feat(frontend): Day 7 - frontend complete layout finished

frontend/src/App.tsx

@@ -1,14 +1,18 @@
 import { Routes, Route, Navigate } from 'react-router-dom'
 import MainLayout from './layouts/MainLayout'
 import HomePage from './pages/HomePage'
-import AgentPage from './pages/AgentPage'
+import AgentChatPage from './pages/AgentChatPage'
+import KnowledgePage from './pages/KnowledgePage'
+import HistoryPage from './pages/HistoryPage'
 
 function App() {
   return (
     <Routes>
       <Route path="/" element={<MainLayout />}>
         <Route index element={<HomePage />} />
-        <Route path="agent/:agentId" element={<AgentPage />} />
+        <Route path="agent/:agentId" element={<AgentChatPage />} />
+        <Route path="knowledge" element={<KnowledgePage />} />
+        <Route path="history" element={<HistoryPage />} />
         <Route path="*" element={<Navigate to="/" replace />} />
       </Route>
     </Routes>

frontend/src/components/CreateProjectDialog.tsx

@@ -0,0 +1,96 @@
+import { Modal, Form, Input, Radio, message } from 'antd';
+import { useProjectStore, Project } from '../stores/useProjectStore';
+
+const { TextArea } = Input;
+
+export const CreateProjectDialog = () => {
+  const [form] = Form.useForm();
+  const { showCreateDialog, setShowCreateDialog, addProject } = useProjectStore();
+
+  const handleOk = async () => {
+    try {
+      const values = await form.validateFields();
+      
+      // 模拟创建项目（后续会调用真实API）
+      const newProject: Project = {
+        id: `proj-${Date.now()}`,
+        name: values.name,
+        background: values.background || '',
+        researchType: values.researchType,
+        createdAt: new Date().toISOString(),
+        updatedAt: new Date().toISOString(),
+      };
+      
+      addProject(newProject);
+      message.success('项目创建成功');
+      form.resetFields();
+      setShowCreateDialog(false);
+    } catch (error) {
+      console.error('表单验证失败:', error);
+    }
+  };
+
+  const handleCancel = () => {
+    form.resetFields();
+    setShowCreateDialog(false);
+  };
+
+  return (
+    <Modal
+      title="创建新项目"
+      open={showCreateDialog}
+      onOk={handleOk}
+      onCancel={handleCancel}
+      width={600}
+      okText="创建"
+      cancelText="取消"
+    >
+      <Form
+        form={form}
+        layout="vertical"
+        initialValues={{ researchType: 'observational' }}
+      >
+        <Form.Item
+          name="name"
+          label="项目名称"
+          rules={[
+            { required: true, message: '请输入项目名称' },
+            { max: 100, message: '项目名称不能超过100个字符' },
+          ]}
+        >
+          <Input placeholder="例如：心血管疾病与生活方式关系研究" />
+        </Form.Item>
+
+        <Form.Item
+          name="researchType"
+          label="研究类型"
+          rules={[{ required: true, message: '请选择研究类型' }]}
+        >
+          <Radio.Group>
+            <Radio value="observational">观察性研究</Radio>
+            <Radio value="interventional">干预性研究</Radio>
+          </Radio.Group>
+        </Form.Item>
+
+        <Form.Item
+          name="background"
+          label="项目背景"
+          tooltip="可以包括：研究背景、目标人群、研究目的等"
+        >
+          <TextArea
+            rows={6}
+            placeholder="请详细描述项目背景信息，AI将基于这些信息提供更精准的建议...
+
+例如：
+研究背景：心血管疾病是全球主要死因之一...
+目标人群：18-65岁成年人
+研究目的：探索生活方式与心血管疾病的关系"
+            maxLength={2000}
+            showCount
+          />
+        </Form.Item>
+      </Form>
+    </Modal>
+  );
+};
+

