feat: PTY kubectl终端 + 侧边栏对齐修复 + 构建缓存清理

**kubectl WebShell 修复：**
- 引入 github.com/creack/pty 库实现真正的伪终端
- 替换 bash --noediting + TERM=dumb 方案为 PTY-backed bash
- 支持 xterm-256color、窗口自适应、readline 交互
- 修复键盘输入无响应问题

**侧边栏优化：**
- 独立菜单项高度从 py-1.5 改为 h-8，与父菜单对齐
- 独立菜单图标从 h-3 w-3 改为 h-3.5 w-3.5，统一 14px

**构建优化：**
- run.sh docker up 增加 docker image prune -f 清理悬空镜像
- 每次部署自动清理 builder cache + dangling images

**认证修复（历史）：**
- Token 存储：Zustand + localStorage 双写，http.ts 双源 fallback
- YamlViewer/DeploymentDetail token 来源统一为 Zustand store

backend/internal/api/routes/routes.go

@@ -68,6 +68,10 @@ func Register(r *gin.Engine, db *gorm.DB, log *zap.Logger, cfg *config.Config, c
 	k8sHandler := handlers.NewKubernetesHandler(db)
 	r.GET("/ws/kubernetes-exec/:id/namespaces/:namespace/pods/:podName", middleware.JWTAuth(&cfg.JWT), k8sHandler.ExecTerminal)
 
+	// WebSocket kubectl 命令行终端 // Logan.Li
+	kubectlShellHandler := handlers.NewKubectlShellHandler(db)
+	r.GET("/ws/kubectl", middleware.JWTAuth(&cfg.JWT), kubectlShellHandler.Terminal)
+
 	// 公开路由
 	authHandler := handlers.NewUserHandler(db, cfg)
 	api.POST("/auth/login", authHandler.Login)
@@ -320,6 +324,31 @@ func Register(r *gin.Engine, db *gorm.DB, log *zap.Logger, cfg *config.Config, c
 
 		// Namespace list
 		kubernetesRouter.GET("/:clusterCode/namespaces", k8sHandler.ListNamespaces)
+		// All-namespace listing (no ns filter)
+		kubernetesRouter.GET("/:clusterCode/deployments", k8sHandler.ListDeploymentsAllNS)
+		kubernetesRouter.GET("/:clusterCode/pods", k8sHandler.ListPodsAllNS)
+		kubernetesRouter.GET("/:clusterCode/hpas", k8sHandler.ListHPAsAllNS)
+
+		// 🆕 Pod Metrics (kubectl top pods)
+		kubernetesRouter.GET("/:clusterCode/metrics/pods", k8sHandler.GetPodMetrics)
+		// 🆕 Events
+		kubernetesRouter.GET("/:clusterCode/events", k8sHandler.ListEvents)
+		// 🆕 Capacity Analysis
+		kubernetesRouter.GET("/:clusterCode/capacity", k8sHandler.GetCapacityAnalysis)
+		// 🆕 YAML Apply
+		kubernetesRouter.POST("/:clusterCode/yaml/apply", k8sHandler.ApplyYAML)
+
+		// PVC (存储)
+		kubernetesRouter.GET("/:clusterCode/namespace/:namespace/pvcs", k8sHandler.ListPVCsNS)
+		kubernetesRouter.DELETE("/:clusterCode/namespace/:namespace/pvcs/:name", k8sHandler.DeletePVCNS)
+
+		// StatefulSet / DaemonSet
+		kubernetesRouter.GET("/:clusterCode/namespace/:namespace/statefulsets", k8sHandler.ListStatefulSetsNS)
+		kubernetesRouter.GET("/:clusterCode/namespace/:namespace/daemonsets", k8sHandler.ListDaemonSetsNS)
+
+		// YAML view/edit
+		kubernetesRouter.GET("/:clusterCode/namespace/:namespace/:resource/:name/yaml", k8sHandler.GetResourceYAMLNS)
+		kubernetesRouter.PUT("/:clusterCode/namespace/:namespace/:resource/:name/yaml", k8sHandler.UpdateResourceYAMLNS)
 	}
 
 	// 告警路由