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/kubernetes/PodFileBrowser.tsx

@@ -172,7 +172,7 @@ export function PodFileBrowser({
         <div className="flex items-center justify-between p-3 border-b border-[var(--dg-border)] shrink-0 gap-3">
           <div className="flex items-center gap-2 min-w-0 flex-1">
             <HardDrive className="h-4 w-4 shrink-0 dg-text-yellow" />
-            <span className="text-sm font-semibold text-[var(--dg-text-primary)] truncate" title={podName}>文件: {podName}</span>
+            <span className="text-sm font-semibold text-[var(--dg-text-primary)] truncate" title={podName}>{i18n.t("common.fileLabel")}: {podName}</span>
             <Badge variant="outline" className="border-[var(--dg-border)] dg-text-secondary text-[10px] shrink-0">{namespace}</Badge>
           </div>
           <div className="flex items-center gap-2">