fix(i18n): 回退到稳定的 32% 覆盖率状态 (tsc + Vite 构建通过)

批量转换脚本引入的语法错误已回退，保留稳定的 i18n 转换:
- 翻译词典: 22 namespaces, 3600+ keys
- 已接入: 145+ 文件 (Dashboard/Login/K8s 主页面/Monitor/System/Deploy)
- 语言切换器在 Header 中可用 (🇨🇳/🇺🇸)
- tsc 零错误, Vite 构建成功

frontend/src/pages/monitor/host-monitor/ZoomableAreaChart.tsx

@@ -13,7 +13,6 @@ import {
 import { ChartToolbar } from './ChartToolbar';
 import { MonitorChartTooltip } from '../shared/monitorChartTheme';
 import { ChartRangeHint } from '../shared/ChartRangeHint';
-import { useTranslation } from 'react-i18next';
 
 export interface ChartSeries {
   dataKey: string;
@@ -89,7 +88,6 @@ function ChartBody({
   compact?: boolean;
   referenceLines?: ChartReferenceLine[];
 }) {
-  const { t } = useTranslation();
   return (
     <div style={{ height }} className="select-none w-full min-h-0">
       <ResponsiveContainer width="100%" height="100%">
@@ -193,7 +191,6 @@ export const ZoomableAreaChart = forwardRef<ZoomableChartHandle, Props>(function
   onZoomedChange,
   referenceLines,
 }, ref) {
-  const { t } = useTranslation();
   const uid = useId().replace(/:/g, '');
   const gradPrefix = `grad-${chartId}-${uid}`;
 
@@ -317,11 +314,11 @@ export const ZoomableAreaChart = forwardRef<ZoomableChartHandle, Props>(function
         <DialogContent className={dialogClass}>
           <DialogHeader className="shrink-0 flex-row items-start justify-between gap-4 space-y-0 pr-10">
             <div className="min-w-0">
-              <DialogTitle className="text-base truncate">{title || t('monitor.zoomableareachart.sdaf533')}</DialogTitle>
+              <DialogTitle className="text-base truncate">{title || '指标详情'}</DialogTitle>
               {subtitle && (
                 <p className="text-xs dg-text-muted mt-0.5 truncate">{subtitle}</p>
               )}
-              <DialogDescription className="sr-only">{t('monitor.zoomableareachart.s365f8f')}</DialogDescription>
+              <DialogDescription className="sr-only">放大查看监控指标趋势</DialogDescription>
             </div>
             <ChartToolbar
               size="md"