frontend/src/components/EditProjectDialog.tsx

@@ -0,0 +1,105 @@
+import { Modal, Form, Input, Radio, message } from 'antd';
+import { useEffect } from 'react';
+import { useProjectStore } from '../stores/useProjectStore';
+
+const { TextArea } = Input;
+
+export const EditProjectDialog = () => {
+  const [form] = Form.useForm();
+  const {
+    currentProject,
+    showEditDialog,
+    setShowEditDialog,
+    updateProject,
+  } = useProjectStore();
+
+  // 当对话框打开时，填充表单
+  useEffect(() => {
+    if (showEditDialog && currentProject) {
+      form.setFieldsValue({
+        name: currentProject.name,
+        researchType: currentProject.researchType,
+        background: currentProject.background,
+      });
+    }
+  }, [showEditDialog, currentProject, form]);
+
+  const handleOk = async () => {
+    if (!currentProject) return;
+
+    try {
+      const values = await form.validateFields();
+      
+      // 模拟更新项目（后续会调用真实API）
+      updateProject(currentProject.id, {
+        name: values.name,
+        background: values.background || '',
+        researchType: values.researchType,
+        updatedAt: new Date().toISOString(),
+      });
+      
+      message.success('项目更新成功');
+      setShowEditDialog(false);
+    } catch (error) {
+      console.error('表单验证失败:', error);
+    }
+  };
+
+  const handleCancel = () => {
+    form.resetFields();
+    setShowEditDialog(false);
+  };
+
+  return (
+    <Modal
+      title="编辑项目"
+      open={showEditDialog}
+      onOk={handleOk}
+      onCancel={handleCancel}
+      width={600}
+      okText="保存"
+      cancelText="取消"
+    >
+      <Form
+        form={form}
+        layout="vertical"
+      >
+        <Form.Item
+          name="name"
+          label="项目名称"
+          rules={[
+            { required: true, message: '请输入项目名称' },
+            { max: 100, message: '项目名称不能超过100个字符' },
+          ]}
+        >
+          <Input placeholder="例如：心血管疾病与生活方式关系研究" />
+        </Form.Item>
+
+        <Form.Item
+          name="researchType"
+          label="研究类型"
+          rules={[{ required: true, message: '请选择研究类型' }]}
+        >
+          <Radio.Group>
+            <Radio value="observational">观察性研究</Radio>
+            <Radio value="interventional">干预性研究</Radio>
+          </Radio.Group>
+        </Form.Item>
+
+        <Form.Item
+          name="background"
+          label="项目背景"
+          tooltip="可以包括：研究背景、目标人群、研究目的等"
+        >
+          <TextArea
+            rows={6}
+            placeholder="请详细描述项目背景信息，AI将基于这些信息提供更精准的建议..."
+            maxLength={2000}
+            showCount
+          />
+        </Form.Item>
+      </Form>
+    </Modal>
+  );
+};
+

frontend/src/components/ProjectSelector.tsx

@@ -0,0 +1,75 @@
+import { Select, Button, Space, Tooltip } from 'antd';
+import { PlusOutlined, EditOutlined, FolderOpenOutlined } from '@ant-design/icons';
+import { useProjectStore } from '../stores/useProjectStore';
+
+export const ProjectSelector = () => {
+  const {
+    currentProject,
+    projects,
+    setCurrentProject,
+    setShowCreateDialog,
+    setShowEditDialog,
+  } = useProjectStore();
+
+  const handleProjectChange = (projectId: string) => {
+    if (projectId === 'global') {
+      setCurrentProject(null);
+    } else {
+      const project = projects.find((p) => p.id === projectId);
+      if (project) {
+        setCurrentProject(project);
+      }
+    }
+  };
+
+  return (
+    <div className="p-4 border-b border-gray-200">
+      <div className="flex items-center gap-2 mb-2">
+        <FolderOpenOutlined className="text-gray-400" />
+        <span className="text-sm font-medium text-gray-700">当前项目</span>
+      </div>
+      
+      <Space.Compact block>
+        <Select
+          value={currentProject?.id || 'global'}
+          onChange={handleProjectChange}
+          style={{ width: '100%' }}
+          placeholder="选择项目"
+        >
+          <Select.Option value="global">
+            <span className="text-blue-600">全局快速问答</span>
+          </Select.Option>
+          
+          {projects.map((project) => (
+            <Select.Option key={project.id} value={project.id}>
+              {project.name}
+            </Select.Option>
+          ))}
+        </Select>
+        
+        <Tooltip title="创建新项目">
+          <Button
+            icon={<PlusOutlined />}
+            onClick={() => setShowCreateDialog(true)}
+          />
+        </Tooltip>
+        
+        {currentProject && (
+          <Tooltip title="编辑项目">
+            <Button
+              icon={<EditOutlined />}
+              onClick={() => setShowEditDialog(true)}
+            />
+          </Tooltip>
+        )}
+      </Space.Compact>
+      
+      {currentProject && (
+        <div className="mt-2 text-xs text-gray-500 truncate">
+          {currentProject.background || '未设置项目背景'}
+        </div>
+      )}
+    </div>
+  );
+};
+

frontend/src/layouts/MainLayout.tsx

@@ -6,28 +6,38 @@ import {
   MenuUnfoldOutlined,
   HomeOutlined,
   ExperimentOutlined,
+  FolderOpenOutlined,
+  HistoryOutlined,
   UserOutlined,
   SettingOutlined,
   LogoutOutlined,
 } from '@ant-design/icons'
 import type { MenuProps } from 'antd'
+import { ProjectSelector } from '../components/ProjectSelector'
+import { CreateProjectDialog } from '../components/CreateProjectDialog'
+import { EditProjectDialog } from '../components/EditProjectDialog'
 
