAULT_GAIN_NORMALIZER,
 
+            language: String::from("ru"),
+
             api_keys: ApiKeys {
                 picovoice: String::from(""),
                 openai: String::from(""),

crates/jarvis-core/src/i18n.rs

@@ -0,0 +1,176 @@
+use fluent_bundle::{FluentBundle, FluentResource, FluentArgs, FluentValue};
+use fluent_bundle::concurrent::FluentBundle as ConcurrentFluentBundle;
+use once_cell::sync::OnceCell;
+use parking_lot::RwLock;
+use std::collections::HashMap;
+use unic_langid::LanguageIdentifier;
+
+// locale files embedded at compile time
+const LOCALE_RU: &str = include_str!("i18n/locales/ru.ftl");
+const LOCALE_EN: &str = include_str!("i18n/locales/en.ftl");
+const LOCALE_UA: &str = include_str!("i18n/locales/ua.ftl");
+
+pub const SUPPORTED_LANGUAGES: &[&str] = &["ru", "en", "ua"];
+pub const DEFAULT_LANGUAGE: &str = "ru";
+
+// use concurrent bundle (thread-safe)
+type Bundle = ConcurrentFluentBundle<FluentResource>;
+
+static BUNDLES: OnceCell<HashMap<String, Bundle>> = OnceCell::new();
+static CURRENT_LANG: OnceCell<RwLock<String>> = OnceCell::new();
+
+// Initialize i18n system
+pub fn init(lang: &str) {
+    let bundles = create_bundles();
+    BUNDLES.set(bundles).ok();
+    
+    let lang = if SUPPORTED_LANGUAGES.contains(&lang) { lang } else { DEFAULT_LANGUAGE };
+    CURRENT_LANG.set(RwLock::new(lang.to_string())).ok();
+    
+    info!("i18n initialized with language: {}", lang);
+}
+
+fn create_bundles() -> HashMap<String, Bundle> {
+    let mut bundles = HashMap::new();
+    
+    bundles.insert("ru".to_string(), create_bundle("ru", LOCALE_RU));
+    bundles.insert("en".to_string(), create_bundle("en", LOCALE_EN));
+    bundles.insert("ua".to_string(), create_bundle("ua", LOCALE_UA));
+    
+    bundles
+}
+
+fn create_bundle(lang: &str, source: &str) -> Bundle {
+    let langid: LanguageIdentifier = lang.parse().expect("Invalid language identifier");
+    let mut bundle = ConcurrentFluentBundle::new_concurrent(vec![langid]);
+    
+    let resource = FluentResource::try_new(source.to_string())
+        .expect("Failed to parse FTL resource");
+    
+    bundle.add_resource(resource).expect("Failed to add resource");
+    bundle
+}
+
+// Set current language
+pub fn set_language(lang: &str) {
+    if let Some(current) = CURRENT_LANG.get() {
+        let lang = if SUPPORTED_LANGUAGES.contains(&lang) { lang } else { DEFAULT_LANGUAGE };
+        *current.write() = lang.to_string();
+        info!("Language changed to: {}", lang);
+    }
+}
+
+// Get current language
+pub fn get_language() -> String {
+    CURRENT_LANG.get()
+        .map(|l| l.read().clone())
+        .unwrap_or_else(|| DEFAULT_LANGUAGE.to_string())
+}
+
+// Translate a key
+pub fn t(key: &str) -> String {
+    t_with_args(key, None)
+}
+
+// Translate a key with arguments
+pub fn t_with_args(key: &str, args: Option<&FluentArgs>) -> String {
+    let lang = get_language();
+    
