feat: add TaskAssistant page with AI chat + admin layout updates + service layer

package-lock.json

@@ -2811,7 +2811,7 @@
     },
     "node_modules/echarts": {
       "version": "6.1.0",
-      "resolved": "https://registry.npmmirror.com/echarts/-/echarts-6.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/echarts/-/echarts-6.1.0.tgz",
       "integrity": "sha512-q0yaFPggC9FUdsWH4blavRWFmxdrIodbkoKNAjJudAI6CA9gNPxHtV2RcZNEepZVlk4yvBYkOkbk6HIVpIyHZA==",
       "license": "Apache-2.0",
       "dependencies": {

src/App.tsx

@@ -1,4 +1,4 @@
-import { Suspense, lazy } from 'react'
+import { Suspense, lazy } from 'react'
 import { BrowserRouter, Routes, Route } from 'react-router-dom'
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { ConfigProvider } from 'antd'
@@ -12,6 +12,7 @@ import AdminLayout from './layouts/AdminLayout'
 const Login = lazy(() => import('./pages/Login'))
 const Dashboard = lazy(() => import('./pages/Dashboard'))
 const UserManagement = lazy(() => import('./pages/UserManagement'))
+const TaskAssistant = lazy(() => import('./pages/TaskAssistant'))
 const Placeholder = lazy(() => import('./pages/Placeholder'))
 const ForbiddenPage = lazy(() => import('./pages/403'))
 const NotFoundPage = lazy(() => import('./pages/404'))
@@ -39,6 +40,7 @@ function App() {
                   }
                 >
                   <Route index element={<Dashboard />} />
+                  <Route path="assistant" element={<TaskAssistant />} />
                   <Route
                     path="users"
                     element={

src/config/menu.tsx

@@ -1,6 +1,5 @@
-import type React from 'react'
+import type React from 'react'
-import {
+import { RobotOutlined, DashboardOutlined,
-  DashboardOutlined,
   UserOutlined,
   BookOutlined,
   ImportOutlined,
@@ -23,6 +22,7 @@ export interface AdminMenuItem {
 
 export const adminMenuItems: AdminMenuItem[] = [
   { path: '/', name: '总览', icon: <DashboardOutlined /> },
+  { path: '/assistant', name: '任务助理', icon: <RobotOutlined /> },
   {
     path: '/users',
     name: '用户管理',

src/layouts/AdminLayout.tsx

@@ -1,4 +1,4 @@
-import { Outlet, useNavigate, useLocation } from 'react-router-dom'
+import { Outlet, useNavigate, useLocation } from 'react-router-dom'
 import { ProLayout } from '@ant-design/pro-components'
 import { Dropdown, Avatar, Tag, Space, message } from 'antd'
 import { LogoutOutlined, UserOutlined } from '@ant-design/icons'
@@ -9,6 +9,7 @@ import type { AdminRole } from '@/types/admin'
 
 const breadcrumbMap: Record<string, string> = {
   '/': '总览',
+  '/assistant': '任务助理',
   '/users': '用户管理',
   '/users/admins': '管理员',
   '/users/members': '普通用户',

src/pages/Dashboard.tsx

@@ -1,4 +1,4 @@
-import { useMemo } from 'react'
+import { useMemo } from 'react'
 import { Row, Col, Typography } from 'antd'
 import { useQuery } from '@tanstack/react-query'
 import ReactEChartsCore from 'echarts-for-react/esm/core'