 const { Header, Sider, Content } = Layout
 
-// 12个智能体配置
-const AGENTS = [
-  { id: 'topic-evaluation', name: '选题评价智能体', icon: '🎯' },
-  { id: 'scientific-question', name: '科学问题梳理智能体', icon: '🔬' },
-  { id: 'picos-construction', name: 'PICOS构建智能体', icon: '📋' },
-  { id: 'observation-design', name: '观察指标设计智能体', icon: '📊' },
-  { id: 'crf-development', name: 'CRF制定智能体', icon: '📝' },
-  { id: 'sample-size', name: '样本量计算智能体', icon: '🔢' },
-  { id: 'protocol-writing', name: '临床研究方案撰写智能体', icon: '📄' },
-  { id: 'paper-polishing', name: '论文润色智能体', icon: '✨' },
-  { id: 'paper-translation', name: '论文翻译智能体', icon: '🌐' },
-  { id: 'methodology-review', name: '方法学评审智能体', icon: '🔍' },
-  { id: 'journal-methodology-review', name: '期刊方法学评审智能体', icon: '📑' },
-  { id: 'journal-guidelines-review', name: '期刊稿约评审智能体', icon: '✅' },
+// 12个智能体配置（已按PRD更正）
+export const AGENTS = [
+  // 选题阶段
+  { id: 'topic-evaluation', name: '选题评价智能体', icon: '🎯', enabled: true },
+  { id: 'scientific-question', name: '科学问题梳理智能体', icon: '🔬', enabled: false },
+  { id: 'picos-construction', name: 'PICOS构建智能体', icon: '📋', enabled: false },
+  
+  // 研究设计阶段
+  { id: 'observation-design', name: '观察指标设计智能体', icon: '📊', enabled: false },
+  { id: 'crf-development', name: 'CRF制定智能体', icon: '📝', enabled: false },
+  { id: 'sample-size', name: '样本量计算智能体', icon: '🔢', enabled: false },
+  { id: 'protocol-writing', name: '临床研究方案撰写智能体', icon: '📄', enabled: false },
+  
+  // 论文撰写阶段
+  { id: 'paper-polishing', name: '论文润色智能体', icon: '✨', enabled: false },
+  { id: 'paper-translation', name: '论文翻译智能体', icon: '🌐', enabled: false },
+  { id: 'methodology-review', name: '方法学评审智能体', icon: '🔍', enabled: false },
+  { id: 'journal-methodology-review', name: '期刊方法学评审智能体', icon: '📑', enabled: false },
+  { id: 'journal-guidelines-review', name: '期刊稿约评审智能体', icon: '✅', enabled: false },
 ]
 
 const MainLayout = () => {
@@ -49,8 +59,19 @@ const MainLayout = () => {
       children: AGENTS.map((agent) => ({
         key: `/agent/${agent.id}`,
         label: `${agent.icon} ${agent.name}`,
+        disabled: !agent.enabled,
       })),
     },
+    {
+      key: '/knowledge',
+      icon: <FolderOpenOutlined />,
+      label: '知识库管理',
+    },
+    {
+      key: '/history',
+      icon: <HistoryOutlined />,
+      label: '历史记录',
+    },
   ]
 
   // 用户下拉菜单
@@ -90,7 +111,15 @@ const MainLayout = () => {
   return (
     <Layout style={{ height: '100vh' }}>
       {/* 侧边栏 */}
-      <Sider trigger={null} collapsible collapsed={collapsed} theme="light">
+      <Sider
+        trigger={null}
+        collapsible
+        collapsed={collapsed}
+        theme="light"
+        width={280}
+        style={{ overflow: 'auto' }}
+      >
+        {/* Logo区域 */}
         <div
           style={{
             height: 64,
@@ -105,6 +134,11 @@ const MainLayout = () => {
         >
           {collapsed ? '🏥' : '🏥 AI临床研究'}
         </div>
+
+        {/* 项目选择器 */}
+        {!collapsed && <ProjectSelector />}
+
+        {/* 导航菜单 */}
         <Menu
           mode="inline"
           selectedKeys={[location.pathname]}
@@ -160,9 +194,12 @@ const MainLayout = () => {
           <Outlet />
         </Content>
       </Layout>
+
+      {/* 对话框组件 */}
+      <CreateProjectDialog />
+      <EditProjectDialog />
     </Layout>
   )
 }
 
