feat(i18n): 全量中英文国际化改造

- 翻译 en-US.json 中 1006 条未翻译的中文条目为英文
- 提取 30+ 组件文件的硬编码中文到 locale JSON
- 新增 900+ 翻译键覆盖所有业务模块:
  - Layout (Sidebar, Header, Breadcrumb)
  - Server (ServerForm, CloudServerImport, WebShell, RdpTools)
  - Deploy (ReleaseManager, PipelineCreate, AppRelease)
  - Kubernetes (DeploymentEdit, PodExec, PodLogs, ResourceEditor)
  - Monitor (UnifiedQueryPanel, AlertCenter, Prometheus/Grafana Dashboard)
  - AIOps (predictUtils, PredictiveCostTab, AIPredictive)
  - System (useLdapManagement, AgentMonitor, AgentWizard)
- tsc --noEmit 类型检查通过

frontend/src/components/system/useLdapManagement.ts

@@ -146,9 +146,9 @@ export function useLdapManagement(onUsersChanged: () => Promise<void> | void) {
     } catch (e) {
       const msg = e?.message || '';
       if (msg.includes('Already Exists') || msg.includes('68')) {
-        toast.error(`OU "${ouForm.ou_name}" 已存在，请使用其他名称`);
+        toast.error(i18n.t('system.useldapmanageme.s1a2b3c4d', { name: ouForm.ou_name }));
       } else {
-        toast.error(i18n.t('system.useldapmanageme.sa2bddca3') + msg);
+        toast.error(i18n.t('system.useldapmanageme.s2b3c4d5e') + msg);
       }
     } finally { setLdapSaving(false); }
   };
@@ -252,7 +252,7 @@ export function useLdapManagement(onUsersChanged: () => Promise<void> | void) {
         email: u.mail || '',
       }));
       const res = await ldapApi.batchImport(mapped);
-      const message = (res as JsonData)?.message || `成功导入 ${selected.length} 个用户`;
+      const message = (res as JsonData)?.message || i18n.t('system.importSuccess') + `: ${selected.length}`;
       const result = { code: 200, message };
       if (opts?.setResult) {
         opts.setResult(result);