src/pages/TaskAssistant.tsx

@@ -0,0 +1,203 @@
+import { useState, useRef, useEffect } from 'react'
+import { Typography, Input, Button, Space, Avatar, Spin, theme } from 'antd'
+import { SendOutlined, RobotOutlined, UserOutlined } from '@ant-design/icons'
+import { sendMessage } from '@/services/ai-chat'
+
+const { Title, Text } = Typography
+const { TextArea } = Input
+
+interface Message {
+  id: string
+  role: 'user' | 'assistant'
+  content: string
+  timestamp: number
+}
+
+export default function TaskAssistant() {
+  const [messages, setMessages] = useState<Message[]>([])
+  const [input, setInput] = useState('')
+  const [loading, setLoading] = useState(false)
+  const messagesEndRef = useRef<HTMLDivElement>(null)
+  const { token } = theme.useToken()
+
+  useEffect(() => {
+    messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' })
+  }, [messages])
+
+  const handleSend = async () => {
+    const text = input.trim()
+    if (!text || loading) return
+
+    const userMsg: Message = {
+      id: Date.now().toString(),
+      role: 'user',
+      content: text,
+      timestamp: Date.now(),
+    }
+    setMessages(prev => [...prev, userMsg])
+    setInput('')
+    setLoading(true)
+
+    try {
+      const reply = await sendMessage([...messages, userMsg].map(m => ({
+        role: m.role,
+        content: m.content,
+      })))
+
+      const assistantMsg: Message = {
+        id: (Date.now() + 1).toString(),
+        role: 'assistant',
+        content: reply,
+        timestamp: Date.now(),
+      }
+      setMessages(prev => [...prev, assistantMsg])
+    } catch (err) {
+      const errorMsg: Message = {
+        id: (Date.now() + 1).toString(),
+        role: 'assistant',
+        content: '抱歉，请求失败：' + (err instanceof Error ? err.message : '未知错误'),
+        timestamp: Date.now(),
+      }
+      setMessages(prev => [...prev, errorMsg])
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  const handleKeyDown = (e: React.KeyboardEvent) => {
+    if (e.key === 'Enter' && !e.shiftKey) {
+      e.preventDefault()
+      handleSend()
+    }
+  }
+
+  return (
+    <div style={{ display: 'flex', flexDirection: 'column', height: 'calc(100vh - 112px)' }}>
+      <div style={{ marginBottom: 16 }}>
+        <Title level={4} style={{ margin: 0 }}>任务助理</Title>
+        <Text type="secondary">AI 助手，随时为你提供帮助</Text>
+      </div>
+
+      <div
+        style={{
+          flex: 1,
+          overflowY: 'auto',
+          background: token.colorBgContainer,
+          borderRadius: token.borderRadiusLG,
+          padding: '20px 24px',
+          marginBottom: 16,
+          border: `1px solid ${token.colorBorderSecondary}`,
+        }}
+      >
+        {messages.length === 0 && (
+          <div
+            style={{
+              display: 'flex',
+              flexDirection: 'column',
+              alignItems: 'center',
+              justifyContent: 'center',
+              height: '100%',
+              color: token.colorTextQuaternary,
+            }}
+          >
+            <RobotOutlined style={{ fontSize: 48, marginBottom: 16 }} />
+            <Text type="secondary" style={{ fontSize: 16 }}>有什么我可以帮助你的？</Text>
+            <Text type="secondary" style={{ fontSize: 13, marginTop: 8 }}>
+              输入你的问题，AI 助手将为你解答
+            </Text>
+          </div>
+        )}
+
+        {messages.map(msg => (
+          <div
+            key={msg.id}
+            style={{
+              display: 'flex',
+              gap: 12,
+              marginBottom: 20,
+              flexDirection: msg.role === 'user' ? 'row-reverse' : 'row',
+            }}
+          >
+            <Avatar
+              size={36}
+              icon={msg.role === 'user' ? <UserOutlined /> : <RobotOutlined />}
+              style={{
+                backgroundColor: msg.role === 'user' ? token.colorPrimary : token.colorSuccess,
+                flexShrink: 0,
+              }}
+            />
+            <div
+              style={{
+                maxWidth: '72%',
+                padding: '10px 16px',
+                borderRadius: 12,
+                background: msg.role === 'user'
+                  ? token.colorPrimary
+                  : token.colorFillAlter,
+                color: msg.role === 'user' ? '#fff' : token.colorText,
+                lineHeight: 1.7,
+                whiteSpace: 'pre-wrap',
+                wordBreak: 'break-word',
+              }}
+            >
+              {msg.content}
+            </div>
+          </div>
+        ))}
+
+        {loading && (
+          <div style={{ display: 'flex', gap: 12, marginBottom: 20 }}>
+            <Avatar
+              size={36}
+              icon={<RobotOutlined />}
+              style={{ backgroundColor: token.colorSuccess, flexShrink: 0 }}
+            />
+            <div
+              style={{
+                maxWidth: '72%',
+                padding: '10px 16px',
+                borderRadius: 12,
+                background: token.colorFillAlter,
+              }}
+            >
+              <Spin size="small" /> <Text type="secondary">思考中...</Text>
+            </div>
+          </div>
+        )}
+
+        <div ref={messagesEndRef} />
+      </div>
+
+      <div
+        style={{
+          padding: '12px 16px',
+          background: token.colorBgContainer,
+          borderRadius: token.borderRadiusLG,
+          border: `1px solid ${token.colorBorderSecondary}`,
+        }}
+      >
+        <Space.Compact style={{ width: '100%' }}>
+          <TextArea
+            value={input}
+            onChange={e => setInput(e.target.value)}
+            onKeyDown={handleKeyDown}
+            placeholder="输入你的问题，Enter 发送，Shift+Enter 换行"
+            autoSize={{ minRows: 1, maxRows: 4 }}
+            disabled={loading}
+            style={{ resize: 'none' }}
+          />
+          <Button
+            type="primary"
+            icon={<SendOutlined />}
+            onClick={handleSend}
+            loading={loading}
+            disabled={!input.trim()}
+            style={{ height: 'auto' }}
+          >
+            发送
+          </Button>
+        </Space.Compact>
+      </div>
+    </div>
+  )
+}

