refactor: 删除部分多余的代码和注释

web/src/i18n/index.ts

@@ -2,7 +2,6 @@ import { createI18n } from 'vue-i18n'
 import zhCN from './zh-CN'
 import enUS from './en-US'
 
-// Supported languages
 export const supportedLanguages = [
   { code: 'zh-CN', name: '中文', flag: '🇨🇳' },
   { code: 'en-US', name: 'English', flag: '🇺🇸' },
@@ -10,33 +9,26 @@ export const supportedLanguages = [
 
 export type SupportedLocale = (typeof supportedLanguages)[number]['code']
 
-// Detect browser language with improved logic
 function detectLanguage(): SupportedLocale {
-  // 1. Check localStorage for saved preference
   const stored = localStorage.getItem('language')
   if (stored && supportedLanguages.some((l) => l.code === stored)) {
     return stored as SupportedLocale
   }
 
-  // 2. Check browser language list (navigator.languages is more comprehensive)
   const languages = navigator.languages || [navigator.language]
   for (const lang of languages) {
     const normalizedLang = lang.toLowerCase()
-    // Check for Chinese variants (zh, zh-CN, zh-TW, zh-HK, etc.)
     if (normalizedLang.startsWith('zh')) {
       return 'zh-CN'
     }
-    // Check for English variants
     if (normalizedLang.startsWith('en')) {
       return 'en-US'
     }
   }
 
-  // 3. Default to English
   return 'en-US'
 }
 
-// Initialize language and set HTML lang attribute
 function initializeLanguage(): SupportedLocale {
   const lang = detectLanguage()
   document.documentElement.setAttribute('lang', lang)