 export default MainLayout
-

frontend/src/pages/AgentChatPage.tsx

@@ -0,0 +1,167 @@
+import { useParams } from 'react-router-dom'
+import { Card, Typography, Input, Button, Space, Select, Upload, Tag, Alert, Divider } from 'antd'
+import {
+  SendOutlined,
+  PaperClipOutlined,
+  RobotOutlined,
+  FolderOpenOutlined,
+  SyncOutlined,
+} from '@ant-design/icons'
+import { AGENTS } from '../layouts/MainLayout'
+
+const { Title, Paragraph } = Typography
+const { TextArea } = Input
+
+const AgentChatPage = () => {
+  const { agentId } = useParams()
+  const agent = AGENTS.find((a) => a.id === agentId)
+
+  if (!agent) {
+    return (
+      <Alert
+        message="智能体不存在"
+        description="请从首页选择一个智能体"
+        type="error"
+        showIcon
+      />
+    )
+  }
+
+  if (!agent.enabled) {
+    return (
+      <Alert
+        message="该智能体正在开发中"
+        description="敬请期待后续版本..."
+        type="warning"
+        showIcon
+      />
+    )
+  }
+
+  return (
+    <div style={{ height: '100%', display: 'flex', flexDirection: 'column' }}>
+      {/* 标题栏 */}
+      <Card style={{ marginBottom: 16 }}>
+        <Space align="center">
+          <span style={{ fontSize: 32 }}>{agent.icon}</span>
+          <div>
+            <Title level={3} style={{ marginBottom: 4 }}>
+              {agent.name}
+            </Title>
+            <Paragraph type="secondary" style={{ marginBottom: 0 }}>
+              当前模型：DeepSeek-V3
+            </Paragraph>
+          </div>
+        </Space>
+      </Card>
+
+      {/* 聊天区域 */}
+      <Card
+        style={{
+          flex: 1,
+          display: 'flex',
+          flexDirection: 'column',
+          overflow: 'hidden',
+        }}
+        bodyStyle={{
+          flex: 1,
+          display: 'flex',
+          flexDirection: 'column',
+          padding: 0,
+        }}
+      >
+        {/* 消息列表区域（占位符） */}
+        <div
+          style={{
+            flex: 1,
+            padding: 24,
+            overflowY: 'auto',
+            background: '#fafafa',
+          }}
+        >
+          <div style={{ textAlign: 'center', padding: '60px 0', color: '#999' }}>
+            <RobotOutlined style={{ fontSize: 64, marginBottom: 16 }} />
+            <div>开始对话，我将为您提供专业的研究建议</div>
+          </div>
+
+          {/* 消息示例（占位符） */}
+          <div style={{ maxWidth: 800, margin: '0 auto' }}>
+            <div style={{ marginBottom: 24 }}>
+              <Tag color="blue" style={{ marginBottom: 8 }}>
+                用户
+              </Tag>
+              <Card size="small">
+                <Paragraph style={{ marginBottom: 0 }}>
+                  这是一个示例消息...（开发中）
+                </Paragraph>
+              </Card>
+            </div>
+
+            <div style={{ marginBottom: 24 }}>
+              <Tag color="green" style={{ marginBottom: 8 }}>
+                AI助手
+              </Tag>
+              <Card size="small">
+                <Paragraph style={{ marginBottom: 0 }}>
+                  这是AI的回复示例...（开发中）
+                </Paragraph>
+              </Card>
+            </div>
+          </div>
+        </div>
+
+        <Divider style={{ margin: 0 }} />
+
+        {/* 输入区域 */}
+        <div style={{ padding: 16, background: '#fff' }}>
+          {/* 工具栏 */}
+          <Space style={{ marginBottom: 12, width: '100%', justifyContent: 'space-between' }}>
+            <Space>
+              <Upload showUploadList={false}>
+                <Button icon={<PaperClipOutlined />}>上传文件</Button>
+              </Upload>
+              
+              <Button icon={<FolderOpenOutlined />}>
+                @ 知识库
+              </Button>
+
+              <Select
+                defaultValue="deepseek-v3"
+                style={{ width: 180 }}
+                options={[
+                  { label: 'DeepSeek-V3', value: 'deepseek-v3' },
+                  { label: 'Qwen3-72B', value: 'qwen3-72b' },
+                  { label: 'Gemini Pro', value: 'gemini-pro' },
+                ]}
+              />
+            </Space>
+
+            <Tag color="orange" icon={<SyncOutlined spin />}>
+              功能开发中...
+            </Tag>
+          </Space>
+
+          {/* 输入框 */}
+          <Space.Compact style={{ width: '100%' }}>
+            <TextArea
+              placeholder="输入您的问题... （功能开发中）"
+              autoSize={{ minRows: 2, maxRows: 6 }}
+              disabled
+            />
+            <Button
+              type="primary"
+              icon={<SendOutlined />}
+              style={{ height: 'auto' }}
+              disabled
+            >
+              发送
+            </Button>
+          </Space.Compact>
+        </div>
+      </Card>
+    </div>
+  )
+}
+
+export default AgentChatPage
+