+    let bundles = match BUNDLES.get() {
+        Some(b) => b,
+        None => return key.to_string(),
+    };
+    
+    let bundle = match bundles.get(&lang) {
+        Some(b) => b,
+        None => bundles.get(DEFAULT_LANGUAGE).unwrap(),
+    };
+    
+    let msg = match bundle.get_message(key) {
+        Some(m) => m,
+        None => return key.to_string(),
+    };
+    
+    let pattern = match msg.value() {
+        Some(p) => p,
+        None => return key.to_string(),
+    };
+    
+    let mut errors = vec![];
+    let result = bundle.format_pattern(pattern, args, &mut errors);
+    
+    if !errors.is_empty() {
+        warn!("i18n errors for key '{}': {:?}", key, errors);
+    }
+    
+    result.to_string()
+}
+
+// Translate with a single argument
+pub fn t_arg(key: &str, arg_name: &str, arg_value: &str) -> String {
+    let mut args = FluentArgs::new();
+    args.set(arg_name, FluentValue::from(arg_value));
+    t_with_args(key, Some(&args))
+}
+
+// Translate with numeric argument
+pub fn t_count(key: &str, count: i64) -> String {
+    let mut args = FluentArgs::new();
+    args.set("count", FluentValue::from(count));
+    t_with_args(key, Some(&args))
+}
+
+// Get all translations for current language (for frontend)
+pub fn get_all_translations() -> HashMap<String, String> {
+    let lang = get_language();
+    get_translations_for(&lang)
+}
+
+/// Get all translations for a specific language
+pub fn get_translations_for(lang: &str) -> HashMap<String, String> {
+    let mut result = HashMap::new();
+    
+    let bundles = match BUNDLES.get() {
+        Some(b) => b,
+        None => return result,
+    };
+    
+    let bundle = match bundles.get(lang) {
+        Some(b) => b,
+        None => match bundles.get(DEFAULT_LANGUAGE) {
+            Some(b) => b,
+            None => return result,
+        },
+    };
+
+    // get source for this language and extract all keys
+    let source = match lang {
+        "ru" => LOCALE_RU,
+        "en" => LOCALE_EN,
+        "ua" => LOCALE_UA,
+        _ => LOCALE_RU,
+    };
+
+    // parse keys from FTL source (lines that have "=" and don't start with "#" or "-")
+    for line in source.lines() {
+        let line = line.trim();
+        if line.is_empty() || line.starts_with('#') || line.starts_with('-') {
+            continue;
+        }
+        
+        if let Some(key) = line.split('=').next() {
+            let key = key.trim();
+            if !key.is_empty() && !key.contains(' ') {
+                if let Some(msg) = bundle.get_message(key) {
+                    if let Some(pattern) = msg.value() {
+                        let mut errors = vec![];
+                        let value = bundle.format_pattern(pattern, None, &mut errors);
+                        result.insert(key.to_string(), value.to_string());
+                    }
+                }
+            }
+        }
+    }
+    
+    result
+}

