Multilingual support via Fluent + Frontend improvements + Rewrite of ArcReactor

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()
+}