webui layout: add dedicated EKG menu/page and declutter task-audit layout

webui/src/i18n/index.ts

@@ -18,6 +18,8 @@ const resources = {
       sidebarCore: 'Core',
       sidebarSystem: 'System',
       sidebarOps: 'Operations',
+      sidebarInsights: 'Insights',
+      ekg: 'EKG',
       taskList: 'Task List',
       taskDetail: 'Task Detail',
       taskQueue: 'Task Queue',
@@ -191,6 +193,8 @@ const resources = {
       sidebarCore: '核心',
       sidebarSystem: '系统',
       sidebarOps: '运维',
+      sidebarInsights: '洞察',
+      ekg: 'EKG',
       taskList: '任务列表',
       taskDetail: '任务详情',
       taskQueue: '任务队列',