frontend/src/pages/AgentPage.tsx

@@ -1,92 +0,0 @@
-import { useParams } from 'react-router-dom'
-import { Card, Typography, Tag, Button, Space } from 'antd'
-import { ArrowLeftOutlined } from '@ant-design/icons'
-import { useNavigate } from 'react-router-dom'
-
-const { Title, Paragraph } = Typography
-
-const AGENTS_MAP: Record<string, { name: string; icon: string; desc: string }> = {
-  'topic-evaluation': { name: '选题评价智能体', icon: '🎯', desc: '从创新性、临床价值、科学性和可行性等维度评估研究选题' },
-  'scientific-question': { name: '科学问题梳理智能体', icon: '🔬', desc: '将模糊的研究想法提炼成清晰、具体、可验证的科学问题' },
-  'picos-construction': { name: 'PICOS构建智能体', icon: '📋', desc: '按照PICOS原则结构化定义临床研究的核心要素' },
-  'observation-design': { name: '观察指标设计智能体', icon: '📊', desc: '推荐合适的主要、次要及安全性观察指标集' },
-  'crf-development': { name: 'CRF制定智能体', icon: '📝', desc: '自动生成结构化、符合规范的病例报告表（CRF）框架' },
-  'sample-size': { name: '样本量计算智能体', icon: '🔢', desc: '根据研究参数提供科学合理的样本量估算结果' },
-  'protocol-writing': { name: '临床研究方案撰写智能体', icon: '📄', desc: '自动生成结构完整的临床研究设计方案' },
-  'paper-polishing': { name: '论文润色智能体', icon: '✨', desc: '提供专业级的语言润色，修正语法、拼写和表达方式' },
-  'paper-translation': { name: '论文翻译智能体', icon: '🌐', desc: '提供专业、精准的中英互译服务' },
-  'methodology-review': { name: '方法学评审智能体', icon: '🔍', desc: '对研究方案或论文进行全面的方法学评审' },
-  'journal-methodology-review': { name: '期刊方法学评审智能体', icon: '📑', desc: '模拟期刊审稿人视角，进行方法学挑战' },
-  'journal-guidelines-review': { name: '期刊稿约评审智能体', icon: '✅', desc: '检查文章格式、字数、参考文献规范等是否符合投稿要求' },
-}
-
-const AgentPage = () => {
-  const { agentId } = useParams<{ agentId: string }>()
-  const navigate = useNavigate()
-  
-  const agent = agentId ? AGENTS_MAP[agentId] : null
-
-  if (!agent) {
-    return (
-      <Card>
-        <Paragraph>智能体不存在</Paragraph>
-        <Button onClick={() => navigate('/')}>返回首页</Button>
-      </Card>
-    )
-  }
-
-  return (
-    <div>
-      {/* 头部 */}
-      <Space direction="vertical" size="large" style={{ width: '100%' }}>
-        <Button icon={<ArrowLeftOutlined />} onClick={() => navigate('/')}>
-          返回首页
-        </Button>
-
-        <Card>
-          <Space direction="vertical" size="middle" style={{ width: '100%' }}>
-            <div>
-              <span style={{ fontSize: 48, marginRight: 16 }}>{agent.icon}</span>
-              <Title level={2} style={{ display: 'inline', margin: 0 }}>
-                {agent.name}
-              </Title>
-              <Tag color="blue" style={{ marginLeft: 16 }}>
-                AI智能体
-              </Tag>
-            </div>
-            <Paragraph type="secondary" style={{ fontSize: 16 }}>
-              {agent.desc}
-            </Paragraph>
-          </Space>
-        </Card>
-
-        {/* 功能区域 - 占位符 */}
-        <Card title="智能对话区域" extra={<Tag color="orange">待开发</Tag>}>
-          <div
-            style={{
-              height: 400,
-              display: 'flex',
-              alignItems: 'center',
-              justifyContent: 'center',
-              background: '#f5f5f5',
-              borderRadius: 8,
-            }}
-          >
-            <Space direction="vertical" align="center">
-              <div style={{ fontSize: 64 }}>💬</div>
-              <Title level={4} type="secondary">
-                对话系统开发中...
-              </Title>
-              <Paragraph type="secondary">
-                Day 9-10 将实现完整的智能对话功能
-              </Paragraph>
-            </Space>
-          </div>
-        </Card>
-      </Space>
-    </div>
-  )
-}
-
-export default AgentPage
-

frontend/src/pages/HistoryPage.tsx

@@ -0,0 +1,36 @@
+import { Card, Empty, Alert } from 'antd'
+import { HistoryOutlined, SyncOutlined } from '@ant-design/icons'
+
+const HistoryPage = () => {
+  return (
+    <div>
+      <Alert
+        message="功能开发中"
+        description="历史记录功能正在开发中，您将能够查看和管理所有对话历史..."
+        type="warning"
+        showIcon
+        icon={<SyncOutlined spin />}
+        style={{ marginBottom: 24 }}
+      />
+
+      <Card>
+        <Empty
+          image={Empty.PRESENTED_IMAGE_SIMPLE}
+          imageStyle={{ height: 120 }}
+          description={
+            <div>
+              <HistoryOutlined style={{ fontSize: 48, color: '#d9d9d9', marginBottom: 16 }} />
+              <div style={{ color: '#999' }}>历史记录功能即将上线</div>
+              <div style={{ color: '#ccc', fontSize: 12, marginTop: 8 }}>
+                您将能够查看所有对话记录、按项目筛选、导出对话等
+              </div>
+            </div>
+          }
+        />
+      </Card>
+    </div>
+  )
+}
+
+export default HistoryPage
+

