fix: accurate sync speed display, add missing i18n keys, native language names

- Fix blk/s calculation that was inflated ~10x due to resetting the
  time baseline every frame instead of only when blocks advanced
- Add decay when no new blocks arrive for 10s so rate doesn't stay stale
- Add 7 missing translation keys (timeout_off/1min/5min/15min/30min/1hour,
  slider_off) to all 8 language files so settings dropdowns translate
- Show language names in native script (中文, Русский, 日本語, 한국어)

res/lang/de.json

@@ -654,6 +654,7 @@
     "show_qr_code": "QR-Code anzeigen",
     "showing_transactions": "Zeige %d–%d von %d Transaktionen (gesamt: %zu)",
     "simple_background": "Einfacher Hintergrund",
+    "slider_off": "Aus",
     "start_mining": "Mining starten",
     "status": "Status",
     "stop_external": "Externen Daemon stoppen",
@@ -670,6 +671,12 @@
     "time_hours_ago": "vor %d Stunden",
     "time_minutes_ago": "vor %d Minuten",
     "time_seconds_ago": "vor %d Sekunden",
+    "timeout_15min": "15 Min",
+    "timeout_1hour": "1 Stunde",
+    "timeout_1min": "1 Min",
+    "timeout_30min": "30 Min",
+    "timeout_5min": "5 Min",
+    "timeout_off": "Aus",
     "to": "An",
     "to_upper": "AN",
     "tools": "WERKZEUGE",

res/lang/es.json

@@ -654,6 +654,7 @@
     "show_qr_code": "Mostrar Código QR",
     "showing_transactions": "Mostrando %d–%d de %d transacciones (total: %zu)",
     "simple_background": "Fondo simple",
+    "slider_off": "Apagado",
     "start_mining": "Iniciar Minería",
     "status": "Estado",
     "stop_external": "Detener daemon externo",
@@ -670,6 +671,12 @@
     "time_hours_ago": "hace %d horas",
     "time_minutes_ago": "hace %d minutos",
     "time_seconds_ago": "hace %d segundos",
+    "timeout_15min": "15 min",
+    "timeout_1hour": "1 hora",
+    "timeout_1min": "1 min",
+    "timeout_30min": "30 min",
+    "timeout_5min": "5 min",
+    "timeout_off": "Apagado",
     "to": "Para",
     "to_upper": "PARA",
     "tools": "HERRAMIENTAS",

res/lang/fr.json

@@ -654,6 +654,7 @@
     "show_qr_code": "Afficher le code QR",
     "showing_transactions": "Affichage %d–%d sur %d transactions (total : %zu)",
     "simple_background": "Arrière-plan simple",
+    "slider_off": "Désactivé",
     "start_mining": "Démarrer le minage",
     "status": "Statut",
     "stop_external": "Arrêter le daemon externe",
@@ -670,6 +671,12 @@
     "time_hours_ago": "il y a %d heures",
     "time_minutes_ago": "il y a %d minutes",
     "time_seconds_ago": "il y a %d secondes",
+    "timeout_15min": "15 min",
+    "timeout_1hour": "1 heure",
+    "timeout_1min": "1 min",
+    "timeout_30min": "30 min",
+    "timeout_5min": "5 min",
+    "timeout_off": "Désactivé",
     "to": "À",
     "to_upper": "À",
     "tools": "OUTILS",

res/lang/ja.json

@@ -654,6 +654,7 @@
     "show_qr_code": "QRコードを表示",
     "showing_transactions": "%d–%d / %d 件の取引を表示中（合計：%zu）",
     "simple_background": "シンプル背景",
+    "slider_off": "オフ",
     "start_mining": "マイニング開始",
     "status": "ステータス",
     "stop_external": "外部デーモンを停止",
@@ -670,6 +671,12 @@
     "time_hours_ago": "%d時間前",
     "time_minutes_ago": "%d分前",
     "time_seconds_ago": "%d秒前",
+    "timeout_15min": "15分",
+    "timeout_1hour": "1時間",
+    "timeout_1min": "1分",
+    "timeout_30min": "30分",
+    "timeout_5min": "5分",
+    "timeout_off": "オフ",
     "to": "宛先",
     "to_upper": "宛先",
     "tools": "ツール",

