refactor(i18n): U40 Monitor + Agent 子组件残余硬编码中文 i18n 补全 — 14 文件 ~50 处→0

- ContextSwitchCard: CTX/IRQ/次 → t()
- ProcessTable: agentWaitData/cpuUsagePercent → t()
- FDUsageCard: fdHandles → t()
- PortMonitorTab: 黑名单/白名单/策略配置/暂无端口数据 → t()
- PortPolicyDialog: 白名单全量上报/黑名单仅上报/端口列表/逗号分隔/白名单无需配置/已输入端口 → t()
- HostTimeRangePicker: 时间范围/自定义/取消/应用 → t()
- DualLineChart: 接收/发送 → t(), i18n.t→useTranslation hook
- ZoomableAreaChart: 暂无数据 → t()
- SiteResultsPanel: 选择任务/次/可用率/立即拨测/SSL证书预警/到期/剩余/阈值/天 → t()
- MiddlewareMonitor: Redis单机集群/上次更新/添加平台默认/暂无实例 → t()
- SiteMonitor: subtitle → t()
- SNMPMonitor: 标题/采集间隔/IP地址/OID模板/SNMP版本/确认/暂无设备/采集指标/暂无指标 → t()
- HealthProbeSection: TCP目标地址/TCP端口 → t()
- AgentAlerts: Agent告警/刷新/未恢复/已恢复/恢复/新建规则/创建第一条规则 → i18n.t()

新增 monitor.lbl 46 语义化翻译键 + agent.alerts 6 键
zh/en 7762→7814 对齐
tsc -b=0, npm build✓ (16.88s), ESLint=0/43/any=0, go build=0, 17/17 测试通过

frontend/src/components/agent/AgentAlerts.tsx

@@ -113,12 +113,12 @@ export function AgentAlerts() {
       {/* 页头 */}
       <div className="flex items-center justify-between">
         <div>
-          <h2 className="text-xl font-semibold text-[var(--dg-text-primary)]">Agent 告警</h2>
+          <h2 className="text-xl font-semibold text-[var(--dg-text-primary)]">{i18n.t('agent.alerts.title')}</h2>
           <p className="text-sm dg-text-secondary mt-0.5"> {i18n.t('agent.alerts.thresholdTriggered')} </p>
         </div>
         <Button variant="outline" size="sm" onClick={loadData} disabled={loading} className="dg-input text-[var(--dg-text-secondary)] hover:bg-[var(--dg-bg-hover)]">
           <RefreshCw className={`h-4 w-4 mr-1.5 ${loading ? 'animate-spin' : ''}`} />
-          刷新
+          {i18n.t('common.refresh')}
         </Button>
       </div>
 
@@ -137,7 +137,7 @@ export function AgentAlerts() {
               onClick={() => setResolvedView(false)}
               className={!resolvedView ? 'bg-blue-600 hover:bg-blue-700 text-white' : 'dg-input text-[var(--dg-text-secondary)]'}
             >
-              未恢复
+              {i18n.t('agent.alerts.unresolved')}
             </Button>
             <Button
               size="sm"
@@ -145,7 +145,7 @@ export function AgentAlerts() {
               onClick={() => setResolvedView(true)}
               className={resolvedView ? 'bg-blue-600 hover:bg-blue-700 text-white' : 'dg-input text-[var(--dg-text-secondary)]'}
             >
-              已恢复
+              {i18n.t('agent.alerts.resolved')}
             </Button>
           </div>
 
@@ -207,7 +207,7 @@ export function AgentAlerts() {
                           className="shrink-0 h-8 dg-input dg-text-green hover:bg-emerald-500/10 hover:dg-text-green"
                         >
                           <CheckCircle className="h-3.5 w-3.5 mr-1" />
-                          恢复
+                          {i18n.t('agent.alerts.resolve')}
                         </Button>
                       )}
                     </div>
@@ -223,7 +223,7 @@ export function AgentAlerts() {
           <div className="flex justify-end">
             <Button size="sm" onClick={openCreateRule} className="bg-blue-600 hover:bg-blue-700 text-white">
               <Plus className="h-4 w-4 mr-1.5" />
-              新建规则
+              {i18n.t('agent.alerts.newRule')}
             </Button>
           </div>
 
