feat(i18n): 剩余模块全量国际化 — 51% 覆盖率 (231 文件接入 t())

批量转换 163 个文件，3204 处中文替换为 t() 调用：
- Monitor: 日志中心/告警中心/数据源/大屏/站点拨测/SNMP/中间件 全部转换
- Kubernetes: ResourceVisualEditor/NamespaceResourcePage/拓扑/事件 全部转换
- Deploy: 流水线/发布/凭证/RBAC 全部转换
- Server/Cloud/Agent/Task/Layout/UI: 全部转换
- 翻译词典扩展至 6474 行 (22 namespaces, 5000+ keys)
- tsc 编译零错误

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

@@ -13,6 +13,7 @@ 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;
@@ -88,6 +89,7 @@ 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%">
@@ -191,6 +193,7 @@ export const ZoomableAreaChart = forwardRef<ZoomableChartHandle, Props>(function
   onZoomedChange,
   referenceLines,
 }, ref) {
+  const { t } = useTranslation();
   const uid = useId().replace(/:/g, '');
   const gradPrefix = `grad-${chartId}-${uid}`;
 
@@ -314,11 +317,11 @@ 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 || '指标详情'}</DialogTitle>
+              <DialogTitle className="text-base truncate">{title || t('monitor.zoomableareachart.sdaf533')}</DialogTitle>
               {subtitle && (
                 <p className="text-xs dg-text-muted mt-0.5 truncate">{subtitle}</p>
               )}
-              <DialogDescription className="sr-only">放大查看监控指标趋势</DialogDescription>
+              <DialogDescription className="sr-only">{t('monitor.zoomableareachart.s365f8f')}</DialogDescription>
             </div>
             <ChartToolbar
               size="md"