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/callback.tsx

@@ -1,12 +1,13 @@
 import { type LoaderFunctionArgs, 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 { sessionStorage } from "~/root";
+import { sessionStorage } from "~/api/login/auth.server";
+import { toastService } from "~/components/ui";
 
 export async function loader({ request }: LoaderFunctionArgs) {
   const url = new URL(request.url);
   const code = url.searchParams.get("code");
-  const state = url.searchParams.get("state");
+  // const state = url.searchParams.get("state");
   const error = url.searchParams.get("error");
   const error_description = url.searchParams.get("error_description");
 
@@ -18,16 +19,17 @@ export async function loader({ request }: LoaderFunctionArgs) {
 
   // 检查是否有授权码
   if (!code) {
+    toastService.error("通过OAuth2.0登录回调缺少授权码");
     console.error("OAuth2.0回调缺少授权码");
     return redirect("/login?error=missing_code");
   }
 
   // 验证状态值（可选，但建议实现）
   // 这里简单验证state是否以_idp结尾
-  if (!state || !state.endsWith("_idp")) {
-    console.error("OAuth2.0状态值验证失败");
-    return redirect("/login?error=invalid_state");
-  }
+  // if (!state || !state.endsWith("_idp")) {
+  //   console.error("OAuth2.0状态值验证失败");
+  //   return redirect("/login?error=invalid_state");
+  // }
 
   try {
     // 创建OAuth客户端