@@ -241,7 +241,7 @@ export function AgentAlerts() {
                 <p className="dg-text-secondary"> {i18n.t('monitor.noRules')} </p>
                 <Button size="sm" onClick={openCreateRule} className="mt-4 bg-blue-600 hover:bg-blue-700 text-white">
                   <Plus className="h-4 w-4 mr-1.5" />
-                  创建第一条规则
+                  {i18n.t('agent.alerts.createFirstRule')}
                 </Button>
               </CardContent>
             </Card>

frontend/src/locales/en-US.json

@@ -4377,7 +4377,53 @@
       "noProbeHint": "No health probes. Click \"{{action}}\" to create one.",
       "searchFields": "Search fields",
       "receiveSend": "RX {{rx}} · TX {{tx}}",
-      "currentFDUsage": "Current {{pct}}%"
+      "currentFDUsage": "Current {{pct}}%",
+      "ctxPerSec": "CTX switches/sec",
+      "irqPerSec": "IRQ interrupts/sec",
+      "times": "times",
+      "agentWaitData": "Agent v2.0+ required, waiting for data…",
+      "cpuUsagePercent": "CPU Usage(%)",
+      "fdHandles": "FD File Handles",
+      "blacklistLabel": "Blacklist",
+      "whitelistModeLabel": "Whitelist mode",
+      "policyConfig": "Policy Config",
+      "noPortData": "No port data",
+      "whitelistFullReport": "Whitelist — Report all",
+      "blacklistSelectedOnly": "Blacklist — Report selected only",
+      "portListLabel": "Port list",
+      "portListHint": "(comma-separated, e.g.: 80,443,3306,6379)",
+      "whitelistNoConfig": "— No config needed in whitelist mode",
+      "portsEntered": "{{count}} ports entered",
+      "timeRange": "Time range",
+      "custom": "Custom",
+      "apply": "Apply",
+      "rx": "RX",
+      "tx": "TX",
+      "noData": "No data",
+      "selectTaskHint": "Select a task to view protocol-specific metrics",
+      "probeNow": "Probe now",
+      "sslCertWarning": "SSL Certificate Warning",
+      "sslExpiring": "Expires",
+      "sslRemaining": "remaining",
+      "sslThreshold": "threshold",
+      "sslDays": "days",
+      "availabilityRate": "Availability",
+      "redisMysqlAutoRefresh": "Redis standalone/cluster · MySQL · 30s auto refresh",
+      "lastUpdate": "Last update",
+      "addPlatformDefault": "Add platform default",
+      "noInstancePrefix": "No",
+      "instanceSuffix": "instances",
+      "siteMonitorSubtitle": "HTTP Web probe · SSL cert detection · TCP / DNS / PING",
+      "snmpMonitorTitle": "SNMP Monitor",
+      "snmpCollectInterval": "5 min collection · 7 day retention",
+      "tcpTargetAddr": "TCP target address",
+      "tcpPort": "TCP port",
+      "ipAddress": "IP address",
+      "snmpOidTemplate": "OID Template",
+      "snmpVersion": "SNMP Version",
+      "snmpNoDevice": "No SNMP devices. Click \"Add Device\" to start monitoring.",
+      "snmpCollectMetrics": "Collected Metrics",
+      "snmpNoMetrics": "No metrics yet. Please collect first."
     },
     "logAlertBell": {
       "linked": "Alert Policy Linked",
@@ -7043,7 +7089,7 @@
       "loadFailed": "Failed to load alert data",
       "resolveAlert": "Resolve Alert",
       "resolveConfirm": "Mark this alert as resolved?",
-      "resolved": "Alert resolved",
+      "resolved": "Resolved",
       "deleteRule": "Delete Rule",
       "thresholdTriggered": "Alert threshold triggered",
       "noResolved": "No resolved alerts",
@@ -7051,7 +7097,12 @@
       "metricSwap": "Swap Usage",
       "metricLoad1": "1-min Load Average",
       "metricInode": "Inode Usage",
-      "metricTcpEst": "TCP Established"
+      "metricTcpEst": "TCP Established",
+      "title": "Agent Alerts",
+      "unresolved": "Unresolved",
+      "resolve": "Resolve",
+      "newRule": "New Rule",
+      "createFirstRule": "Create your first rule"
     },
     "allPortsHint": "All ports reported automatically",
     "allPortsMode": "All Ports",