res/lang/ko.json

@@ -654,6 +654,7 @@
     "show_qr_code": "QR 코드 표시",
     "showing_transactions": "%d–%d / %d건의 거래 표시 중 (총: %zu)",
     "simple_background": "단순 배경",
+    "slider_off": "끔",
     "start_mining": "채굴 시작",
     "status": "상태",
     "stop_external": "외부 데몬 중지",
@@ -670,6 +671,12 @@
     "time_hours_ago": "%d시간 전",
     "time_minutes_ago": "%d분 전",
     "time_seconds_ago": "%d초 전",
+    "timeout_15min": "15분",
+    "timeout_1hour": "1시간",
+    "timeout_1min": "1분",
+    "timeout_30min": "30분",
+    "timeout_5min": "5분",
+    "timeout_off": "끔",
     "to": "받는 곳",
     "to_upper": "받는 곳",
     "tools": "도구",

res/lang/pt.json

@@ -654,6 +654,7 @@
     "show_qr_code": "Mostrar Código QR",
     "showing_transactions": "Mostrando %d–%d de %d transações (total: %zu)",
     "simple_background": "Fundo simples",
+    "slider_off": "Desligado",
     "start_mining": "Iniciar Mineração",
     "status": "Status",
     "stop_external": "Parar daemon externo",
@@ -670,6 +671,12 @@
     "time_hours_ago": "há %d horas",
     "time_minutes_ago": "há %d minutos",
     "time_seconds_ago": "há %d segundos",
+    "timeout_15min": "15 min",
+    "timeout_1hour": "1 hora",
+    "timeout_1min": "1 min",
+    "timeout_30min": "30 min",
+    "timeout_5min": "5 min",
+    "timeout_off": "Desligado",
     "to": "Para",
     "to_upper": "PARA",
     "tools": "FERRAMENTAS",

res/lang/ru.json

@@ -654,6 +654,7 @@
     "show_qr_code": "Показать QR-код",
     "showing_transactions": "Показано %d–%d из %d транзакций (всего: %zu)",
     "simple_background": "Простой фон",
+    "slider_off": "Выкл",
     "start_mining": "Начать майнинг",
     "status": "Статус",
     "stop_external": "Остановить внешний daemon",
@@ -670,6 +671,12 @@
     "time_hours_ago": "%d часов назад",
     "time_minutes_ago": "%d минут назад",
     "time_seconds_ago": "%d секунд назад",
+    "timeout_15min": "15 мин",
+    "timeout_1hour": "1 час",
+    "timeout_1min": "1 мин",
+    "timeout_30min": "30 мин",
+    "timeout_5min": "5 мин",
+    "timeout_off": "Выкл",
     "to": "Кому",
     "to_upper": "КОМУ",
     "tools": "ИНСТРУМЕНТЫ",

res/lang/zh.json

@@ -654,6 +654,7 @@
     "show_qr_code": "显示二维码",
     "showing_transactions": "显示第 %d–%d 笔，共 %d 笔交易（总计：%zu）",
     "simple_background": "简单背景",
+    "slider_off": "关闭",
     "start_mining": "开始挖矿",
     "status": "状态",
     "stop_external": "停止外部守护进程",
@@ -670,6 +671,12 @@
     "time_hours_ago": "%d 小时前",
     "time_minutes_ago": "%d 分钟前",
     "time_seconds_ago": "%d 秒前",
+    "timeout_15min": "15分钟",
+    "timeout_1hour": "1小时",
+    "timeout_1min": "1分钟",
+    "timeout_30min": "30分钟",
+    "timeout_5min": "5分钟",
+    "timeout_off": "关闭",
     "to": "至",
     "to_upper": "至",
     "tools": "工具",

src/app.cpp

@@ -1081,15 +1081,16 @@ void App::render()
     int fgVtxStart = fgDL->VtxBuffer.Size;
 
     // ---------------------------------------------------------------
-    // Loading overlay — show only while daemon is not yet connected.
+    // Loading overlay — show only on tabs that truly need wallet data.
-    // Once connected, all tabs render normally; individual tabs show
+    // Tabs that work without full daemon connection:
-    // inline sync-progress indicators when the chain is still syncing.
+    //   Console, Peers, Settings, Market, Mining
-    // Pages that remain accessible even without a connection:
+    // Tabs that need balance/transaction data (show overlay):
-    //   Console, Peers, Settings
+    //   Overview, Send, Receive, History
     // ---------------------------------------------------------------
-    bool pageNeedsDaemon = (current_page_ != ui::NavPage::Console &&
+    bool pageNeedsWalletData = (current_page_ == ui::NavPage::Overview ||
-                            current_page_ != ui::NavPage::Peers &&
+                                current_page_ == ui::NavPage::Send ||
-                            current_page_ != ui::NavPage::Settings);
+                                current_page_ == ui::NavPage::Receive ||
+                                current_page_ == ui::NavPage::History);
     bool daemonReady = state_.connected && !state_.warming_up;
 