frontend/src/pages/HomePage.tsx

@@ -1,27 +1,35 @@
-import { Card, Row, Col, Typography, Button } from 'antd'
+import { Card, Row, Col, Typography, Button, Tag, message } from 'antd'
 import { useNavigate } from 'react-router-dom'
-import { ExperimentOutlined, RocketOutlined } from '@ant-design/icons'
+import { ExperimentOutlined, RocketOutlined, LockOutlined } from '@ant-design/icons'
 
 const { Title, Paragraph } = Typography
 
 const AGENTS = [
-  { id: 'topic-evaluation', name: '选题评价智能体', icon: '🎯', desc: '从创新性、临床价值、科学性和可行性等维度评估研究选题' },
-  { id: 'scientific-question', name: '科学问题梳理智能体', icon: '🔬', desc: '将模糊的研究想法提炼成清晰、具体、可验证的科学问题' },
-  { id: 'picos-construction', name: 'PICOS构建智能体', icon: '📋', desc: '按照PICOS原则结构化定义临床研究的核心要素' },
-  { id: 'observation-design', name: '观察指标设计智能体', icon: '📊', desc: '推荐合适的主要、次要及安全性观察指标集' },
-  { id: 'crf-development', name: 'CRF制定智能体', icon: '📝', desc: '自动生成结构化、符合规范的病例报告表（CRF）框架' },
-  { id: 'sample-size', name: '样本量计算智能体', icon: '🔢', desc: '根据研究参数提供科学合理的样本量估算结果' },
-  { id: 'protocol-writing', name: '临床研究方案撰写智能体', icon: '📄', desc: '自动生成结构完整的临床研究设计方案' },
-  { id: 'paper-polishing', name: '论文润色智能体', icon: '✨', desc: '提供专业级的语言润色，修正语法、拼写和表达方式' },
-  { id: 'paper-translation', name: '论文翻译智能体', icon: '🌐', desc: '提供专业、精准的中英互译服务' },
-  { id: 'methodology-review', name: '方法学评审智能体', icon: '🔍', desc: '对研究方案或论文进行全面的方法学评审' },
-  { id: 'journal-methodology-review', name: '期刊方法学评审智能体', icon: '📑', desc: '模拟期刊审稿人视角，进行方法学挑战' },
-  { id: 'journal-guidelines-review', name: '期刊稿约评审智能体', icon: '✅', desc: '检查文章格式、字数、参考文献规范等是否符合投稿要求' },
+  { id: 'topic-evaluation', name: '选题评价智能体', icon: '🎯', desc: '从创新性、临床价值、科学性和可行性等维度评估研究选题', enabled: true },
+  { id: 'scientific-question', name: '科学问题梳理智能体', icon: '🔬', desc: '将模糊的研究想法提炼成清晰、具体、可验证的科学问题', enabled: false },
+  { id: 'picos-construction', name: 'PICOS构建智能体', icon: '📋', desc: '按照PICOS原则结构化定义临床研究的核心要素', enabled: false },
+  { id: 'observation-design', name: '观察指标设计智能体', icon: '📊', desc: '推荐合适的主要、次要及安全性观察指标集', enabled: false },
+  { id: 'crf-development', name: 'CRF制定智能体', icon: '📝', desc: '自动生成结构化、符合规范的病例报告表（CRF）框架', enabled: false },
+  { id: 'sample-size', name: '样本量计算智能体', icon: '🔢', desc: '根据研究参数提供科学合理的样本量估算结果', enabled: false },
+  { id: 'protocol-writing', name: '临床研究方案撰写智能体', icon: '📄', desc: '自动生成结构完整的临床研究设计方案', enabled: false },
+  { id: 'paper-polishing', name: '论文润色智能体', icon: '✨', desc: '提供专业级的语言润色，修正语法、拼写和表达方式', enabled: false },
+  { id: 'paper-translation', name: '论文翻译智能体', icon: '🌐', desc: '提供专业、精准的中英互译服务', enabled: false },
+  { id: 'methodology-review', name: '方法学评审智能体', icon: '🔍', desc: '对研究方案或论文进行全面的方法学评审', enabled: false },
+  { id: 'journal-methodology-review', name: '期刊方法学评审智能体', icon: '📑', desc: '模拟期刊审稿人视角，进行方法学挑战', enabled: false },
+  { id: 'journal-guidelines-review', name: '期刊稿约评审智能体', icon: '✅', desc: '检查文章格式、字数、参考文献规范等是否符合投稿要求', enabled: false },
 ]
 
 const HomePage = () => {
   const navigate = useNavigate()
 