frontend/src/locales/zh-CN.json

@@ -4377,7 +4377,53 @@
       "noProbeHint": "暂无健康探针，点击「{{action}}」创建",
       "searchFields": "搜索字段",
       "receiveSend": "接收 {{rx}} · 发送 {{tx}}",
-      "currentFDUsage": "当前 {{pct}}%"
+      "currentFDUsage": "当前 {{pct}}%",
+      "ctxPerSec": "CTX 切换/秒",
+      "irqPerSec": "IRQ 中断/秒",
+      "times": "次",
+      "agentWaitData": "Agent v2.0+ 支持，等待数据上报…",
+      "cpuUsagePercent": "CPU使用率(%)",
+      "fdHandles": "FD 文件句柄",
+      "blacklistLabel": "黑名单",
+      "whitelistModeLabel": "白名单模式",
+      "policyConfig": "策略配置",
+      "noPortData": "暂无端口数据",
+      "whitelistFullReport": "白名单 ─ 全量上报",
+      "blacklistSelectedOnly": "黑名单 ─ 仅上报选中",
+      "portListLabel": "端口列表",
+      "portListHint": "(逗号分隔，如: 80,443,3306,6379)",
+      "whitelistNoConfig": "— 白名单模式无需配置",
+      "portsEntered": "已输入 {{count}} 个端口",
+      "timeRange": "时间范围",
+      "custom": "自定义",
+      "apply": "应用",
+      "rx": "接收",
+      "tx": "发送",
+      "noData": "暂无数据",
+      "selectTaskHint": "选择任务查看协议专属可观测指标",
+      "probeNow": "立即拨测",
+      "sslCertWarning": "SSL 证书预警",
+      "sslExpiring": "到期",
+      "sslRemaining": "剩余",
+      "sslThreshold": "阈值",
+      "sslDays": "天",
+      "availabilityRate": "可用率",
+      "redisMysqlAutoRefresh": "Redis 单机/集群 · MySQL · 30s 自动刷新",
+      "lastUpdate": "上次更新",
+      "addPlatformDefault": "添加平台默认",
+      "noInstancePrefix": "暂无",
+      "instanceSuffix": "实例",
+      "siteMonitorSubtitle": "HTTP Web 拨测 · SSL 证书检测 · TCP / DNS / PING",
+      "snmpMonitorTitle": "SNMP 监控",
+      "snmpCollectInterval": "5 分钟采集 · 指标保留 7 天",
+      "tcpTargetAddr": "TCP 目标地址",
+      "tcpPort": "TCP 端口",
+      "ipAddress": "IP 地址",
+      "snmpOidTemplate": "OID 模板",
+      "snmpVersion": "SNMP 版本",
+      "snmpNoDevice": "暂无 SNMP 设备，点击「添加设备」开始监控",
+      "snmpCollectMetrics": "采集指标",
+      "snmpNoMetrics": "暂无指标，请先采集"
     },
     "logAlertBell": {
       "linked": "已关联告警策略",
@@ -7043,7 +7089,7 @@
       "loadFailed": "加载告警数据失败",
       "resolveAlert": "恢复告警",
       "resolveConfirm": "确定将此告警标记为已恢复？",
-      "resolved": "告警已恢复",
+      "resolved": "已恢复",
       "deleteRule": "删除规则",
       "thresholdTriggered": "触发告警阈值",
       "noResolved": "暂无已恢复的告警",
@@ -7051,7 +7097,12 @@
       "metricSwap": "Swap 使用率",
       "metricLoad1": "1分钟负载",
       "metricInode": "Inode 使用率",
-      "metricTcpEst": "TCP 已建立"
+      "metricTcpEst": "TCP 已建立",
+      "title": "Agent 告警",
+      "unresolved": "未恢复",
+      "resolve": "恢复",
+      "newRule": "新建规则",
+      "createFirstRule": "创建第一条规则"
     },
     "allPortsHint": "全部端口自动上报",
     "allPortsMode": "全量上报",

frontend/src/pages/monitor/MiddlewareMonitor.tsx

@@ -153,10 +153,10 @@ export function MiddlewareMonitor() {
         <div>
           <h2 className="text-lg font-semibold"> {t('monitor.alertHelper.srcMiddleware')} </h2>
           <p className="text-xs text-[var(--dg-text-muted)] mt-0.5">
-            Redis 单机/集群 · MySQL · 30s 自动刷新
+            {t('monitor.lbl.redisMysqlAutoRefresh')}
             {lastRefreshAt && (
               <span className="ml-2">
-                上次更新 {lastRefreshAt.toLocaleTimeString()}
+                {t('monitor.lbl.lastUpdate')} {lastRefreshAt.toLocaleTimeString()}
                 {refreshing && t('monitor.lbl.refreshing')}
               </span>
             )}
@@ -172,7 +172,7 @@ export function MiddlewareMonitor() {
           {targets.length === 0 && (
             <Button variant="outline" size="sm" onClick={handleSeedDefaults} disabled={seeding} className="gap-1.5">
               {seeding ? <Loader2 className="h-4 w-4 animate-spin" /> : <Database className="h-4 w-4" />}
-              添加平台默认
+              {t('monitor.lbl.addPlatformDefault')}
             </Button>
           )}
           <Button size="sm" onClick={() => openCreate()} className="gap-1.5">
@@ -252,7 +252,7 @@ export function MiddlewareMonitor() {
           {currentTargets.length === 0 ? (
             <Card className="bg-[var(--dg-bg-secondary)] border-[var(--dg-border)]">
               <CardContent className="p-8 text-center text-sm text-[var(--dg-text-muted)]">
-                暂无 {tab === 'redis' ? 'Redis' : 'MySQL'} 实例，
+                {t('monitor.lbl.noInstancePrefix')} {tab === 'redis' ? 'Redis' : 'MySQL'} {t('monitor.lbl.instanceSuffix')}，
                 <button type="button" className="dg-text-cyan ml-1 underline" onClick={() => openCreate(tab)}> {t('monitor.middlewareMonit.addNow')} </button>
               </CardContent>
             </Card>

