feat(i18n): 安全批量转换 135 文件 — 覆盖率 34%→62%

使用 i18n.t() 全局方式（避免 hook 定位问题）:
- 288 目标文件中 135 个成功转换
- 2228 处中文替换为 i18n.t() 调用
- 1006 个新翻译 key 添加到 zh-CN.json + en-US.json
- 词典总量: 3554 keys (22 namespaces)
- tsc 零错误 + Vite 构建成功
- 6 个含代码示例/数据字符串的文件安全回退

frontend/src/components/monitor/log-center/SavedQueriesPanel.tsx

@@ -3,6 +3,7 @@ import { X, Trash2, Play, Bookmark, Clock } from 'lucide-react';
 import type { SavedQuery } from './types-v3';
 import { savedQueryStorage } from './types-v3';
 import { ENGINE_META } from './types-v3';
+import i18n from '@/i18n';
 
 interface Props {
   visible: boolean;
@@ -30,7 +31,7 @@ export function SavedQueriesPanel({ visible, onClose, onSelect }: Props) {
         <div className="flex items-center justify-between px-4 py-3 border-b" style={{ borderColor: 'var(--dg-border)' }}>
           <div className="flex items-center gap-2">
             <Bookmark className="h-4 w-4" style={{ color: 'var(--dg-blue)' }} />
-            <span className="text-sm font-medium" style={{ color: 'var(--dg-text-primary)' }}>已保存查询</span>
+            <span className="text-sm font-medium" style={{ color: 'var(--dg-text-primary)' }}> {i18n.t('monitor.logPanel.savedQueries')} </span>
             <span className="text-[10px] px-1.5 py-0.5 rounded" style={{ background: 'var(--dg-bg-tertiary)', color: 'var(--dg-text-muted)' }}>
               {items.length}
             </span>
@@ -41,7 +42,7 @@ export function SavedQueriesPanel({ visible, onClose, onSelect }: Props) {
         </div>
         <div className="flex-1 overflow-y-auto p-3 space-y-2">
           {items.length === 0 ? (
-            <p className="text-xs text-center py-8" style={{ color: 'var(--dg-text-muted)' }}>暂无保存的查询</p>
+            <p className="text-xs text-center py-8" style={{ color: 'var(--dg-text-muted)' }}> {i18n.t('monitor.savedqueriespan.s9c8dc62b')} </p>
           ) : items.map((item) => (
             <div
               key={item.id}
@@ -65,7 +66,7 @@ export function SavedQueriesPanel({ visible, onClose, onSelect }: Props) {
                     onClick={() => { onSelect(item); onClose(); }}
                     className="h-7 w-7 flex items-center justify-center rounded border"
                     style={{ borderColor: 'var(--dg-border)', color: '#22c55e' }}
-                    title="应用"
+                    title={i18n.t('kubernetes.yaml.apply')}
                   >
                     <Play className="h-3.5 w-3.5" />
                   </button>
@@ -73,7 +74,7 @@ export function SavedQueriesPanel({ visible, onClose, onSelect }: Props) {
                     onClick={() => { savedQueryStorage.remove(item.id); setItems(savedQueryStorage.getAll()); }}
                     className="h-7 w-7 flex items-center justify-center rounded border"
                     style={{ borderColor: 'var(--dg-border)', color: 'var(--dg-text-muted)' }}
-                    title="删除"
+                    title={i18n.t('kubernetes.storage.delete2')}
                   >
                     <Trash2 className="h-3.5 w-3.5" />
                   </button>