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/EQPage.tsx

@@ -29,8 +29,9 @@ import {
 } from "@/lib/luxsinApi";
 import { getFilterType, getFilterShortName } from "@/lib/peqAudio";
 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";
 import { FreqChart } from "./eq/components/FreqChart";
 import { CyanSlider, IOSToggle } from "./eq/components/EqPrimitives";
 import { BandParamDialog } from "./eq/components/BandParamDialog";
@@ -95,18 +96,18 @@ export default function EQPage() {
   const eqOn = peqOn && !bypassOn;
 
   const eqUi = useMemo((): PeqEqUi => {
-    const lang = deviceState?.language;
-    const pack = lang === 0 ? localeEn : lang === 1 ? localeZhHK : localeZh;
+    const pack = resolveLocalePack(deviceState?.language);
     const peq = pack.peq as typeof localeZh.peq;
-    return (peq.eqUi ?? (localeZh.peq as typeof localeZh.peq).eqUi) as PeqEqUi;
+    return (peq.eqUi ?? (localeEn.peq as typeof localeEn.peq).eqUi) as PeqEqUi;
   }, [deviceState?.language]);
 
   const peqCardLabels = useMemo(() => {
-    const lang = deviceState?.language;
-    const pack = lang === 0 ? localeEn : lang === 1 ? localeZhHK : localeZh;
-    return pack.peq ?? localeZh.peq;
+    const pack = resolveLocalePack(deviceState?.language);
+    return pack.peq ?? localeEn.peq;
   }, [deviceState?.language]);
 
+  const eqPageTitle = usePageTitleWithConnection("HP-EQ");
+
   const [bandsByMode, setBandsByMode] = useState<Record<"A" | "B", typeof DEFAULT_BANDS>>({
     A: cloneBands(DEFAULT_BANDS),
     B: cloneBands(DEFAULT_BANDS),
@@ -1310,7 +1311,7 @@ export default function EQPage() {
           <button onClick={() => setLocation("/")} 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">HP-EQ</h1>
+          <h1 className="flex-1 text-center text-[17px] font-semibold text-white">{eqPageTitle}</h1>
           <IOSToggle
             checked={eqOn}
             onChange={(v) => {