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/components/monitor/log-center/LogDatasourceDialog.tsx

@@ -14,6 +14,7 @@ import { Loader2, Plug, RefreshCw } from 'lucide-react';
 import { useToast } from '@/hooks/use-toast';
 import { logCenterApi, type LogDataSource, type TestConnectionResult } from '@/api';
 import type { LogEngine } from './log-center-types';
+import { useTranslation } from 'react-i18next';
 
 export function LogDatasourceDialog({
   open, onOpenChange, engine, editing, onSaved,
@@ -24,6 +25,7 @@ export function LogDatasourceDialog({
   editing?: LogDataSource | null;
   onSaved: () => void;
 }) {
+  const { t } = useTranslation();
   const { toast } = useToast();
   const [name, setName] = useState('');
   const [url, setUrl] = useState('');
@@ -127,12 +129,12 @@ export function LogDatasourceDialog({
         : payload();
       const result: TestConnectionResult = await logCenterApi.testDatasource(data);
       if (result.status === 'ok') {
-        toast({ title: '连接成功' });
+        toast({ title: t('aiops.llmTestSuccess') });
       } else {
-        toast({ title: '连接失败', description: result.error || '未知错误', variant: 'destructive' });
+        toast({ title: t('aiops.llmTestFailed'), description: result.error || t('monitor.dashboard.agent.toast.unknownError'), variant: 'destructive' });
       }
     } catch (e: any) {
-      toast({ title: '连接失败', description: e?.message || String(e), variant: 'destructive' });
+      toast({ title: t('aiops.llmTestFailed'), description: e?.message || String(e), variant: 'destructive' });
     } finally {
       setTesting(false);
     }
@@ -147,11 +149,11 @@ export function LogDatasourceDialog({
       } else {
         await logCenterApi.createDatasource(payload());
       }
-      toast({ title: '已保存' });
+      toast({ title: t('deploy.toast.saved') });
       onOpenChange(false);
       onSaved();
     } catch (e: any) {
-      toast({ title: '保存失败', description: e?.message || String(e), variant: 'destructive' });
+      toast({ title: t('common.saveFailed'), description: e?.message || String(e), variant: 'destructive' });
     } finally {
       setSaving(false);
     }
@@ -162,7 +164,7 @@ export function LogDatasourceDialog({
       <DialogContent className="bg-[var(--dg-bg-secondary)] border-[var(--dg-border)] max-w-md max-h-[85vh] overflow-y-auto">
         <DialogHeader>
           <DialogTitle className="text-[var(--dg-text-primary)]">
-            {editing ? '编辑' : '添加'}{engine === 'loki' ? ' Loki' : ' Elasticsearch'} 数据源
+            {editing ? t('common.edit') : t('common.add')}{engine === 'loki' ? ' Loki' : ' Elasticsearch'} 数据源
           </DialogTitle>
           <DialogDescription className="text-[var(--dg-text-muted)]">
             仅保存连接信息，日志本体存储在您的 Loki / ES 集群
@@ -170,17 +172,17 @@ export function LogDatasourceDialog({
         </DialogHeader>
         <div className="space-y-3 py-1">
           <div>
-            <Label className="text-xs text-[var(--dg-text-muted)]">名称</Label>
+            <Label className="text-xs text-[var(--dg-text-muted)]">{t('common.name')}</Label>
             <Input value={name} onChange={e => setName(e.target.value)} className="mt-1 h-9 bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
           </div>
           <div>
-            <Label className="text-xs text-[var(--dg-text-muted)]">地址</Label>
+            <Label className="text-xs text-[var(--dg-text-muted)]">{t('common.address')}</Label>
             <Input value={url} onChange={e => setUrl(e.target.value)} placeholder="http://host:port" className="mt-1 h-9 font-mono text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
           </div>
           {engine === 'elasticsearch' && (
             <div>
               <div className="flex items-center justify-between">
-                <Label className="text-xs text-[var(--dg-text-muted)]">默认索引</Label>
+                <Label className="text-xs text-[var(--dg-text-muted)]">{t('monitor.logdatasourcedialog.s6621b5')}</Label>
                 <Button
                   variant="ghost"
                   size="sm"
@@ -210,7 +212,7 @@ export function LogDatasourceDialog({
                   获取索引
                 </Button>
               </div>
-              <Input value={defaultIndex} onChange={e => setDefaultIndex(e.target.value)} placeholder="索引名或通配符，如 .monitoring-es-7-*" className="mt-1 h-9 font-mono text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
+              <Input value={defaultIndex} onChange={e => setDefaultIndex(e.target.value)} placeholder=t('monitor.logdatasourcedialog.s606402') className="mt-1 h-9 font-mono text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