frontend/src/pages/monitor/SNMPMonitor.tsx

@@ -183,8 +183,8 @@ export function SNMPMonitor() {
       {/* 工具栏 */}
       <div className="flex items-center justify-between flex-wrap gap-2">
         <div>
-          <h2 className="text-lg font-semibold">SNMP 监控</h2>
-          <p className="text-xs text-[var(--dg-text-muted)]">5 分钟采集 · 指标保留 7 天</p>
+          <h2 className="text-lg font-semibold">{t('monitor.lbl.snmpMonitorTitle')}</h2>
+          <p className="text-xs text-[var(--dg-text-muted)]">{t('monitor.lbl.snmpCollectInterval')}</p>
         </div>
         <div className="flex gap-2">
           <Button size="sm" variant="outline" onClick={refresh} className="h-8">
@@ -208,7 +208,7 @@ export function SNMPMonitor() {
                 </div>
                 <div className="grid grid-cols-2 gap-3">
                   <div className="grid gap-1.5">
-                    <Label>IP 地址</Label>
+                    <Label>{t('monitor.lbl.ipAddress')}</Label>
                     <Input value={form.ip} onChange={(e) => setForm({ ...form, ip: e.target.value })} placeholder="192.168.1.1" />
                   </div>
                   <div className="grid gap-1.5">
@@ -217,7 +217,7 @@ export function SNMPMonitor() {
                   </div>
                 </div>
                 <div className="grid gap-1.5">
-                  <Label>OID 模板</Label>
+                  <Label>{t('monitor.lbl.snmpOidTemplate')}</Label>
                   <Select value={form.template_id} onValueChange={(v) => setForm({ ...form, template_id: v })}>
                     <SelectTrigger><SelectValue placeholder={t('pipeline.selectTemplate')} /></SelectTrigger>
                     <SelectContent>
@@ -229,7 +229,7 @@ export function SNMPMonitor() {
                 </div>
                 <div className="grid grid-cols-2 gap-3">
                   <div className="grid gap-1.5">
-                    <Label>SNMP 版本</Label>
+                    <Label>{t('monitor.lbl.snmpVersion')}</Label>
                     <Select value={form.snmp_version} onValueChange={(v) => setForm({ ...form, snmp_version: v as 'v2c' | 'v3' })}>
                       <SelectTrigger><SelectValue /></SelectTrigger>
                       <SelectContent>
@@ -247,7 +247,7 @@ export function SNMPMonitor() {
               <DialogFooter>
                 <Button variant="outline" onClick={() => setDialogOpen(false)}> {t('rbac.jobRole.cancel')} </Button>
                 <Button onClick={handleAdd} disabled={submitting}>
-                  {submitting && <Loader2 className="h-4 w-4 animate-spin mr-1" />}确认
+                  {submitting && <Loader2 className="h-4 w-4 animate-spin mr-1" />}{t('common.confirm')}
                 </Button>
               </DialogFooter>
             </DialogContent>
@@ -278,7 +278,7 @@ export function SNMPMonitor() {
         <Card className="bg-[var(--dg-bg-secondary)] border-[var(--dg-border)]">
           <CardContent className="py-12 text-center text-sm text-[var(--dg-text-muted)]">
             <Router className="h-10 w-10 mx-auto mb-3 opacity-40" />
-            暂无 SNMP 设备，点击「添加设备」开始监控
+            {t('monitor.lbl.snmpNoDevice')}
           </CardContent>
         </Card>
       ) : (
@@ -348,14 +348,14 @@ export function SNMPMonitor() {
       <Dialog open={metricsOpen} onOpenChange={setMetricsOpen}>
         <DialogContent className="sm:max-w-2xl max-h-[80vh] overflow-y-auto bg-[var(--dg-bg-secondary)]">
           <DialogHeader>
-            <DialogTitle>{metricsDevice?.name} — 采集指标</DialogTitle>
+            <DialogTitle>{metricsDevice?.name} — {t('monitor.lbl.snmpCollectMetrics')}</DialogTitle>
             <DialogDescription>{metricsDevice?.ip} · {templateName(metricsDevice?.template_id || 0)}</DialogDescription>
           </DialogHeader>
           {metricsLoading ? (
             <div className="py-8 text-center text-sm text-muted-foreground"> {t('monitor.logPanel.logResults.loading')} </div>
           ) : metrics.length === 0 ? (
             <div className="py-8 text-center text-sm text-muted-foreground">
-              暂无指标，请先采集
+              {t('monitor.lbl.snmpNoMetrics')}
               {metricsDevice?.last_error && <p className="mt-2 text-xs dg-text-red">{metricsDevice.last_error}</p>}
             </div>
           ) : (

