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

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
+