src/routes/index.tsx

@@ -1,7 +1,8 @@
-import { lazy } from 'react'
+import { lazy } from 'react'
 import type { AdminRole } from '@/types/admin'
 
 const Dashboard = lazy(() => import('@/pages/Dashboard'))
+const TaskAssistant = lazy(() => import('@/pages/TaskAssistant'))
 const UserManagement = lazy(() => import('@/pages/UserManagement'))
 
 export interface RouteConfig {
@@ -13,6 +14,7 @@ export interface RouteConfig {
 
 export const routeConfig: RouteConfig[] = [
   { path: '/', title: '总览', element: Dashboard },
+  { path: '/assistant', title: '任务助理', element: TaskAssistant },
   { path: '/users', title: '用户管理', element: UserManagement, requiredRole: 'ADMIN' },
   { path: '/users/admins', title: '管理员', element: UserManagement, requiredRole: 'SUPER_ADMIN' },
   { path: '/users/members', title: '普通用户', element: UserManagement },

src/services/admin-api.ts

@@ -1,4 +1,4 @@
-import type {
+import type {
   AdminUser,
   DashboardStats,
   AuditLog,
@@ -40,12 +40,8 @@ export function getCurrentAdmin(): Promise<AdminUser> {
 // ── Dashboard ─────────────────────────────────────────
 
 export async function getDashboardStats(): Promise<DashboardStats> {
-  try {
-    return await api.get<DashboardStats>('/admin-api/dashboard/stats')
-  } catch {
   if (import.meta.env.DEV) return MOCK_DASHBOARD_STATS
-    throw new Error('获取仪表盘数据失败')
+  return api.get<DashboardStats>('/admin-api/dashboard/stats')
-  }
 }
 
 // ── Admin Users ───────────────────────────────────────

src/services/ai-chat.ts

@@ -0,0 +1,16 @@
+import { api } from './http-client'
+
+interface ChatMessage {
+  role: 'user' | 'assistant' | 'system'
+  content: string
+}
+
+interface ChatResponse {
+  content: string
+  usage?: { model?: string; inputTokens?: number; outputTokens?: number }
+}
+
+export async function sendMessage(messages: ChatMessage[]): Promise<string> {
+  const data = await api.post<ChatResponse>('/admin-api/ai/chat', { messages })
+  return data.content || '（无回复内容）'
+}

vite.config.ts

@@ -1,4 +1,4 @@
-import { defineConfig } from 'vite'
+import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import tailwindcss from '@tailwindcss/vite'
 import path from 'node:path'
@@ -12,6 +12,7 @@ export default defineConfig({
   },
   server: {
     port: 5174,
+    host: true,
     proxy: {
       '/api': 'https://api.longde.cloud',
       '/admin-api': 'https://api.longde.cloud',