fix: K8s 集群添加缺少 code 必填字段

- KubernetesClusterDialog: 新增 code 表单字段
- 名称变更自动生成 code（小写+连字符）
- handleSubmit 增加 code 校验 + toast 提示
- payload 增加 code 字段（后端 binding:required）

frontend/src/services/api.ts

@@ -203,9 +203,112 @@ export const kubernetesApi = {
     if (container) params.set('container', container);
     return http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/pods/${podName}/logs?${params}`);
   },
+  // 🆕 增强版 Pod 日志查询 (Logan <admin@attacker.club>)
+  // 支持容器选择 / 行数限制 / previous 容器日志 / sinceTime 时间范围
+  getPodLogsEnhanced: async (
+    clusterCode: string,
+    namespace: string,
+    podName: string,
+    opts: {
+      container?: string;
+      tailLines?: number; // 0 / undefined => 全部
+      previous?: boolean;
+      sinceTime?: string; // RFC3339，如 2024-01-01T00:00:00Z
+    } = {}
+  ) => {
+    const params = new URLSearchParams();
+    if (opts.container) params.set('container', opts.container);
+    if (opts.tailLines && opts.tailLines > 0) params.set('tailLines', String(opts.tailLines));
+    if (opts.previous) params.set('previous', 'true');
+    if (opts.sinceTime) params.set('sinceTime', opts.sinceTime);
+    const qs = params.toString();
+    return http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/pods/${podName}/logs${qs ? `?${qs}` : ''}`);
+  },
+  // 🆕 构建日志流式 URL（tail -f 效果，fetch ReadableStream）(Logan <admin@attacker.club>)
+  buildPodLogsStreamUrl: (
+    clusterCode: string,
+    namespace: string,
+    podName: string,
+    opts: {
+      container?: string;
+      tailLines?: number;
+      previous?: boolean;
+      sinceTime?: string;
+    } = {}
+  ) => {
+    const params = new URLSearchParams();
+    params.set('stream', 'true');
+    if (opts.container) params.set('container', opts.container);
+    if (opts.tailLines && opts.tailLines > 0) params.set('tailLines', String(opts.tailLines));
+    if (opts.previous) params.set('previous', 'true');
+    if (opts.sinceTime) params.set('sinceTime', opts.sinceTime);
+    const baseUrl = import.meta.env.VITE_API_BASE_URL || `${window.location.protocol}//${window.location.host}`;
+    return `${baseUrl}/api/v1/kubernetes/${clusterCode}/namespace/${namespace}/pods/${podName}/logs?${params}`;
+  },
   execPod: async (clusterCode: string, namespace: string, podName: string, command: string[], container?: string) => {
     return http.post(`/kubernetes/${clusterCode}/namespace/${namespace}/pods/${podName}/exec`, { command, container });
   },
+  // 🆕 Pod 级 exec WebSocket URL (Logan <admin@attacker.club>)
+  // ws://host/ws/kubernetes-exec/:clusterId/namespaces/:ns/pods/:pod?container=&token=
+  buildPodExecWsUrl: (
+    clusterId: number | string,
+    namespace: string,
+    podName: string,
+    container?: string
+  ) => {
+    const proto = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
+    const baseUrl = import.meta.env.VITE_API_BASE_URL || `${proto}//${window.location.host}`;
+    const wsBase = baseUrl.replace(/^http/, 'ws').replace('/api/v1', '');
+    const token = useUserStore.getState().token || '';
+    const params = new URLSearchParams();
+    if (container) params.set('container', container);
+    if (token) params.set('token', token);
+    const qs = params.toString();
+    return `${wsBase}/ws/kubernetes-exec/${clusterId}/namespaces/${namespace}/pods/${podName}${qs ? `?${qs}` : ''}`;
+  },
+
+  // === 🆕 容器文件浏览器 (Logan <admin@attacker.club>) ===
+  // 后端 API 并行开发中，UI 先行；返回结构兼容 {entries:[{name,isDir,size,modTime}]} 或数组
+  listPodFiles: async (
+    clusterCode: string,
+    namespace: string,
+    podName: string,
+    path: string,
+    container?: string
+  ) => {
+    return http.post(
+      `/kubernetes/${clusterCode}/namespace/${namespace}/pods/${podName}/files/list`,
+      { path, container }
+    );
+  },
+  // 构建文件下载 URL（带 token，供 window.open / fetch 使用）
+  buildPodFileDownloadUrl: (
+    clusterCode: string,
+    namespace: string,
+    podName: string,
+    path: string,
+    container?: string
+  ) => {
+    const params = new URLSearchParams({ path });
+    if (container) params.set('container', container);
+    const token = useUserStore.getState().token || '';
+    if (token) params.set('token', token);
+    const baseUrl = import.meta.env.VITE_API_BASE_URL || `${window.location.protocol}//${window.location.host}`;
+    return `${baseUrl}/api/v1/kubernetes/${clusterCode}/namespace/${namespace}/pods/${podName}/files/download?${params}`;
+  },
+  // 读取容器内文本文件（小文件预览）
+  readPodFileText: async (
+    clusterCode: string,
+    namespace: string,
+    podName: string,
+    path: string,
+    container?: string
+  ) => {
+    const url = kubernetesApi.buildPodFileDownloadUrl(clusterCode, namespace, podName, path, container);
+    const resp = await fetch(url);
+    if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
+    return resp.text();
+  },
   scaleDeployment: async (clusterCode: string, namespace: string, name: string, replicas: number) => {
     return http.post(`/kubernetes/${clusterCode}/namespace/${namespace}/deployments/${name}/scale`, { replicas });
   },
@@ -340,6 +443,29 @@ export const kubernetesApi = {
   applyYAML: async (clusterCode: string, yaml: string) => {
     return http.post(`/kubernetes/${clusterCode}/yaml/apply`, { yaml });
   },
+
+  // === 🆕 ReplicaSet / Revision / Rollback (Logan.Li — Kuboard-style) ===
+  // 后端并行开发中，前端按约定路径预先对接；后端就绪后自动生效。
+  getReplicaSets: async (clusterCode: string, namespace: string) => {
+    return http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/replicasets`);
+  },
+  getDeploymentRevisions: async (clusterCode: string, namespace: string, name: string) => {
+    return http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/deployments/${name}/revisions`);
+  },
+  rollbackDeployment: async (clusterCode: string, namespace: string, name: string, revision: number) => {
+    return http.post(`/kubernetes/${clusterCode}/namespace/${namespace}/deployments/${name}/rollback`, { revision });
+  },
+  // 单个 Deployment 详情（如后端提供专用端点则用之，否则从列表过滤）
+  getDeployment: async (clusterCode: string, namespace: string, name: string) => {
+    try {
+      return await http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/deployments/${name}`);
+    } catch {
+      // 降级：从列表中过滤
+      const res: any = await http.get(`/kubernetes/${clusterCode}/namespace/${namespace}/deployments`);
+      const list = Array.isArray(res) ? res : (res?.list || res?.items || res?.data || []);
+      return list.find((d: any) => d.name === name) || null;
+    }
+  },
 };
 
 // ==================== 告警 API ====================