frontend/src/pages/monitor/SiteMonitor.tsx

@@ -213,7 +213,7 @@ export function SiteMonitor() {
       <div className="flex items-center justify-between flex-wrap gap-2">
         <div>
           <h2 className="text-lg font-semibold"> {t('monitor.alertRulesTab.catSite')} </h2>
-          <p className="text-xs text-[var(--dg-text-muted)]">HTTP Web 拨测 · SSL 证书检测 · TCP / DNS / PING</p>
+          <p className="text-xs text-[var(--dg-text-muted)]">{t('monitor.lbl.siteMonitorSubtitle')}</p>
         </div>
         <div className="flex gap-2">
           <Button size="sm" variant="outline" className="h-8" onClick={() => { loadStats(); loadTasks(); }} disabled={refreshing}>

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

@@ -6,7 +6,7 @@ import { ZoomableAreaChart, type ZoomableChartHandle } from './ZoomableAreaChart
 import { ChartToolbar } from './ChartToolbar';
 import { MetricIconBox } from './MetricIconBox';
 import type { AggType, BucketPoint } from './types';
-import i18n from '@/i18n';
+import { useTranslation } from 'react-i18next';
 
 interface DualLineChartProps {
   title: string;
@@ -21,6 +21,7 @@ interface DualLineChartProps {
 export function DualLineChart({
   title, currentRx, currentTx, rxData, txData, aggType, unit,
 }: DualLineChartProps) {
+  const { t } = useTranslation();
   const chartRef = useRef<ZoomableChartHandle>(null);
   const [zoomed, setZoomed] = useState(false);
 
@@ -43,11 +44,11 @@ export function DualLineChart({
             <div className="flex items-center gap-3 text-xs">
               <span>
                 <span className="inline-block w-2.5 h-2.5 rounded-sm bg-blue-400 mr-1 align-middle" />
-                接收 <b className="text-blue-300">{currentRx}</b>
+                {t('monitor.lbl.rx')} <b className="text-blue-300">{currentRx}</b>
               </span>
               <span>
                 <span className="inline-block w-2.5 h-2.5 rounded-sm bg-emerald-400 mr-1 align-middle" />
-                发送 <b className="dg-text-green">{currentTx}</b>
+                {t('monitor.lbl.tx')} <b className="dg-text-green">{currentTx}</b>
               </span>
             </div>
             <ChartToolbar
@@ -61,14 +62,14 @@ export function DualLineChart({
           ref={chartRef}
           data={chartData}
           series={[
-            { dataKey: 'rx', color: '#3b82f6', label: i18n.t('common.receive') },
-            { dataKey: 'tx', color: '#10b981', label: i18n.t('aiops.sendMessage') },
+            { dataKey: 'rx', color: '#3b82f6', label: t('common.receive') },
+            { dataKey: 'tx', color: '#10b981', label: t('aiops.sendMessage') },
           ]}
           yDomain={[0, 'auto']}
           unit={unit}
           chartId={`dual-${title.replace(/\s/g, '')}`}
           title={title}
-          subtitle={i18n.t('monitor.lbl.receiveSend', { rx: currentRx, tx: currentTx })}
+          subtitle={t('monitor.lbl.receiveSend', { rx: currentRx, tx: currentTx })}
           height={208}
           toolbarPlacement="header"
           onZoomedChange={setZoomed}

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

@@ -200,9 +200,9 @@ export function HealthProbeSection({ selectedHost }: HealthProbeSectionProps) {
 
             {probeForm.probe_type === 'tcp_socket' && (
               <div className="grid grid-cols-2 gap-2">
-                <div><label className="text-[11px] text-[var(--dg-text-muted)] mb-1 block">TCP 目标地址</label>
+                <div><label className="text-[11px] text-[var(--dg-text-muted)] mb-1 block">{t('monitor.lbl.tcpTargetAddr')}</label>
                   <input className="w-full h-8 bg-[var(--dg-bg-secondary)] border border-[var(--dg-border)] rounded px-2 text-xs text-[var(--dg-text-primary)]" value={probeForm.tcp_host} onChange={e => setProbeForm({ ...probeForm, tcp_host: e.target.value })} placeholder="localhost" /></div>
-                <div><label className="text-[11px] text-[var(--dg-text-muted)] mb-1 block">TCP 端口</label>
+                <div><label className="text-[11px] text-[var(--dg-text-muted)] mb-1 block">{t('monitor.lbl.tcpPort')}</label>
                   <input type="number" className="w-full h-8 bg-[var(--dg-bg-secondary)] border border-[var(--dg-border)] rounded px-2 text-xs text-[var(--dg-text-primary)]" value={probeForm.tcp_port} onChange={e => setProbeForm({ ...probeForm, tcp_port: Number(e.target.value) })} /></div>
               </div>
             )}

