refactor(i18n): U42 残余硬编码中文彻底清零 — 33文件54处→0, zh/en 7847→7898对齐

全量 JSX children + toast/confirm + sr-only 描述硬编码中文清零:
- Kubernetes模块: UpdateStrategyCard maxSurge/maxUnavailable说明 + IngressCreateForm host域名/Service端口 + ServiceCreateForm 端口配置/selector + DeploymentEditService 无selector/个关联/暂无Service/Ingress + ClusterOverviewPage 核 + KubernetesClusterDialog 已配置 + KubectlTerminal/ResourceVisualEditor/CreateHPADialog/DeploymentEditContainers/Storage + PodInstancesTable/UpdateStrategySelectorCards
- AI模块: PredictiveCapacityTab AI深度解读/紧急/警告/7天预测/预计N天 + PredictiveCostTab AI深度解读 + event-handler.ts 高危操作确认toast
- Deploy模块: DeployCredentials 启用/禁用 + DeployRBAC 删除角色confirm + WorkspaceTermDialog + CredFormDialog Windows用户
- Monitor模块: AlertRulesTab 删除confirm/分钟 + PrometheusDatasourceManager/LogDatasourcePage 删除confirm + QueryHistoryPanel 条
- System模块: ServerFileBrowser/TerminalDialog/RdpAuditViewer sr-only + SystemManager/CredentialManager/TerminalSessionsTab 删除confirm + SecuritySettingsTab 30分钟/2小时
- Task模块: CronJobViewDialog 次

新增 61 翻译键 (k8s.editAdvanced 6 + k8s.editService 11 + k8s.cluster 2 + k8s.misc 9 + aiops.capacity 9 + aiops.cost 1 + aiops.cli 2 + deploy 4 + monitor 5 + system 10 + task 1 + common 2)
tsc -b=0, npm build✓ (17.71s), ESLint=0/43/any=0, go build=0, 17/17 测试通过

frontend/src/components/server/TerminalDialog.tsx

@@ -222,7 +222,7 @@ export function TerminalDialog({
         }
       >
         <DialogTitle className="sr-only">{t("common.podLogs")} - {serverName}</DialogTitle>
-        <DialogDescription className="sr-only">SSH 终端连接</DialogDescription>
+        <DialogDescription className="sr-only">{t("system.sshTerminalDesc")}</DialogDescription>
         {/* 终端头部 */}
         <div className="flex items-center justify-between px-4 py-2 border-b border-[var(--dg-border)]">
           <div className="flex items-center gap-2 text-sm">