refactor(i18n): U37 全量 JSX 文本节点硬编码中文清零 — 65 文件 151 处→0, 新增 common.* 98 翻译键, zh/en 对齐, tsc -b=0, npm build✓ (17.96s), ESLint=0/43/any=0, go build=0, 17/17 测试通过

frontend/src/components/server/ServerFileBrowser.tsx

@@ -163,7 +163,7 @@ export function ServerFileBrowser({ open, onOpenChange, serverId, serverName }:
           : { maxWidth: '95vw', width: '1100px', maxHeight: '92vh' }
         }
       >
-        <DialogTitle className="sr-only">文件浏览 — {serverName}</DialogTitle>
+        <DialogTitle className="sr-only">{i18n.t("common.fileBrowse")} — {serverName}</DialogTitle>
         <DialogDescription className="sr-only">SFTP 文件管理 · 上传 · 下载 · 删除</DialogDescription>
 
         {/* Header */}
@@ -196,7 +196,7 @@ export function ServerFileBrowser({ open, onOpenChange, serverId, serverName }:
         <div className="flex items-center gap-2 px-4 py-2 border-b border-[var(--dg-border)] bg-[var(--dg-bg-primary)] shrink-0">
           <Button variant="outline" size="sm" className="border-[var(--dg-border)] h-8"
             onClick={() => fetchDir(currentPath)}>
-            <RefreshCw className="h-3.5 w-3.5 mr-1" />刷新
+            <RefreshCw className="h-3.5 w-3.5 mr-1" />{i18n.t("common.refresh")}
           </Button>
           <label>
             <Button variant="outline" size="sm" className="border-[var(--dg-border)] h-8 cursor-pointer"
@@ -208,7 +208,7 @@ export function ServerFileBrowser({ open, onOpenChange, serverId, serverName }:
           </label>
           <Button variant="outline" size="sm" className="border-[var(--dg-border)] h-8"
             onClick={handleMkdir}>
-            <FolderPlus className="h-3.5 w-3.5 mr-1" />新建目录
+            <FolderPlus className="h-3.5 w-3.5 mr-1" />{i18n.t("common.newDir")}
           </Button>
           {error && (
             <Badge variant="outline" className="border-red-500/30 dg-text-red ml-auto">

frontend/src/components/server/TerminalDialog.tsx

@@ -221,7 +221,7 @@ export function TerminalDialog({
             : { maxWidth: "960px", width: "92vw" }
         }
       >
-        <DialogTitle className="sr-only">终端 - {serverName}</DialogTitle>
+        <DialogTitle className="sr-only">{t("common.podLogs")} - {serverName}</DialogTitle>
         <DialogDescription className="sr-only">SSH 终端连接</DialogDescription>
         {/* 终端头部 */}
         <div className="flex items-center justify-between px-4 py-2 border-b border-[var(--dg-border)]">