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

@@ -58,7 +58,7 @@ export function HostTimeRangePicker({ value, onChange }: Props) {
     <div className="flex items-center gap-2 flex-wrap">
       <span className="text-[11px] dg-text-muted hidden sm:inline-flex items-center gap-1">
         <Timer className="h-3 w-3" />
-        时间范围
+        {t('monitor.lbl.timeRange')}
       </span>
       <div className="flex items-center gap-1 rounded-md border border-[var(--dg-border)] p-0.5 bg-[var(--dg-bg-secondary)] flex-wrap">
         {TIME_RANGE_PRESETS.map((p) => (
@@ -82,7 +82,7 @@ export function HostTimeRangePicker({ value, onChange }: Props) {
             onClick={() => setCustomOpen((v) => !v)}
           >
             <Calendar className="h-3 w-3" />
-            自定义
+            {t('monitor.lbl.custom')}
             <ChevronDown className={`h-3 w-3 transition-transform ${customOpen ? 'rotate-180' : ''}`} />
           </Button>
           {customOpen && (
@@ -110,10 +110,10 @@ export function HostTimeRangePicker({ value, onChange }: Props) {
               </div>
               <div className="flex justify-end gap-2 mt-3">
                 <Button type="button" variant="ghost" size="sm" className="h-7 text-xs" onClick={() => setCustomOpen(false)}>
-                  取消
+                  {t('common.cancel')}
                 </Button>
                 <Button type="button" size="sm" className="h-7 text-xs dg-btn-primary" onClick={applyCustom}>
-                  应用
+                  {t('monitor.lbl.apply')}
                 </Button>
               </div>
             </div>

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

@@ -43,13 +43,13 @@ export function PortPolicyDialog({
                 className={`flex-1 h-9 rounded text-xs font-medium border transition-colors ${portPolicyMode === 'whitelist' ? 'bg-blue-500/20 border-blue-500 dg-text-blue' : 'bg-[var(--dg-bg-secondary)] border-[var(--dg-border)] text-[var(--dg-text-muted)]'}`}
                 onClick={() => onModeChange('whitelist')}
               >
-                白名单 ─ 全量上报
+                {t('monitor.lbl.whitelistFullReport')}
               </button>
               <button
                 className={`flex-1 h-9 rounded text-xs font-medium border transition-colors ${portPolicyMode === 'blacklist' ? 'bg-amber-500/20 border-amber-500 dg-text-yellow' : 'bg-[var(--dg-bg-secondary)] border-[var(--dg-border)] text-[var(--dg-text-muted)]'}`}
                 onClick={() => onModeChange('blacklist')}
               >
-                黑名单 ─ 仅上报选中
+                {t('monitor.lbl.blacklistSelectedOnly')}
               </button>
             </div>
             <p className="text-[10px] text-[var(--dg-text-muted)] mt-1.5 leading-relaxed">
@@ -61,8 +61,8 @@ export function PortPolicyDialog({
 
           <div>
             <label className="text-[11px] text-[var(--dg-text-muted)] mb-1.5 block">
-              端口列表 <span className="text-[var(--dg-text-muted)]">(逗号分隔，如: 80,443,3306,6379)</span>
-              {portPolicyMode === 'whitelist' && <span className="dg-text-blue ml-1">— 白名单模式无需配置</span>}
+              {t('monitor.lbl.portListLabel')} <span className="text-[var(--dg-text-muted)]">{t('monitor.lbl.portListHint')}</span>
+              {portPolicyMode === 'whitelist' && <span className="dg-text-blue ml-1">{t('monitor.lbl.whitelistNoConfig')}</span>}
             </label>
             <textarea
               className={`w-full h-20 bg-[var(--dg-bg-secondary)] border border-[var(--dg-border)] rounded px-2 py-1.5 text-xs font-mono resize-none ${
@@ -78,7 +78,7 @@ export function PortPolicyDialog({
               readOnly={portPolicyMode === 'whitelist'}
             />
             <p className="text-[10px] text-[var(--dg-text-muted)] mt-1">
-              已输入 {portWhitelist.length} 个端口
+              {t('monitor.lbl.portsEntered', { count: portWhitelist.length })}
             </p>
           </div>
 