               {/* 已获取索引快捷选择（支持通配） // Logan.Li */}
               {indices.length > 0 && (
                 <div className="mt-2 flex flex-wrap gap-1 max-h-24 overflow-auto">
@@ -245,23 +247,23 @@ export function LogDatasourceDialog({
             </div>
           )}
           <div>
-            <Label className="text-xs text-[var(--dg-text-muted)]">认证方式</Label>
+            <Label className="text-xs text-[var(--dg-text-muted)]">{t('deploy.cred.authMethod')}</Label>
             <Select value={authType} onValueChange={(v) => setAuthType(v as LogDataSource['auth_type'])}>
               <SelectTrigger className="mt-1 h-9 w-full bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)] text-xs">
                 <SelectValue />
               </SelectTrigger>
               <SelectContent className="bg-[var(--dg-bg-secondary)] border-[var(--dg-border)]">
-                <SelectItem value="none" className="text-xs">无认证</SelectItem>
+                <SelectItem value="none" className="text-xs">{t('monitor.logdatasourcedialog.s7870c3')}</SelectItem>
                 <SelectItem value="basic" className="text-xs">Basic Auth</SelectItem>
                 <SelectItem value="bearer" className="text-xs">Bearer Token</SelectItem>
-                <SelectItem value="custom" className="text-xs">自定义 Headers</SelectItem>
+                <SelectItem value="custom" className="text-xs">{t('monitor.logdatasourcedialog.s2e7220')}</SelectItem>
               </SelectContent>
             </Select>
           </div>
           {authType === 'basic' && (
             <div className="grid grid-cols-2 gap-2">
-              <Input value={user} onChange={e => setUser(e.target.value)} placeholder="用户名" className="h-9 text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
-              <Input type="password" value={pass} onChange={e => setPass(e.target.value)} placeholder="密码" className="h-9 text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
+              <Input value={user} onChange={e => setUser(e.target.value)} placeholder=t('login.username') className="h-9 text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
+              <Input type="password" value={pass} onChange={e => setPass(e.target.value)} placeholder=t('login.password') className="h-9 text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
             </div>
           )}
           {authType === 'bearer' && (
@@ -277,23 +279,23 @@ export function LogDatasourceDialog({
                     const next = [...headers];
                     next[i].name = e.target.value;
                     setHeaders(next);
-                  }} placeholder="Header 名，如 X-Scope-OrgID" className="h-9 text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
+                  }} placeholder=t('monitor.logdatasourcedialog.sc7f8eb') className="h-9 text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
                   <Input value={h.value} onChange={e => {
                     const next = [...headers];
                     next[i].value = e.target.value;
                     setHeaders(next);
-                  }} placeholder="Header 值" className="h-9 text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
+                  }} placeholder=t('monitor.logdatasourcedialog.scf7126') className="h-9 text-xs bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]" />
                 </div>
               ))}
-              <Button variant="outline" size="sm" className="h-7 text-xs border-[var(--dg-border)]" onClick={() => setHeaders([...headers, { name: '', value: '' }])}>添加 Header</Button>
+              <Button variant="outline" size="sm" className="h-7 text-xs border-[var(--dg-border)]" onClick={() => setHeaders([...headers, { name: '', value: '' }])}>{t('monitor.logdatasourcedialog.s86a7a6')}</Button>
             </div>
           )}
           <div className="flex items-center justify-between">
-            <Label className="text-xs text-[var(--dg-text-muted)]">跳过 TLS 校验</Label>
+            <Label className="text-xs text-[var(--dg-text-muted)]">{t('monitor.logdatasourcedialog.sa441a8')}</Label>
             <Switch checked={skipTLS} onCheckedChange={setSkipTLS} />
           </div>
           <div className="flex items-center justify-between">
-            <Label className="text-xs text-[var(--dg-text-muted)]">设为默认</Label>
+            <Label className="text-xs text-[var(--dg-text-muted)]">{t('aiops.llmSetDefault')}</Label>
             <Switch checked={isDefault} onCheckedChange={setIsDefault} />
           </div>
         </div>