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/pages/SelectPage.tsx

@@ -26,8 +26,9 @@ import {
   AlertDialogTitle,
 } from "@/components/ui/alert-dialog";
 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 { usePageTitleWithConnection } from "@/hooks/usePageTitleWithConnection";
 
 type DacVolumeDirectConfirmLocale = NonNullable<
   NonNullable<(typeof localeZh)["dac"]>["dacVolumeDirectConfirm"]
@@ -98,10 +99,11 @@ export default function SelectPage() {
   const [saving, setSaving] = useState(false);
   const [volumeDirectConfirmIdx, setVolumeDirectConfirmIdx] = useState<1 | 2 | null>(null);
 
+  const pageTitle = usePageTitleWithConnection(state?.title ?? "");
+
   const volumeDirectConfirmText = useMemo((): DacVolumeDirectConfirmLocale => {
-    const lang = deviceState?.language;
-    const pack = lang === 0 ? localeEn : lang === 1 ? localeZhHK : localeZh;
-    return (pack.dac?.dacVolumeDirectConfirm ?? localeZh.dac!.dacVolumeDirectConfirm) as DacVolumeDirectConfirmLocale;
+    const pack = resolveLocalePack(deviceState?.language);
+    return (pack.dac?.dacVolumeDirectConfirm ?? localeEn.dac!.dacVolumeDirectConfirm) as DacVolumeDirectConfirmLocale;
   }, [deviceState?.language]);
 
   // Re-read global state whenever we enter /select (avoids stale key/options after remount)
@@ -172,7 +174,7 @@ export default function SelectPage() {
           className="mr-4 text-white/60 active:text-white transition-colors">
           <ChevronLeft size={24} />
         </button>
-        <h1 className="flex-1 text-center text-[17px] font-semibold text-white">{title}</h1>
+        <h1 className="flex-1 text-center text-[17px] font-semibold text-white">{pageTitle}</h1>
         <div className="w-8" />
       </div>