优化登录逻辑的实现，将认证请求和token验证的处理分成两个逻辑文件。新增交叉评查任务列表的页面（尚未对接真实数据）。

app/routes/login.tsx

@@ -1,9 +1,9 @@
 import { useEffect } from "react";
 import { useSearchParams, Form } from "@remix-run/react";
 import { type MetaFunction, type LoaderFunctionArgs, type ActionFunctionArgs, redirect } from "@remix-run/node";
-import { OAuthClient } from "~/utils/oauth-client";
+import { OAuthClient } from "~/api/login/oauth-client";
 import { OAUTH_CONFIG } from "~/config/api-config";
-import { getUserSession, getSession, createUserSession } from "~/root";
+import { getUserSession, getSession, createUserSession } from "~/api/login/auth.server";
 import styles from "~/styles/pages/login.css?url";
 
 export const links = () => [