feat(engine): 添加MCP连接管理和工具集成功能

- 集成MCP连接管理器，支持MCP服务器连接
- 添加多种内置工具：ClarifyTool、CronTool、DelegateTool、ExecuteCodeTool、
  PatchFileTool、ProcessTool、SendMessageTool、SpawnTool、TerminalTool、
  TodoTool、WebFetchTool、WebSearchTool、WriteFileTool等
- 实现工具注册和装配功能
- 添加技能选择上下文参数
- 支持思考模式控制参数thinking_enabled

feat(coordinator): 重构任务执行计划器参数命名

- 将learning_candidate_enabled重命名为allow_candidate_generation
- 更新TeamGraphScheduler中的参数传递
- 修改LocalAgentRunner中的相关参数处理
- 更新README文档中的相应描述

refactor(context): 标准化工具调用参数格式

- 添加_json导入用于参数序列化
- 实现_provider_tool_calls方法标准化OpenAI兼容的工具调用载荷
- 修复工具调用中参数非字符串类型的序列化问题

refactor(session): 优化消息历史记录过滤逻辑

- 修改get_messages_as_conversation为基于运行状态过滤消息
- 排除未完成、失败或错误结束的运行记录
- 改进对话历史的可见性控制机制

fix(store): 修复FTS索引重建逻辑

- 添加异常处理防止FTS索引创建失败
- 实现_rebuild_fts_index方法重新构建全文搜索索引
- 优化索引触发器和表的维护流程

app-instance/frontend/components/Header.tsx

@@ -2,9 +2,8 @@
 
 import React from 'react';
 import Link from 'next/link';
-import Image from 'next/image';
 import { usePathname, useRouter } from 'next/navigation';
-import { MessageSquare, Activity, Clock, Puzzle, Blocks, FolderOpen, Store, LogIn, UserPlus, Bot, ServerCog, Mail, LogOut, ChevronDown } from 'lucide-react';
+import { Bell, Bot, ChevronDown, ListTodo, LogOut, Mail, MessageSquare, PackageOpen, Puzzle, Settings, Store, Wrench } from 'lucide-react';
 import { logout } from '@/lib/api';
 import { LanguageSwitcher } from '@/components/LanguageSwitcher';
 import { Avatar, AvatarFallback } from '@/components/ui/avatar';
@@ -16,17 +15,7 @@ import { useAppI18n } from '@/lib/i18n/provider';
 import { useChatStore } from '@/lib/store';
 
 type NavItem = {
-  key:
-    | 'chat'
-    | 'status'
-    | 'office'
-    | 'skills'
-    | 'plugins'
-    | 'agents'
-    | 'mcp'
-    | 'outlook'
-    | 'marketplace'
-    | 'files';
+  key: 'chat' | 'tasks' | 'notifications' | 'skills' | 'tools' | 'agents' | 'outlook' | 'marketplace' | 'plugins' | 'settings';
   href: string;
   icon: React.ComponentType<{ className?: string }>;
   matchPrefixes?: string[];
@@ -34,22 +23,22 @@ type NavItem = {
 
 const NAV_ITEMS: NavItem[] = [
   { key: 'chat', href: '/', icon: MessageSquare },
-  { key: 'status', href: '/status', icon: Activity },
-  { key: 'office', href: '/office', icon: Clock, matchPrefixes: ['/office', '/cron'] },
+  { key: 'tasks', href: '/tasks', icon: ListTodo, matchPrefixes: ['/tasks', '/office', '/cron'] },
+  { key: 'notifications', href: '/notifications', icon: Bell, matchPrefixes: ['/notifications'] },
   { key: 'skills', href: '/skills', icon: Puzzle },
-  { key: 'plugins', href: '/plugins', icon: Blocks },
-  { key: 'agents', href: '/agents', icon: Bot },
-  { key: 'mcp', href: '/mcp', icon: ServerCog },
-  { key: 'outlook', href: '/outlook', icon: Mail },
-  { key: 'marketplace', href: '/marketplace', icon: Store },
-  { key: 'files', href: '/files', icon: FolderOpen },
+  { key: 'tools', href: '/mcp', icon: Wrench, matchPrefixes: ['/mcp'] },
+  { key: 'agents', href: '/agents', icon: Bot, matchPrefixes: ['/agents'] },
+  { key: 'outlook', href: '/outlook', icon: Mail, matchPrefixes: ['/outlook'] },
+  { key: 'marketplace', href: '/marketplace', icon: Store, matchPrefixes: ['/marketplace'] },
+  { key: 'plugins', href: '/plugins', icon: PackageOpen, matchPrefixes: ['/plugins'] },
+  {
+    key: 'settings',
+    href: '/settings',
+    icon: Settings,
+    matchPrefixes: ['/settings', '/status', '/logs'],
+  },
 ];
 
