Complete Chinese localization for remaining UI components

- Add comprehensive Chinese translations for Host Manager component
  - Translate all form labels, buttons, and descriptions
  - Add translations for SSH configuration warnings and instructions
  - Localize tunnel connection settings and port forwarding options

- Localize SSH Tools panel
  - Translate key recording functionality
  - Add translations for settings and configuration options

- Translate homepage welcome messages and navigation elements
  - Add Chinese translations for login success messages
  - Localize "Updates & Releases" section title
  - Translate sidebar "Host Manager" button

- Fix translation key display issues
  - Remove duplicate translation keys in both language files
  - Ensure all components properly reference translation keys
  - Fix hosts.tunnelConnections key mapping

This completes the full Chinese localization of the Termix application,
achieving near 100% UI translation coverage while maintaining English
as the default language.

src/ui/Homepage/HompageUpdateLog.tsx

@@ -3,6 +3,7 @@ import {Alert, AlertDescription, AlertTitle} from "@/components/ui/alert.tsx";
 import {Button} from "@/components/ui/button.tsx";
 import {Separator} from "@/components/ui/separator.tsx";
 import { getReleasesRSS, getVersionInfo } from "@/ui/main-axios.ts";
+import {useTranslation} from "react-i18next";
 
 interface HomepageUpdateLogProps extends React.ComponentProps<"div"> {
     loggedIn: boolean;
@@ -51,6 +52,7 @@ interface VersionResponse {
 }
 
 export function HomepageUpdateLog({loggedIn}: HomepageUpdateLogProps) {
+    const {t} = useTranslation();
     const [releases, setReleases] = useState<RSSResponse | null>(null);
     const [versionInfo, setVersionInfo] = useState<VersionResponse | null>(null);
     const [loading, setLoading] = useState(false);
@@ -90,7 +92,7 @@ export function HomepageUpdateLog({loggedIn}: HomepageUpdateLogProps) {
     return (
         <div className="w-[400px] h-[600px] flex flex-col border-2 border-[#303032] rounded-lg bg-[#18181b] p-4 shadow-lg">
             <div>
-                <h3 className="text-lg font-bold mb-3 text-white">Updates & Releases</h3>
+                <h3 className="text-lg font-bold mb-3 text-white">{t('common.updatesAndReleases')}</h3>
 
                 <Separator className="p-0.25 mt-3 mb-3 bg-[#303032]"/>