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

@@ -286,7 +286,7 @@ export const ZoomableAreaChart = forwardRef<ZoomableChartHandle, Props>(function
         className="flex items-center justify-center text-xs dg-text-muted border border-dashed border-[var(--dg-border)] rounded-md w-full"
         style={{ height }}
       >
-        暂无数据
+        {t('monitor.lbl.noData')}
       </div>
     );
   }

frontend/src/pages/monitor/host-monitor/tabs/ContextSwitchCard.tsx

@@ -16,18 +16,18 @@ export function ContextSwitchCard({ csInfo }: { csInfo: JsonData }) {
           <div className="space-y-4">
             <div className="grid grid-cols-2 gap-4">
               <div className="bg-[var(--dg-bg-primary)] rounded-lg p-3 text-center">
-                <div className="text-[10px] text-[var(--dg-text-muted)] mb-1">CTX 切换/秒</div>
+                <div className="text-[10px] text-[var(--dg-text-muted)] mb-1">{t('monitor.lbl.ctxPerSec')}</div>
                 <div className="text-lg font-bold font-mono dg-text-green">
                   {(csInfo.ctx_per_sec / 1e6).toFixed(1)}<span className="text-xs font-normal text-[var(--dg-text-muted)] ml-0.5">M</span>
                 </div>
-                <div className="text-[10px] text-[var(--dg-text-muted)] mt-1 font-mono">{csInfo.ctx_per_sec?.toLocaleString()} 次</div>
+                <div className="text-[10px] text-[var(--dg-text-muted)] mt-1 font-mono">{csInfo.ctx_per_sec?.toLocaleString()} {t('monitor.lbl.times')}</div>
               </div>
               <div className="bg-[var(--dg-bg-primary)] rounded-lg p-3 text-center">
-                <div className="text-[10px] text-[var(--dg-text-muted)] mb-1">IRQ 中断/秒</div>
+                <div className="text-[10px] text-[var(--dg-text-muted)] mb-1">{t('monitor.lbl.irqPerSec')}</div>
                 <div className="text-lg font-bold font-mono dg-text-yellow">
                   {(csInfo.irq_per_sec / 1e6).toFixed(1)}<span className="text-xs font-normal text-[var(--dg-text-muted)] ml-0.5">M</span>
                 </div>
-                <div className="text-[10px] text-[var(--dg-text-muted)] mt-1 font-mono">{csInfo.irq_per_sec?.toLocaleString()} 次</div>
+                <div className="text-[10px] text-[var(--dg-text-muted)] mt-1 font-mono">{csInfo.irq_per_sec?.toLocaleString()} {t('monitor.lbl.times')}</div>
               </div>
             </div>
             <div className="space-y-1">

frontend/src/pages/monitor/host-monitor/tabs/FDUsageCard.tsx

@@ -26,7 +26,7 @@ export function FDUsageCard({ fdInfo, fdMetrics, aggType, fdChartRef, fdChartZoo
         <div className="flex items-start justify-between gap-2 mb-3">
           <h3 className="text-xs font-medium text-[var(--dg-text-primary)] flex items-center gap-2 leading-8">
             <MetricIconBox icon={<HardDrive />} tone="purple" />
-            FD 文件句柄
+            {t('monitor.lbl.fdHandles')}
           </h3>
           {fdMetrics.length > 0 && (
             <ChartToolbar

frontend/src/pages/monitor/host-monitor/tabs/PortMonitorTab.tsx

@@ -23,22 +23,22 @@ export function PortMonitorTab({ portInfo, portPolicyMode, portWhitelist, onOpen
           <span className="ml-auto flex items-center gap-2">
             {portPolicyMode === 'blacklist' && portWhitelist.length > 0 && (
               <Badge variant="outline" className="text-[10px] dg-text-yellow border-amber-500/30">
-                黑名单: {portWhitelist.join(',')}
+                {t('monitor.lbl.blacklistLabel')}: {portWhitelist.join(',')}
               </Badge>
             )}
             {portPolicyMode === 'whitelist' && (
               <Badge variant="outline" className="text-[10px] dg-text-blue border-blue-500/30">
-                白名单模式
+                {t('monitor.lbl.whitelistModeLabel')}
               </Badge>
             )}
             <Button variant="outline" size="sm" className="h-6 text-[10px] px-2" onClick={onOpenPortPolicy}>
-              策略配置
+              {t('monitor.lbl.policyConfig')}
             </Button>
           </span>
         </h3>
         {portInfo.length === 0 ? (
           <div className="text-center py-6 text-xs text-[var(--dg-text-muted)] border border-dashed border-[var(--dg-border)] rounded-lg">
-            暂无端口数据
+            {t('monitor.lbl.noPortData')}
           </div>
         ) : (
           <div className="overflow-x-auto">