+  const handleAgentClick = (agent: typeof AGENTS[0]) => {
+    if (!agent.enabled) {
+      message.info('该智能体正在开发中，敬请期待！')
+      return
+    }
+    navigate(`/agent/${agent.id}`)
+  }
+
   return (
     <div>
       {/* 欢迎区域 */}
@@ -44,10 +52,23 @@ const HomePage = () => {
         {AGENTS.map((agent) => (
           <Col xs={24} sm={12} md={8} lg={6} key={agent.id}>
             <Card
-              hoverable
-              style={{ height: '100%' }}
-              onClick={() => navigate(`/agent/${agent.id}`)}
+              hoverable={agent.enabled}
+              style={{
+                height: '100%',
+                opacity: agent.enabled ? 1 : 0.7,
+                position: 'relative',
+              }}
+              onClick={() => handleAgentClick(agent)}
             >
+              {!agent.enabled && (
+                <Tag
+                  color="orange"
+                  icon={<LockOutlined />}
+                  style={{ position: 'absolute', top: 8, right: 8 }}
+                >
+                  即将上线
+                </Tag>
+              )}
               <div style={{ textAlign: 'center' }}>
                 <div style={{ fontSize: 48, marginBottom: 12 }}>{agent.icon}</div>
                 <Title level={4} style={{ marginBottom: 8 }}>
@@ -56,8 +77,8 @@ const HomePage = () => {
                 <Paragraph type="secondary" style={{ marginBottom: 16, minHeight: 44 }}>
                   {agent.desc}
                 </Paragraph>
-                <Button type="primary" block>
-                  开始使用
+                <Button type={agent.enabled ? 'primary' : 'default'} block disabled={!agent.enabled}>
+                  {agent.enabled ? '开始使用' : '敬请期待'}
                 </Button>
               </div>
             </Card>

frontend/src/pages/KnowledgePage.tsx

@@ -0,0 +1,225 @@
+import {
+  Card,
+  Button,
+  Space,
+  Table,
+  Tag,
+  Progress,
+  Alert,
+} from 'antd'
+import {
+  PlusOutlined,
+  FolderOutlined,
+  FileTextOutlined,
+  UploadOutlined,
+  DeleteOutlined,
+  SyncOutlined,
+} from '@ant-design/icons'
+
+const KnowledgePage = () => {
+  // 模拟知识库数据
+  const mockKnowledgeBases = [
+    {
+      id: '1',
+      name: '心血管疾病研究文献库',
+      fileCount: 15,
+      totalSize: '45MB',
+      createdAt: '2025-10-05',
+      status: 'ready',
+    },
+  ]
+
+  // 模拟文档数据
+  const mockDocuments = [
+    {
+      id: '1',
+      name: '高血压治疗指南2024.pdf',
+      size: '3.2MB',
+      uploadedAt: '2025-10-05 14:30',
+      status: 'processed',
+    },
+    {
+      id: '2',
+      name: '心血管疾病流行病学研究.docx',
+      size: '1.8MB',
+      uploadedAt: '2025-10-05 15:20',
+      status: 'processing',
+    },
+  ]
+
+  const kbColumns = [
+    {
+      title: '知识库名称',
+      dataIndex: 'name',
+      key: 'name',
+      render: (text: string) => (
+        <Space>
+          <FolderOutlined style={{ color: '#1890ff' }} />
+          <span>{text}</span>
+        </Space>
+      ),
+    },
+    {
+      title: '文档数量',
+      dataIndex: 'fileCount',
+      key: 'fileCount',
+      render: (count: number) => `${count} / 50`,
+    },
+    {
+      title: '总大小',
+      dataIndex: 'totalSize',
+      key: 'totalSize',
+    },
+    {
+      title: '创建时间',
+      dataIndex: 'createdAt',
+      key: 'createdAt',
+    },
+    {
+      title: '状态',
+      dataIndex: 'status',
+      key: 'status',
+      render: (status: string) => (
+        <Tag color={status === 'ready' ? 'green' : 'orange'}>
+          {status === 'ready' ? '就绪' : '处理中'}
+        </Tag>
+      ),
+    },
+    {
+      title: '操作',
+      key: 'actions',
+      render: () => (
+        <Space>
+          <Button size="small" icon={<UploadOutlined />} disabled>
+            上传
+          </Button>
+          <Button size="small" danger icon={<DeleteOutlined />} disabled>
+            删除
+          </Button>
+        </Space>
+      ),
+    },
+  ]
+
+  const docColumns = [
+    {
+      title: '文件名',
+      dataIndex: 'name',
+      key: 'name',
+      render: (text: string) => (
+        <Space>
+          <FileTextOutlined />
+          <span>{text}</span>
+        </Space>
+      ),
+    },
+    {
+      title: '大小',
+      dataIndex: 'size',
+      key: 'size',
+    },
+    {
+      title: '上传时间',
+      dataIndex: 'uploadedAt',
+      key: 'uploadedAt',
+    },
+    {
+      title: '处理状态',
+      dataIndex: 'status',
+      key: 'status',
+      render: (status: string) => {
+        if (status === 'processed') {
+          return <Tag color="green">已完成</Tag>
+        }
+        return (
+          <Space>
+            <Tag color="processing" icon={<SyncOutlined spin />}>
+              处理中
+            </Tag>
+            <Progress percent={65} size="small" style={{ width: 100 }} />
+          </Space>
+        )
+      },
+    },
+    {
+      title: '操作',
+      key: 'actions',
+      render: () => (
+        <Button size="small" danger icon={<DeleteOutlined />} disabled>
+          删除
+        </Button>
+      ),
+    },
+  ]
+
+  return (
+    <div>
+      {/* 提示信息 */}
+      <Alert
+        message="知识库功能说明"
+        description="每个用户最多可创建3个知识库，每个知识库最多上传50个文件（支持PDF、DOCX格式）。在对话时可以@知识库，让AI基于您的文献进行回答。"
+        type="info"
+        showIcon
+        closable
+        style={{ marginBottom: 16 }}
+      />
+
+      <Alert
+        message="功能开发中"
+        description="知识库管理功能正在开发中，敬请期待..."
+        type="warning"
+        showIcon
+        icon={<SyncOutlined spin />}
+        style={{ marginBottom: 24 }}
+      />
+
+      {/* 知识库列表 */}
+      <Card
+        title={
+          <Space>
+            <FolderOutlined />
+            <span>我的知识库 (1/3)</span>
+          </Space>
+        }
+        extra={
+          <Button type="primary" icon={<PlusOutlined />} disabled>
+            创建知识库
+          </Button>
+        }
+        style={{ marginBottom: 24 }}
+      >
+        <Table
+          columns={kbColumns}
+          dataSource={mockKnowledgeBases}
+          rowKey="id"
+          pagination={false}
+        />
+      </Card>
+
+      {/* 文档列表 */}
+      <Card
+        title={
+          <Space>
+            <FileTextOutlined />
+            <span>文档列表：心血管疾病研究文献库</span>
+          </Space>
+        }
+        extra={
+          <Button icon={<UploadOutlined />} disabled>
+            上传文件
+          </Button>
+        }
+      >
+        <Table
+          columns={docColumns}
+          dataSource={mockDocuments}
+          rowKey="id"
+          pagination={false}
+        />
+      </Card>
+    </div>
+  )
+}
+
+export default KnowledgePage
+

