style: format LanguageSwitcher.jsx with Prettier

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: beihaili

src/components/LanguageSwitcher.jsx

@@ -22,7 +22,8 @@ export default function LanguageSwitcher() {
       onClick={toggleLang}
       aria-label={lang === 'zh' ? 'Switch to English' : '切换中文'}
       className="flex items-center gap-1 rounded-lg px-2 py-1 text-sm text-slate-400 transition-colors hover:bg-slate-800 hover:text-white"
-      title={lang === 'zh' ? 'Switch to English' : '切换中文'}>
+      title={lang === 'zh' ? 'Switch to English' : '切换中文'}
+    >
       <Globe className="h-4 w-4" />
       <span>{lang === 'zh' ? 'EN' : '\u4e2d\u6587'}</span>
     </button>