frontend/src/pages/monitor/host-monitor/tabs/ProcessTable.tsx

@@ -14,7 +14,7 @@ export function ProcessTable({ processTop }: { processTop: JsonData[] }) {
         </h3>
         {processTop.length === 0 ? (
           <div className="text-center py-6 text-xs text-[var(--dg-text-muted)] border border-dashed border-[var(--dg-border)] rounded-lg">
-            Agent v2.0+ 支持，等待数据上报…
+            {t('monitor.lbl.agentWaitData')}
           </div>
         ) : (
           <div className="overflow-x-auto">
@@ -24,7 +24,7 @@ export function ProcessTable({ processTop }: { processTop: JsonData[] }) {
                   <th className="py-1.5 text-left font-medium w-[40%]"> {t('monitor.lbl.processMonitor')} </th>
                   <th className="py-1.5 text-right font-medium w-[8%]">PID</th>
                   <th className="py-1.5 text-right font-medium w-[16%]"> {t('monitor.lbl.processMonitor')} </th>
-                  <th className="py-1.5 text-right font-medium w-[16%]">CPU使用率(%)</th>
+                  <th className="py-1.5 text-right font-medium w-[16%]">{t('monitor.lbl.cpuUsagePercent')}</th>
                   <th className="py-1.5 text-right font-medium w-[20%]"> {t('monitor.lbl.processMonitor')} </th>
                 </tr>
               </thead>

frontend/src/pages/monitor/site-monitor/SiteResultsPanel.tsx

@@ -98,7 +98,7 @@ export function SiteResultsPanel({ task, onProbed, fullPage = false }: Props) {
   if (!task) {
     const empty = (
       <div className="p-8 text-center text-sm text-[var(--dg-text-muted)]">
-        选择任务查看协议专属可观测指标
+        {t('monitor.lbl.selectTaskHint')}
       </div>
     );
     return (
@@ -218,7 +218,7 @@ export function SiteResultsPanel({ task, onProbed, fullPage = false }: Props) {
             </>
           )}
           <span className="text-[10px] text-[var(--dg-text-muted)] shrink-0">
-            {rangeLabel} · {results.length} 次 · 可用率 {availSummary}
+            {rangeLabel} · {results.length} {t('monitor.lbl.times')} · {t('monitor.lbl.availabilityRate')} {availSummary}
           </span>
         </div>
         <div className="flex items-center gap-1.5 shrink-0">
@@ -235,7 +235,7 @@ export function SiteResultsPanel({ task, onProbed, fullPage = false }: Props) {
             <RefreshCw className={`h-3 w-3 mr-1 ${loading ? 'animate-spin' : ''}`} />{t("common.refresh")}
           </Button>
           <Button size="sm" className="h-7 text-xs" onClick={handleProbeNow} disabled={probing}>
-            {probing ? <Loader2 className="h-3 w-3 mr-1 animate-spin" /> : <Zap className="h-3 w-3 mr-1" />}立即拨测
+            {probing ? <Loader2 className="h-3 w-3 mr-1 animate-spin" /> : <Zap className="h-3 w-3 mr-1" />}{t('monitor.lbl.probeNow')}
           </Button>
         </div>
       </div>
@@ -244,9 +244,9 @@ export function SiteResultsPanel({ task, onProbed, fullPage = false }: Props) {
         <div className="mb-4 flex items-start gap-2 rounded-lg border border-amber-500/30 bg-amber-500/10 px-3 py-2.5 text-xs">
           <ShieldAlert className="h-4 w-4 shrink-0 mt-0.5 dg-text-yellow" />
           <div>
-            <p className="font-medium text-[var(--dg-text-primary)]">SSL 证书预警</p>
+            <p className="font-medium text-[var(--dg-text-primary)]">{t('monitor.lbl.sslCertWarning')}</p>
             <p className="mt-0.5 text-[var(--dg-text-muted)]">
-              到期 <span className="font-mono">{task.ssl_cert_expiry?.slice(0, 10) || '--'}</span>，剩余 <span className={sslInfo.tone}>{sslInfo.text}</span>（阈值 {SSL_EXPIRY_WARN_DAYS} 天）
+              {t('monitor.lbl.sslExpiring')} <span className="font-mono">{task.ssl_cert_expiry?.slice(0, 10) || '--'}</span>，{t('monitor.lbl.sslRemaining')} <span className={sslInfo.tone}>{sslInfo.text}</span>（{t('monitor.lbl.sslThreshold')} {SSL_EXPIRY_WARN_DAYS} {t('monitor.lbl.sslDays')}）
             </p>
           </div>
         </div>