feat(rdp): 新增 RDP 远程桌面/SMB/账单同步能力 + 清理编译产物

主要变更：
- RDP 远程桌面：新增 backend/pkg/rdp（RDP 引擎 + credssp/display/rle/trace）、
  backend/controller/rdp*（连接/凭证/文件/会话/实时）、frontend RDP 组件与 API
- Windows SMB 文件传输：backend/pkg/winsmb
- 云账单同步：backend/pkg/billingsync + billing_sync/aliyun_billing，前端账单详情
- Agent CLI Kubernetes 工具：kubernetes_action/get、pod_execute/logs
- 服务器导入助手：server_import_helpers、ImportCredentialSettings
- 国际化与组件重构（cloud/deploy/monitor/server/system 等多模块）
- 清理编译产物二进制：移除 backend/server、backend/agent/bin/aiops-agent-*
- .gitignore：新增 backend/agent/ 与 .cache/（避免 334MB go-build 缓存误入库）

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/src/components/kubernetes/deployment-manifest-save.ts

@@ -2,16 +2,16 @@
 import { kubernetesApi } from '@/api';
 import { prepareManifestForSave } from './k8s-manifest-utils';
 import { isCreateDeployment } from './deployment-constants';
-import i18n from '@/i18n';
+import type { JsonData } from '@/types/common';
 
 export async function saveDeploymentManifest(
   clusterCode: string,
   namespace: string,
   deploymentName: string,
-  manifest: Record<string, any>,
+  manifest: JsonData,
 ): Promise<string> {
   const resName = String(manifest?.metadata?.name || '').trim();
-  if (!resName) throw new Error(i18n.t('kubernetes.deploymentmanif.scb497faa'));
+  if (!resName) throw new Error('Deployment 名称不能为空');
   const yaml = await prepareManifestForSave(manifest);
   if (isCreateDeployment(deploymentName)) {
     await kubernetesApi.applyYAML(clusterCode, yaml);
@@ -19,4 +19,4 @@ export async function saveDeploymentManifest(
     await kubernetesApi.updateResourceYaml(clusterCode, namespace, 'deployments', resName, yaml);
   }
   return resName;
-}
+}