Commit 9f968be
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feat(i18n): Header 加匿名可用的 ZH/EN 语言切换按钮
之前切语言的唯一入口在 /settings 页,UserMenu 里只有登录用户能看到;
匿名访客看到的永远是默认 zh,站点对英语用户非常不友好。
新增 LocaleToggle client component,挂在 Header 右上 ThemeToggle 左边:
- 写 locale=zh|en 到 document.cookie(字段 / 格式 / 路径 / 一年有效期
与 SettingsForm 完全一致),登录用户在 /settings 改过的偏好不会被打乱
- 切完 router.refresh() 让 server component(Hero / docs 详情等)重新
按 cookie 渲染当前语言
- 初始 render 给默认值,useEffect 里读 cookie 覆盖,避免 hydration 警告
- 按 "ZH / EN" 样式展示,当前语言加粗
不做的事:
- 不搞 URL prefix(/zh/xxx、/en/xxx):现站点没有 i18n 路由分段,
硬改牵动路由 / sitemap / canonical 大量逻辑,留给后续专门做 SEO
双语 URL 的 PR
- 不读后端 user_preferences:登录用户在设置页改完也只是写同一条 cookie,
这里读 cookie 已经统一视图1 parent 6a72d76 commit 9f968be
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