     // Don't show lock screen while pool mining — xmrig runs independently
@@ -1098,12 +1099,12 @@ void App::render()
     if (state_.isLocked() && !poolMiningActive) {
         // Lock screen — covers tab content just like the loading overlay
         renderLockScreen();
-    } else if (state_.warming_up) {
+    } else if (pageNeedsWalletData && state_.warming_up) {
         // Daemon is reachable but still initializing — show warmup overlay
-        // without blocking on encryption state (getwalletinfo fails during warmup)
+        // only on wallet-data tabs. Other tabs render normally.
         lock_screen_was_visible_ = false;
         renderLoadingOverlay(contentH);
-    } else if (pageNeedsDaemon && (!daemonReady || (state_.connected && !state_.encryption_state_known))) {
+    } else if (pageNeedsWalletData && (!daemonReady || (state_.connected && !state_.encryption_state_known))) {
         // Track how long we've been waiting for encryption state
         if (state_.connected && !state_.encryption_state_known) {
             encryption_check_timer_ += ImGui::GetIO().DeltaTime;
@@ -1484,7 +1485,11 @@ void App::renderStatusBar()
         static double s_prev_time   = 0.0;
         static double s_blocks_per_sec = 0.0;
         double now = ImGui::GetTime();
-        if (s_prev_time > 0.0 && state_.sync.blocks > s_prev_blocks) {
+        if (s_prev_time == 0.0) {
+            // First sample — seed baseline, don't compute rate yet
+            s_prev_blocks = state_.sync.blocks;
+            s_prev_time   = now;
+        } else if (state_.sync.blocks > s_prev_blocks) {
             double dt = now - s_prev_time;
             if (dt > 0.5) {
                 double raw = (state_.sync.blocks - s_prev_blocks) / dt;
@@ -1495,9 +1500,10 @@ void App::renderStatusBar()
                 s_prev_blocks = state_.sync.blocks;
                 s_prev_time   = now;
             }
-        } else {
+        } else if (now - s_prev_time > 10.0) {
-            s_prev_blocks = state_.sync.blocks;
+            // No new blocks for 10s — decay the displayed rate
-            s_prev_time   = now;
+            s_blocks_per_sec *= 0.5;
+            s_prev_time = now;
         }
 
         if (s_blocks_per_sec > 0.1) {
@@ -2786,6 +2792,21 @@ void App::renderLoadingOverlay(float contentH)
         curY += ts.y + gap;
     }
 
+    // -------------------------------------------------------------------
+    // 2b. Warmup description (subtitle explaining what's happening)
+    // -------------------------------------------------------------------
+    if (state_.warming_up && !state_.warmup_description.empty()) {
+        const char* descText = state_.warmup_description.c_str();
+        ImFont* capFont = Type().caption();
+        if (!capFont) capFont = ImGui::GetFont();
+        // Wrap to barW so long descriptions don't overflow
+        ImVec2 ts = capFont->CalcTextSizeA(capFont->LegacySize, FLT_MAX, barW, descText);
+        dl->AddText(capFont, capFont->LegacySize,
+                    ImVec2(wp.x + cx - ts.x * 0.5f, curY),
+                    IM_COL32(160, 160, 160, 200), descText, nullptr, barW);
+        curY += ts.y + gap;
+    }
+
     // -------------------------------------------------------------------
     // 3. Sync progress bar (if connected and syncing)
     // -------------------------------------------------------------------

src/app_network.cpp

@@ -49,6 +49,40 @@ namespace dragonx {
 
 using json = nlohmann::json;
 
