当设备未连接时，各页面默认显示英文语言的文本，并在标题追加 (Disconnect)

client/src/components/BottomNav.tsx

@@ -11,8 +11,8 @@ import { cn } from "@/lib/utils";
 import { readAndClearAiSplitRestorePath, useAIDrawer } from "@/contexts/AIDrawerContext";
 import { useIsLgUp } from "@/hooks/useIsLgUp";
 import localeZh from "@/locales/data-zh.json";
-import localeZhHK from "@/locales/data-zh-HK.json";
 import localeEn from "@/locales/data-en.json";
+import { resolveLocalePack } from "@/locales/resolveLocale";
 import {
   Activity,
   Bot,
@@ -49,10 +49,8 @@ export default function BottomNav() {
   const { deviceState } = useDevice();
 
   const navText = useMemo((): BottomNavLocale => {
-    const lang = deviceState?.language;
-    const pack =
-      lang === 0 ? localeEn : lang === 1 ? localeZhHK : localeZh;
-    return (pack.bottomNav ?? localeZh.bottomNav) as BottomNavLocale;
+    const pack = resolveLocalePack(deviceState?.language);
+    return (pack.bottomNav ?? localeEn.bottomNav) as BottomNavLocale;
   }, [deviceState?.language]);
 
   return (

client/src/components/ConnectionPlaceholder.tsx

@@ -14,9 +14,6 @@ function pickConnectLocale(): ConnectLocale {
   if (lang === "0") return localeEn.connect;
   if (lang === "1") return localeZhHK.connect;
   if (lang === "2") return localeZh.connect;
-  const nav = navigator.language.toLowerCase();
-  if (nav.startsWith("zh-hk") || nav.startsWith("zh-tw")) return localeZhHK.connect;
-  if (nav.startsWith("zh")) return localeZh.connect;
   return localeEn.connect;
 }
 

client/src/components/Sidebar.tsx

@@ -5,10 +5,8 @@
 import { useDevice } from "@/contexts/DeviceContext";
 import { cn } from "@/lib/utils";
 import {
-  Activity,
   Bluetooth,
   ChevronRight,
-  Cpu,
   Gauge,
   Layers,
   LayoutDashboard,
@@ -30,8 +28,6 @@ const NAV_ITEMS: NavItem[] = [
   { path: "/eq", icon: Sliders, label: "Parametric EQ" },
   { path: "/effects", icon: Layers, label: "Effects" },
   { path: "/bluetooth", icon: Bluetooth, label: "Bluetooth" },
-  { path: "/dsp", icon: Cpu, label: "DSP & DAC" },
-  { path: "/display", icon: Activity, label: "Display & Lights" },
   { path: "/system", icon: Settings, label: "System" },
 ];