crates/jarvis-core/src/i18n/locales/en.ftl

@@ -0,0 +1,119 @@
+# ### APP INFO
+app-name = JARVIS
+app-description = Voice Assistant
+
+# ### TRAY MENU
+tray-restart = Restart
+tray-settings = Settings
+tray-exit = Exit
+tray-tooltip = JARVIS - Voice Assistant
+
+# ### HEADER
+header-commands = COMMANDS
+header-settings = SETTINGS
+
+# ### SEARCH
+search-placeholder = Enter a command manually or say «Jarvis» ...
+
+# ### MAIN PAGE
+assistant-not-running = ASSISTANT NOT RUNNING
+assistant-offline-hint = You can configure it without starting.
+btn-start = START
+btn-starting = STARTING...
+
+# ### STATUS
+status-disconnected = Disconnected
+status-standby = Standby
+status-listening = Listening...
+status-processing = Processing...
+
+# ### STATS
+stats-microphone = MICROPHONE
+stats-neural-networks = NEURAL NETWORKS
+stats-resources = RESOURCES
+stats-system-default = System Default
+stats-not-selected = Not selected
+stats-loading = Loading...
+
+# ### FOOTER
+footer-author = Project author
+footer-telegram = Our Telegram channel
+footer-github = Github repository
+footer-support = Support the project on
+
+# ### SETTINGS
+settings-title = Settings
+settings-general = General
+settings-devices = Devices
+settings-neural-networks = Neural Networks
+settings-audio = Audio
+settings-recognition = Recognition
+settings-about = About
+settings-language = Language
+settings-microphone = Microphone
+settings-microphone-desc = The assistant will listen to this microphone.
+settings-mic-default = Default (System)
+settings-voice = Assistant voice
+settings-voice-desc = Not all commands work with all sound packs.
+settings-wake-word-engine = Wake word engine
+settings-wake-word-desc = Choose the engine for wake word recognition.
+settings-stt-engine = Speech recognition
+settings-intent-engine = Intent recognition
+settings-intent-engine-desc = Select neural network for command recognition.
+settings-noise-suppression = Noise suppression
+settings-noise-suppression-desc = Reduces background noise.
+settings-vad = Voice detection (VAD)
+settings-vad-desc = Skips silence, saves CPU resources.
+settings-gain-normalizer = Gain normalizer
+settings-gain-normalizer-desc = Automatically adjusts volume level.
+settings-api-keys = API Keys
+settings-save = Save
+settings-cancel = Cancel
+settings-back = Back
+settings-enabled = Enabled
+settings-disabled = Disabled
+
+# settings - beta notice
+settings-beta-title = BETA version!
+settings-beta-desc = Some features may not work correctly.
+settings-beta-feedback = Report all bugs to
+settings-beta-bot = our Telegram bot
+settings-open-logs = Open logs folder
+
+# settings - picovoice
+settings-attention = Attention!
+settings-picovoice-warning = This neural network doesn't work for everyone!
+settings-picovoice-waiting = We are waiting for an official patch from the developers.
+settings-picovoice-key-desc = Enter your Picovoice key here. It is issued for free upon registration at
+settings-picovoice-key = Picovoice Key
+
+# settings - vosk
+settings-auto-detect = Auto-detect
+settings-vosk-model = Speech recognition model (Vosk)
+settings-vosk-model-desc = Select Vosk model for speech recognition.
+settings-models-not-found = Models not found
+settings-models-hint = Place Vosk models in resources/vosk folder
+
+# settings - openai
+settings-openai-key = OpenAI Key
+settings-openai-not-supported = ChatGPT is not currently supported. It will be added in future updates.
+
+# ### COMMANDS PAGE
+commands-title = Commands
+commands-search = Search commands...
+commands-count = { $count } commands
+commands-wip-title = [404] This section is under development!
+commands-wip-desc = Here will be a list of commands + full-featured command editor.
+commands-wip-follow = Follow updates in
+commands-wip-channel = our Telegram channel
+
+# ### ERRORS
+error-generic = An error occurred
+error-connection = Connection error
+error-not-found = Not found
+
+# ### NOTIFICATIONS
+notification-saved = Settings saved!
+notification-error = Error
+notification-assistant-started = Assistant started
+notification-assistant-stopped = Assistant stopped