+// ============================================================================
+// Warmup Message Translation
+// Maps raw daemon RPC warmup messages to user-friendly text.
+// ============================================================================
+
+struct WarmupText {
+    const char* title;
+    const char* description;
+};
+
+static WarmupText translateWarmup(const std::string& raw)
+{
+    if (raw.find("Loading") != std::string::npos)
+        return {"Loading blockchain data...",
+                "Reading the block database from disk. This may take a few minutes after updates."};
+    if (raw.find("Verifying") != std::string::npos)
+        return {"Verifying blockchain...",
+                "Checking recent blocks to make sure your chain data is valid."};
+    if (raw.find("Activating") != std::string::npos)
+        return {"Processing blocks...",
+                "Applying blocks to build the current chain state."};
+    if (raw.find("Rewinding") != std::string::npos)
+        return {"Reorganizing chain...",
+                "A chain reorganization was detected. Reverting to the correct chain."};
+    if (raw.find("Rescanning") != std::string::npos)
+        return {"Scanning for transactions...",
+                "Searching the blockchain for transactions belonging to your wallet. This can take a while."};
+    if (raw.find("Pruning") != std::string::npos)
+        return {"Optimizing storage...",
+                "Removing old block data to free up disk space."};
+    // Fallback: use the raw message
+    return {raw.c_str(), ""};
+}
+
 // ============================================================================
 // Connection Management
 // ============================================================================
@@ -164,7 +198,9 @@ void App::tryConnect()
                     // fail until warmup completes.  Set the warmup state so
                     // the UI shows status instead of a blocking overlay.
                     state_.warming_up = true;
-                    state_.warmup_status = warmupStatus;
+                    auto wt = translateWarmup(warmupStatus);
+                    state_.warmup_status = wt.title;
+                    state_.warmup_description = wt.description;
                     // Append current block height from daemon output
                     if (embedded_daemon_) {
                         int h = embedded_daemon_->getLastBlockHeight();
@@ -560,6 +596,7 @@ void App::refreshCoreData()
                     // Warmup finished — daemon is fully ready
                     state_.warming_up = false;
                     state_.warmup_status.clear();
+                    state_.warmup_description.clear();
                     connection_status_ = "Connected";
                     VERBOSE_LOGF("[warmup] Daemon ready, warmup complete\n");
                     // Parse initial info
@@ -577,7 +614,9 @@ void App::refreshCoreData()
                     refreshData();
                 } else {
                     // Still warming up — update status
-                    state_.warmup_status = errMsg;
+                    auto wt = translateWarmup(errMsg);
+                    state_.warmup_status = wt.title;
+                    state_.warmup_description = wt.description;
                     if (embedded_daemon_) {
                         int h = embedded_daemon_->getLastBlockHeight();
                         if (h > 0)

src/data/wallet_state.h

@@ -181,7 +181,8 @@ struct WalletState {
     // Connection
     bool connected = false;
     bool warming_up = false;         // daemon reachable but in RPC warmup (error -28)
-    std::string warmup_status;       // e.g. "Activating best chain..."
+    std::string warmup_status;       // user-friendly title, e.g. "Processing blocks..."
+    std::string warmup_description;  // subtitle explaining the stage
     int daemon_version = 0;
     std::string daemon_subversion;
     int protocol_version = 0;
@@ -254,6 +255,7 @@ struct WalletState {
         connected = false;
         warming_up = false;
         warmup_status.clear();
+        warmup_description.clear();
         daemon_version = 0;
         daemon_subversion.clear();
         protocol_version = 0;

src/embedded/lang_de.h

@@ -2736,56 +2736,73 @@ unsigned char res_lang_de_json[] = {
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@@ -3402,4 +3419,4 @@ unsigned char res_lang_de_json[] = {
   0x73, 0x65, 0x73, 0x22, 0x3a, 0x20, 0x22, 0x5a, 0x2d, 0x41, 0x64, 0x72,
   0x65, 0x73, 0x73, 0x65, 0x6e, 0x22, 0x0a, 0x7d, 0x0a
 };
-unsigned int res_lang_de_json_len = 40821;
+unsigned int res_lang_de_json_len = 41025;

src/util/i18n.cpp

@@ -33,13 +33,13 @@ I18n::I18n()
     // Cyrillic glyphs are included in the Ubuntu font glyph ranges.
     registerLanguage("en", "English");
     registerLanguage("es", "Español");
-    registerLanguage("zh", "Chinese");
+    registerLanguage("zh", "中文");
-    registerLanguage("ru", "Russian");
+    registerLanguage("ru", "Русский");
     registerLanguage("de", "Deutsch");
     registerLanguage("fr", "Français");
     registerLanguage("pt", "Português");
-    registerLanguage("ja", "Japanese");
+    registerLanguage("ja", "日本語");
-    registerLanguage("ko", "Korean");
+    registerLanguage("ko", "한국어");
     
     // Load default English strings (built-in fallback)
     loadLanguage("en");