feat: enhance agent orchestration, knowledge flow and UI refinements

frontend/src/app/navigation/nav.ts

@@ -1,12 +1,9 @@
 import {
-  Activity,
   BookOpen,
   Bot,
-  CheckSquare,
-  LayoutGrid,
+  CalendarDays,
   MessageCircle,
   MessageSquare,
-  Network,
   Settings,
   Star,
   Terminal,
@@ -22,13 +19,10 @@ export interface NavItem {
 export const navItems: NavItem[] = [
   { name: '沟通系统', path: '/chat', icon: MessageCircle },
   { name: '奥创中心', path: '/agents', icon: Bot },
-  { name: '技能中心', path: '/skills', icon: Star },
+  { name: '能力中心', path: '/skills', icon: Star },
   { name: '资料中枢', path: '/knowledge', icon: BookOpen },
-  { name: '知识大脑', path: '/brain', icon: Network },
-  { name: '任务矩阵', path: '/kanban', icon: LayoutGrid },
-  { name: '任务调度', path: '/todo', icon: CheckSquare },
+  { name: '调度中心', path: '/schedule-center', icon: CalendarDays },
   { name: '信息交易所', path: '/forum', icon: MessageSquare },
-  { name: '运行状态', path: '/stats', icon: Activity },
   { name: '运行日志', path: '/logs', icon: Terminal },
   { name: '系统设置', path: '/settings', icon: Settings },
 ]