feat: integrate authentication and password management features, including bcrypt for hashing and NextAuth for session handling

app/api/backups/route.ts

@@ -1,7 +1,11 @@
 import { NextRequest, NextResponse } from "next/server";
 import { backupService } from "@/services/backup.service";
+import { requireAuth } from "@/lib/auth-utils";
 
 export async function GET() {
+  const authError = await requireAuth();
+  if (authError) return authError;
+
   try {
     const backups = await backupService.getAllBackups();
     return NextResponse.json({ success: true, data: backups });
@@ -15,6 +19,9 @@ export async function GET() {
 }
 
 export async function POST(request: NextRequest) {
+  const authError = await requireAuth();
+  if (authError) return authError;
+
   try {
     const body = await request.json().catch(() => ({}));
     const force = body.force === true; // Only allow force for manual backups