change our current auth system for NextAuth.js (now Auth.js): This is th

src/lib/actions/user.ts

@@ -2,9 +2,9 @@
 'use server';
 
 import db from '@/lib/db';
-import { User } from '@/lib/types';
+import type { User } from '@/lib/types';
 import { z } from 'zod';
-import { getSession } from '../auth';
+import { auth } from '@/app/api/auth/[...nextauth]/route';
 
 const UserUpdateSchema = z.object({
   name: z.string().min(1, 'Name is required'),
@@ -12,15 +12,16 @@ const UserUpdateSchema = z.object({
   password: z.string().optional(),
 });
 
-export async function getUser(): Promise<User | null> {
-  const session = await getSession();
-  if (!session?.userId) {
+export async function getUser(): Promise<(User & { id: string }) | null> {
+  const session = await auth();
+  if (!session?.user?.id) {
     return null;
   }
   try {
     const stmt = db.prepare('SELECT id, name, email FROM users WHERE id = ?');
-    const user = stmt.get(session.userId) as User | undefined;
-    return user ?? null;
+    const user = stmt.get(session.user.id) as User | undefined;
+    if (!user) return null;
+    return { ...user, id: user.id.toString() };
   } catch (error) {
     console.error('Failed to get user:', error);
     return null;
@@ -30,8 +31,8 @@ export async function getUser(): Promise<User | null> {
 export async function updateUser(
   data: z.infer<typeof UserUpdateSchema>
 ): Promise<{ success: boolean; error?: string }> {
-  const session = await getSession();
-  if (!session?.userId) {
+  const session = await auth();
+  if (!session?.user?.id) {
     return { success: false, error: 'Not authenticated. Please log in again.' };
   }
 
@@ -50,10 +51,10 @@ export async function updateUser(
       const stmt = db.prepare(
         'UPDATE users SET name = ?, email = ?, password = ? WHERE id = ?'
       );
-      stmt.run(name, email, password, session.userId);
+      stmt.run(name, email, password, session.user.id);
     } else {
       const stmt = db.prepare('UPDATE users SET name = ?, email = ? WHERE id = ?');
-      stmt.run(name, email, session.userId);
+      stmt.run(name, email, session.user.id);
     }
     return { success: true };
   } catch (error: any) {