完成智慧法务前端调整20250522，还有登录和主页需要完善

app/routes/_index.tsx

@@ -1,16 +1,17 @@
 // import React from 'react';
-import { type MetaFunction } from "@remix-run/node";
+import { type MetaFunction, type LoaderFunctionArgs, redirect } from "@remix-run/node";
 import { useLoaderData } from "@remix-run/react";
 import { Card } from "~/components/ui/Card";
 import { Button } from "~/components/ui/Button";
 import { FileTag, links as fileTagLinks } from "~/components/ui/FileTag";
 // import { FileTypeTag, links as fileTypeTagLinks } from "~/components/ui/FileTypeTag";
 import { Tag } from "~/components/ui/Tag";
-import homeStyles from "~/styles/pages/home.css?url";
+import homeStyles from "~/styles/pages/sys_overview.css?url";
 import { getDocuments, type DocumentUI } from "~/api/files/documents";
 import { useState, useEffect } from "react";
 import { getHomeData } from "~/api/home/home";
 import dayjs from 'dayjs';
+import { getUserSession } from "~/root";
 
 // 文件处理状态选项
 const fileProcessingStatusOptions = [
@@ -41,8 +42,15 @@ export const meta: MetaFunction = () => {
 //   passRate: number;
 // }
 
-// 模拟数据，实际项目中应该从API获取
-export async function loader() {
+// 添加认证检查
+export async function loader({ request }: LoaderFunctionArgs) {
+  // 检查用户登录状态
+  // const { isAuthenticated } = await getUserSession(request);
+  
+  // if (!isAuthenticated) {
+  //   return redirect("/login");
+  // }
+  
   try {
     const documentSearchParams = {
       page: 1,