crates/jarvis-core/src/i18n/locales/ru.ftl

@@ -0,0 +1,119 @@
+# ### APP INFO
+app-name = JARVIS
+app-description = Голосовой ассистент
+
+# ### TRAY MENU
+tray-restart = Перезапустить
+tray-settings = Настройки
+tray-exit = Выход
+tray-tooltip = JARVIS - Голосовой ассистент
+
+# ### HEADER
+header-commands = КОМАНДЫ
+header-settings = НАСТРОЙКИ
+
+# ### SEARCH
+search-placeholder = Введите команду вручную или произнесите «Джарвис» ...
+
+# ### MAIN PAGE
+assistant-not-running = АССИСТЕНТ НЕ ЗАПУЩЕН
+assistant-offline-hint = Настроить его можно не запуская.
+btn-start = ЗАПУСТИТЬ
+btn-starting = ЗАПУСК...
+
+# ### STATUS
+status-disconnected = Отключен
+status-standby = Ожидание
+status-listening = Слушаю...
+status-processing = Обработка...
+
+# ### STATS
+stats-microphone = МИКРОФОН
+stats-neural-networks = НЕЙРОСЕТИ
+stats-resources = РЕСУРСЫ
+stats-system-default = Системный
+stats-not-selected = Не выбран
+stats-loading = Загрузка...
+
+# ### FOOTER
+footer-author = Автор проекта
+footer-telegram = Наш телеграм канал
+footer-github = Github репозиторий проекта
+footer-support = Поддержать проект на
+
+# ### SETTINGS
+settings-title = Настройки
+settings-general = Основные
+settings-devices = Устройства
+settings-neural-networks = Нейросети
+settings-audio = Аудио
+settings-recognition = Распознавание
+settings-about = О программе
+settings-language = Язык
+settings-microphone = Микрофон
+settings-microphone-desc = Его будет слушать ассистент.
+settings-mic-default = По умолчанию (Система)
+settings-voice = Голос ассистента
+settings-voice-desc = Не все команды работают со всеми звуковыми пакетами.
+settings-wake-word-engine = Движок активации
+settings-wake-word-desc = Выберите нейросеть для распознавания активационной фразы.
+settings-stt-engine = Распознавание речи
+settings-intent-engine = Определение намерения
+settings-intent-engine-desc = Выберите нейросеть для распознавания команд.
+settings-noise-suppression = Шумоподавление
+settings-noise-suppression-desc = Уменьшает фоновый шум.
+settings-vad = Определение голоса (VAD)
+settings-vad-desc = Пропускает тишину, экономит ресурсы CPU.
+settings-gain-normalizer = Нормализация громкости
+settings-gain-normalizer-desc = Автоматически регулирует уровень громкости.
+settings-api-keys = API Ключи
+settings-save = Сохранить
+settings-cancel = Отмена
+settings-back = Назад
+settings-enabled = Включено
+settings-disabled = Отключено
+
+# settings - beta notice
+settings-beta-title = БЕТА версия!
+settings-beta-desc = Часть функций может работать некорректно.
+settings-beta-feedback = Сообщайте обо всех найденных багах в
+settings-beta-bot = наш телеграм бот
+settings-open-logs = Открыть папку с логами
+
+# settings - picovoice
+settings-attention = Внимание!
+settings-picovoice-warning = Эта нейросеть работает не у всех!
+settings-picovoice-waiting = Мы ждем официального патча от разработчиков.
+settings-picovoice-key-desc = Введите сюда свой ключ Picovoice. Он выдается бесплатно при регистрации в
+settings-picovoice-key = Ключ Picovoice
+
+# settings - vosk
+settings-auto-detect = Авто-определение
+settings-vosk-model = Модель распознавания речи (Vosk)
+settings-vosk-model-desc = Выберите модель Vosk для распознавания речи.
+settings-models-not-found = Модели не найдены
+settings-models-hint = Поместите модели Vosk в папку resources/vosk
+
+# settings - openai
+settings-openai-key = Ключ OpenAI
+settings-openai-not-supported = В данный момент ChatGPT не поддерживается. Он будет добавлен в ближайших обновлениях.
+
+# ### COMMANDS PAGE
+commands-title = Команды
+commands-search = Поиск команд...
+commands-count = { $count } команд
+commands-wip-title = [404] Этот раздел еще находится в разработке!
+commands-wip-desc = Тут будет список команд + полноценный редактор команд.
+commands-wip-follow = Следите за обновлениями в
+commands-wip-channel = нашем телеграм канале
+
+# ### ERRORS
+error-generic = Произошла ошибка
+error-connection = Ошибка подключения
+error-not-found = Не найдено
+
+# ### NOTIFICATIONS
+notification-saved = Настройки сохранены!
+notification-error = Ошибка
+notification-assistant-started = Ассистент запущен
+notification-assistant-stopped = Ассистент остановлен

