more unit test fixes now the UseProfileAddress OOM has been identified

src/routes/ai.routes.ts

@@ -2,7 +2,7 @@
 import { Router, Request, Response, NextFunction } from 'express';
 import multer from 'multer';
 import path from 'path';
-import fs from 'fs';
+import fs from 'node:fs';
 import { z } from 'zod';
 import passport from './passport.routes';
 import { optionalAuth } from './passport.routes';

src/routes/auth.routes.test.ts

@@ -297,7 +297,6 @@ describe('Auth Routes (/api/auth)', () => {
       // The API now returns a nested UserProfile object
       expect(response.body.userprofile).toEqual(
         expect.objectContaining({
-          user_id: 'user-123',
           user: expect.objectContaining({
             user_id: 'user-123',
             email: loginCredentials.email,