Update logo, move translations, update electron building.

src/ui/Desktop/User/LanguageSwitcher.tsx

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+// Language switcher component for changing UI language
+import React from 'react';
+import { useTranslation } from 'react-i18next';
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from '@/components/ui/select.tsx';
+import { Globe } from 'lucide-react';
+
+const languages = [
+  { code: 'en', name: 'English', nativeName: 'English' },
+  { code: 'zh', name: 'Chinese', nativeName: '中文' },
+];
+
+export function LanguageSwitcher() {
+  const { i18n, t } = useTranslation();
+
+  const handleLanguageChange = (value: string) => {
+    i18n.changeLanguage(value);
+    // Save to localStorage for persistence
+    localStorage.setItem('i18nextLng', value);
+  };
+
+  return (
+    <div className="flex items-center gap-2 relative z-[99999]">
+      <Globe className="h-4 w-4 text-muted-foreground" />
+      <Select value={i18n.language} onValueChange={handleLanguageChange}>
+        <SelectTrigger className="w-[120px]">
+          <SelectValue placeholder={t('placeholders.language')} />
+        </SelectTrigger>
+        <SelectContent className="z-[99999]">
+          {languages.map((lang) => (
+            <SelectItem key={lang.code} value={lang.code}>
+              {lang.nativeName}
+            </SelectItem>
+          ))}
+        </SelectContent>
+      </Select>
+    </div>
+  );
+}