-const AUTH_ITEMS = [
-  { key: 'login', href: '/login', icon: LogIn },
-  { key: 'register', href: '/register', icon: UserPlus },
-] as const;
-
 function ConnectionDot() {
   const { locale } = useAppI18n();
   const wsStatus = useChatStore((s) => s.wsStatus);
@@ -61,10 +50,10 @@ function ConnectionDot() {
   const isOffline = wsStatus === 'disconnected' || (wsStatus === 'connected' && nanobotReady === false);
 
   const color = isOnline
-    ? 'bg-green-500'
+    ? 'bg-[#869683]'
     : isConnecting
-      ? 'bg-yellow-500'
-      : 'bg-red-500';
+      ? 'bg-[#8B7E77]'
+      : 'bg-[#5F5550]';
 
   const label = appConnectionStatusLabel(wsStatus, nanobotReady, locale);
 
@@ -86,23 +75,17 @@ const Header = () => {
 
   const navLabel = React.useCallback((key: NavItem['key']) => {
     if (key === 'chat') return pickAppText(locale, '对话', 'Chat');
-    if (key === 'status') return pickAppText(locale, '状态', 'Status');
-    if (key === 'office') return pickAppText(locale, '任务管理', 'Tasks');
+    if (key === 'tasks') return 'Task';
+    if (key === 'notifications') return pickAppText(locale, '通知', 'Notifications');
     if (key === 'skills') return pickAppText(locale, '技能', 'Skills');
-    if (key === 'plugins') return pickAppText(locale, '插件', 'Plugins');
+    if (key === 'tools') return pickAppText(locale, '工具', 'Tools');
     if (key === 'agents') return pickAppText(locale, '智能体', 'Agents');
-    if (key === 'mcp') return 'MCP';
     if (key === 'outlook') return 'Outlook';
     if (key === 'marketplace') return pickAppText(locale, '市场', 'Marketplace');
-    return pickAppText(locale, '文件', 'Files');
+    if (key === 'plugins') return pickAppText(locale, '插件', 'Plugins');
+    return pickAppText(locale, '配置', 'Settings');
   }, [locale]);
 
-  const authLabel = React.useCallback((key: 'login' | 'register') => (
-    key === 'login'
-      ? pickAppText(locale, '登录', 'Sign In')
-      : pickAppText(locale, '注册', 'Sign Up')
-  ), [locale]);
-
   const handleLogout = async () => {
     await logout();
     setUser(null);
@@ -113,24 +96,16 @@ const Header = () => {
   const userInitial = (user?.username || user?.email || '?').trim().charAt(0).toUpperCase();
 
   return (
-    <header className="fixed top-0 left-0 right-0 bg-background border-b border-border z-50">
-      <div className="max-w-[1720px] mx-auto px-5 sm:px-6 lg:px-8 xl:px-10">
-        <div className="flex items-center h-16 gap-6">
-          <Link href="/" className="flex shrink-0 items-center gap-3 pr-2">
-            <Image
-              src="/boardware-logo.jpg"
-              alt="Boardware logo"
-              width={40}
-              height={32}
-              className="h-8 w-10 shrink-0 rounded-sm bg-white object-contain p-0.5"
-            />
-            <span className="whitespace-nowrap text-[1.05rem] font-semibold leading-none tracking-tight sm:text-[1.15rem]">
-              Boardware Agent Sandbox
+    <header className="fixed left-0 right-0 top-0 z-50 border-b border-[#E6E1DE] bg-[#F7F6F5]/95 backdrop-blur">
+      <div className="mx-auto max-w-[1720px] px-4 sm:px-6 lg:px-8">
+        <div className="grid h-16 grid-cols-[minmax(120px,1fr)_auto_minmax(120px,1fr)] items-center gap-4">
+          <Link href="/" className="flex shrink-0 items-center">
+            <span className="font-serif text-[28px] font-semibold leading-none text-[#0B0B0B]">
+              Beaver
             </span>
           </Link>
 
