feat: 添加请求日志中间件以记录请求信息

Co-authored-by: Copilot <copilot@github.com>

server/api/auth/login.post.ts

@@ -1,4 +1,5 @@
 // server/api/auth/login.post.ts
+import { consola } from "consola";
 import type { IUserLoginData, IUserLoginRequest } from "#shared/types";
 import {
   clearNewApiAuthCookies,
@@ -78,10 +79,10 @@ export default defineEventHandler(async (event) => {
     if (!session) {
       // 没有 session 就不能恢复 NewAPI 登录态，必须让前端明确感知失败。
       clearNewApiAuthCookies(event);
-      return createErrorResponse(
-        500,
-        "登录成功但未收到 NewAPI session，请稍后重试"
+      consola.error(
+        "/api/auth/login 登录成功但未收到 NewAPI session，请稍后重试"
       );
+      return createErrorResponse(500, "服务器错误，请稍后重试");
     }
 
     setNewApiAuthCookies(
@@ -97,6 +98,7 @@ export default defineEventHandler(async (event) => {
     );
   } catch (error) {
     clearNewApiAuthCookies(event);
+    consola.error("/api/auth/login 登录失败", error);
     return createUpstreamErrorResponse(error, "登录失败");
   }
 });
@@ -113,6 +115,7 @@ const normalizeLoginResponse = (
   }
 
   if (!isRecord(response)) {
+    consola.error("/api/auth/login 登录失败：响应不是对象");
     return {
       message: "登录失败",
       user: null
@@ -124,6 +127,7 @@ const normalizeLoginResponse = (
     wrapped.message || (wrapped.success ? "登录成功" : "登录失败");
 
   if (wrapped.success !== true || !isUser(wrapped.data)) {
+    consola.error("/api/auth/login 登录失败：上游返回的数据格式不正确");
     return {
       message,
       user: null