crates/jarvis-core/src/i18n/locales/ua.ftl

@@ -0,0 +1,119 @@
+# ### APP INFO
+app-name = JARVIS
+app-description = Голосовий асистент
+
+# ### TRAY MENU
+tray-restart = Перезапустити
+tray-settings = Налаштування
+tray-exit = Вихід
+tray-tooltip = JARVIS - Голосовий асистент
+
+# ### HEADER
+header-commands = КОМАНДИ
+header-settings = НАЛАШТУВАННЯ
+
+# ### SEARCH
+search-placeholder = Введіть команду вручну або скажіть «Джарвіс» ...
+
+# ### MAIN PAGE
+assistant-not-running = АСИСТЕНТ НЕ ЗАПУЩЕНО
+assistant-offline-hint = Налаштувати його можна не запускаючи.
+btn-start = ЗАПУСТИТИ
+btn-starting = ЗАПУСК...
+
+# ### STATUS
+status-disconnected = Відключено
+status-standby = Очікування
+status-listening = Слухаю...
+status-processing = Обробка...
+
+# ### STATS
+stats-microphone = МІКРОФОН
+stats-neural-networks = НЕЙРОМЕРЕЖІ
+stats-resources = РЕСУРСИ
+stats-system-default = Системний
+stats-not-selected = Не вибрано
+stats-loading = Завантаження...
+
+# ### FOOTER
+footer-author = Автор проєкту
+footer-telegram = Наш телеграм канал
+footer-github = Github репозиторій проєкту
+footer-support = Підтримати проєкт на
+
+# ### SETTINGS
+settings-title = Налаштування
+settings-general = Основні
+settings-devices = Пристрої
+settings-neural-networks = Нейромережі
+settings-audio = Аудіо
+settings-recognition = Розпізнавання
+settings-about = Про програму
+settings-language = Мова
+settings-microphone = Мікрофон
+settings-microphone-desc = Його буде слухати асистент.
+settings-mic-default = За замовчуванням (Система)
+settings-voice = Голос асистента
+settings-voice-desc = Не всі команди працюють з усіма звуковими пакетами.
+settings-wake-word-engine = Рушій активації
+settings-wake-word-desc = Виберіть нейромережу для розпізнавання активаційної фрази.
+settings-stt-engine = Розпізнавання мовлення
+settings-intent-engine = Визначення наміру
+settings-intent-engine-desc = Виберіть нейромережу для розпізнавання команд.
+settings-noise-suppression = Шумозаглушення
+settings-noise-suppression-desc = Зменшує фоновий шум.
+settings-vad = Визначення голосу (VAD)
+settings-vad-desc = Пропускає тишу, економить ресурси CPU.
+settings-gain-normalizer = Нормалізація гучності
+settings-gain-normalizer-desc = Автоматично регулює рівень гучності.
+settings-api-keys = API Ключі
+settings-save = Зберегти
+settings-cancel = Скасувати
+settings-back = Назад
+settings-enabled = Увімкнено
+settings-disabled = Вимкнено
+
+# settings - beta notice
+settings-beta-title = БЕТА версія!
+settings-beta-desc = Частина функцій може працювати некоректно.
+settings-beta-feedback = Повідомляйте про всі знайдені баги в
+settings-beta-bot = наш телеграм бот
+settings-open-logs = Відкрити папку з логами
+
+# settings - picovoice
+settings-attention = Увага!
+settings-picovoice-warning = Ця нейромережа працює не у всіх!
+settings-picovoice-waiting = Ми чекаємо офіційного патча від розробників.
+settings-picovoice-key-desc = Введіть сюди свій ключ Picovoice. Він видається безкоштовно при реєстрації в
+settings-picovoice-key = Ключ Picovoice
+
+# settings - vosk
+settings-auto-detect = Авто-визначення
+settings-vosk-model = Модель розпізнавання мовлення (Vosk)
+settings-vosk-model-desc = Виберіть модель Vosk для розпізнавання мовлення.
+settings-models-not-found = Моделі не знайдено
+settings-models-hint = Помістіть моделі Vosk в папку resources/vosk
+
+# settings - openai
+settings-openai-key = Ключ OpenAI
+settings-openai-not-supported = Наразі ChatGPT не підтримується. Він буде доданий у наступних оновленнях.
+
+# ### COMMANDS PAGE
+commands-title = Команди
+commands-search = Пошук команд...
+commands-count = { $count } команд
+commands-wip-title = [404] Цей розділ ще в розробці!
+commands-wip-desc = Тут буде список команд + повноцінний редактор команд.
+commands-wip-follow = Слідкуйте за оновленнями в
+commands-wip-channel = нашому телеграм каналі
+
+# ### ERRORS
+error-generic = Сталася помилка
+error-connection = Помилка підключення
+error-not-found = Не знайдено
+
+# ### NOTIFICATIONS
+notification-saved = Налаштування збережено!
+notification-error = Помилка
+notification-assistant-started = Асистент запущено
+notification-assistant-stopped = Асистент зупинено

crates/jarvis-core/src/lib.rs

@@ -11,6 +11,7 @@ pub mod audio;
 pub mod commands;
 pub mod config;
 pub mod db;
+pub mod i18n;
 
 #[cfg(feature = "jarvis_app")]
 pub mod listener;

crates/jarvis-gui/src/main.rs

@@ -1,7 +1,7 @@
 // Prevents additional console window on Windows in release, DO NOT REMOVE!!
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
-use jarvis_core::{config, db, APP_CONFIG_DIR, APP_LOG_DIR, DB};
+use jarvis_core::{config, db, i18n, APP_CONFIG_DIR, APP_LOG_DIR, DB};
 
 use parking_lot::RwLock;
 use std::sync::Arc;
@@ -26,6 +26,11 @@ fn main() {
 
     // init db
     let settings = db::init_settings();
+
+    // init i18n
+    i18n::init(&settings.language);
+
+    // set db
     DB.set(Arc::new(RwLock::new(settings)))
             .expect("DB already initialized");
     let db_arc = DB.get().unwrap().clone();
@@ -67,6 +72,13 @@ fn main() {
 