-          <div className="flex min-w-0 flex-1 items-center justify-end gap-3">
-            <nav className="flex min-w-0 flex-1 items-center gap-1 overflow-x-auto whitespace-nowrap [scrollbar-width:none] [&::-webkit-scrollbar]:hidden">
+          <nav className="flex items-center gap-1 rounded-full border border-[#E6E1DE] bg-white px-1.5 py-1 shadow-[0_1px_2px_rgba(0,0,0,0.04)]">
               {NAV_ITEMS.map((item) => {
                 const isActive =
                   item.href === '/'
@@ -141,10 +116,10 @@ const Header = () => {
                   <Link
                     key={item.href}
                     href={item.href}
-                    className={`flex shrink-0 items-center gap-1.5 rounded-md px-3 py-2 text-sm font-medium transition-colors ${
+                    className={`flex shrink-0 items-center gap-1.5 rounded-full px-4 py-2 text-sm font-medium transition-colors ${
                       isActive
                         ? 'bg-primary text-primary-foreground'
-                        : 'text-muted-foreground hover:bg-accent hover:text-accent-foreground'
+                        : 'text-[#4F4642] hover:bg-[#F7F5F4] hover:text-[#0B0B0B]'
                     }`}
                   >
                     <Icon className="w-4 h-4" />
@@ -154,26 +129,30 @@ const Header = () => {
               })}
             </nav>
 
-            <div className="flex shrink-0 items-center gap-2 border-l border-border pl-4">
+          <div className="flex min-w-0 items-center justify-end gap-3">
+            <div className="hidden shrink-0 sm:block">
+              <ConnectionDot />
+            </div>
+            <div className="flex shrink-0 items-center gap-2">
               <LanguageSwitcher />
               {user ? (
                 <Popover>
                   <PopoverTrigger asChild>
                     <button
                       type="button"
-                      className="flex items-center gap-2 rounded-full border border-border/70 bg-background px-2 py-1.5 text-sm font-medium text-foreground transition-colors hover:bg-accent hover:text-accent-foreground"
+                      className="flex items-center gap-2 rounded-full border border-[#E6E1DE] bg-white px-2 py-1.5 text-sm font-medium text-[#1D1715] transition-colors hover:bg-[#F7F5F4]"
                     >
-                      <Avatar className="h-8 w-8 border border-border/60">
+                      <Avatar className="h-8 w-8 border border-[#E6E1DE]">
                         <AvatarFallback className="bg-primary text-xs font-semibold text-primary-foreground">
                           {userInitial}
                         </AvatarFallback>
-                      </Avatar>
-                      <span className="hidden max-w-28 truncate sm:block">{user.username}</span>
-                      <ChevronDown className="h-4 w-4 text-muted-foreground" />
+                        </Avatar>
+                        <span className="hidden max-w-28 truncate sm:block">{user.username}</span>
+                        <ChevronDown className="h-4 w-4 text-muted-foreground" />
                     </button>
                   </PopoverTrigger>
                   <PopoverContent align="end" className="w-80 rounded-3xl border-border/70 p-0 shadow-2xl">
-                    <div className="overflow-hidden rounded-3xl bg-gradient-to-b from-slate-50 via-slate-50 to-white">
+                    <div className="overflow-hidden rounded-3xl bg-[linear-gradient(180deg,#F7F5F4,#FFFFFF)]">
                       <div className="border-b border-border/60 px-6 py-5">
                         <p className="truncate text-center text-sm font-medium text-muted-foreground">
                           {user.email}
@@ -210,30 +189,7 @@ const Header = () => {
                     </div>
                   </PopoverContent>
                 </Popover>
-              ) : !isAuthLoading ? (
-                AUTH_ITEMS.map((item) => {
-                  const isActive = pathname.startsWith(item.href);
-                  const Icon = item.icon;
-                  return (
-                    <Link
-                      key={item.href}
-                      href={item.href}
-                      className={`flex items-center gap-1.5 rounded-md px-3 py-2 text-sm font-medium transition-colors ${
-                        isActive
-                          ? 'bg-primary text-primary-foreground'
-                          : 'text-muted-foreground hover:bg-accent hover:text-accent-foreground'
-                      }`}
-                    >
-                      <Icon className="w-4 h-4" />
-                      {authLabel(item.key)}
-                    </Link>
-                  );
-                })
-              ) : null}
-            </div>
-
-            <div className="shrink-0 border-l border-border pl-4">
-              <ConnectionDot />
+              ) : !isAuthLoading ? null : null}
             </div>
           </div>
         </div>