frontend/src/stores/useProjectStore.ts

@@ -0,0 +1,69 @@
+import { create } from 'zustand';
+
+export interface Project {
+  id: string;
+  name: string;
+  background: string;
+  researchType: 'observational' | 'interventional';
+  createdAt: string;
+  updatedAt: string;
+}
+
+interface ProjectState {
+  // 当前选中的项目
+  currentProject: Project | null;
+  
+  // 所有项目列表
+  projects: Project[];
+  
+  // 是否显示创建项目对话框
+  showCreateDialog: boolean;
+  
+  // 是否显示编辑项目对话框
+  showEditDialog: boolean;
+  
+  // Actions
+  setCurrentProject: (project: Project | null) => void;
+  setProjects: (projects: Project[]) => void;
+  addProject: (project: Project) => void;
+  updateProject: (id: string, updates: Partial<Project>) => void;
+  deleteProject: (id: string) => void;
+  setShowCreateDialog: (show: boolean) => void;
+  setShowEditDialog: (show: boolean) => void;
+}
+
+export const useProjectStore = create<ProjectState>((set) => ({
+  currentProject: null,
+  projects: [],
+  showCreateDialog: false,
+  showEditDialog: false,
+  
+  setCurrentProject: (project) => set({ currentProject: project }),
+  
+  setProjects: (projects) => set({ projects }),
+  
+  addProject: (project) => set((state) => ({
+    projects: [...state.projects, project],
+  })),
+  
+  updateProject: (id, updates) => set((state) => ({
+    projects: state.projects.map((p) =>
+      p.id === id ? { ...p, ...updates } : p
+    ),
+    currentProject:
+      state.currentProject?.id === id
+        ? { ...state.currentProject, ...updates }
+        : state.currentProject,
+  })),
+  
+  deleteProject: (id) => set((state) => ({
+    projects: state.projects.filter((p) => p.id !== id),
+    currentProject:
+      state.currentProject?.id === id ? null : state.currentProject,
+  })),
+  
+  setShowCreateDialog: (show) => set({ showCreateDialog: show }),
+  
+  setShowEditDialog: (show) => set({ showEditDialog: show }),
+}));
+