             // vosk
             tauri_commands::list_vosk_models,
+
+            // i18n
+            tauri_commands::get_translations,
+            tauri_commands::translate,
+            tauri_commands::get_current_language,
+            tauri_commands::set_language,
+            tauri_commands::get_supported_languages,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");

crates/jarvis-gui/src/tauri_commands.rs

@@ -25,4 +25,8 @@ pub use sys::*;
 
 // import STT commands
 mod stt;
-pub use stt::*;
+pub use stt::*;
+
+// import i18n commands
+mod i18n;
+pub use i18n::*;

crates/jarvis-gui/src/tauri_commands/db.rs

@@ -15,6 +15,7 @@ pub fn db_read(state: tauri::State<'_, AppState>, key: &str) -> String {
         "noise_suppression" => format!("{:?}", settings.noise_suppression),
         "vad" => format!("{:?}", settings.vad),
         "gain_normalizer" => settings.gain_normalizer.to_string(),
+        "language" => settings.language.to_string(),
         "api_key__picovoice" => settings.api_keys.picovoice.clone(),
         "api_key__openai" => settings.api_keys.openai.clone(),
         _ => String::new(),
@@ -78,6 +79,9 @@ pub fn db_write(state: tauri::State<'_, AppState>, key: &str, val: &str) -> bool
                     _ => return false,
                 }
             }
+            "language" => {
+                settings.language = val.to_string();
+            }
             "api_key__picovoice" => {
                 settings.api_keys.picovoice = val.to_string();
             }

crates/jarvis-gui/src/tauri_commands/etc.rs

@@ -38,6 +38,24 @@ pub fn get_tg_official_link() -> String {
     }
 }
 
+#[tauri::command]
+pub fn get_boosty_link() -> String {
+    if let Some(ver) = config::SUPPORT_BOOSTY_LINK {
+        ver.to_string()
+    } else {
+        String::from("error")
+    }
+}
+
+#[tauri::command]
+pub fn get_patreon_link() -> String {
+    if let Some(ver) = config::SUPPORT_PATREON_LINK {
+        ver.to_string()
+    } else {
+        String::from("error")
+    }
+}
+
 #[tauri::command]
 pub fn get_feedback_link() -> String {
     if let Some(res) = config::FEEDBACK_LINK {

crates/jarvis-gui/src/tauri_commands/i18n.rs

@@ -0,0 +1,49 @@
+use jarvis_core::i18n;
+use std::collections::HashMap;
+use crate::AppState;
+
+// Get all translations for frontend
+#[tauri::command]
+pub fn get_translations() -> HashMap<String, String> {
+    i18n::get_all_translations()
+}
+
+// Get single translation
+#[tauri::command]
+pub fn translate(key: &str) -> String {
+    i18n::t(key)
+}
+
+// Get current language
+#[tauri::command]
+pub fn get_current_language() -> String {
+    i18n::get_language()
+}
+
+// Set language and get new translations
+#[tauri::command]
+pub fn set_language(state: tauri::State<'_, AppState>, lang: &str) -> HashMap<String, String> {
+    // update i18n
+    i18n::set_language(lang);
+    
+    // also save to db
+    {
+        let mut settings = state.db.write();
+        settings.language = lang.to_string();
+    }
+    
+    // save to disk
+    let snapshot = state.db.read().clone();
+    if let Err(e) = jarvis_core::db::save_settings(&snapshot) {
+        log::error!("Failed to save settings: {}", e);
+    }
+    
+    // return new translations
+    i18n::get_all_translations()
+}
+
+// Get supported languages
+#[tauri::command]
+pub fn get_supported_languages() -> Vec<&'static str> {
+    i18n::SUPPORTED_LANGUAGES.to_vec()
+}

crates/jarvis-gui/tauri.conf.json

@@ -20,7 +20,7 @@
         "resizable": false,
         "title": "Jarvis Voice Assistant",
         "width": 550,
-        "height": 700
+        "height": 800
       }
     ]
   },