feat: first draft

app/api/backup/route.ts

@@ -0,0 +1,15 @@
+import { redis } from '@utils/redis';
+import { NextResponse } from 'next/server';
+import crypto from 'crypto';
+
+export async function POST(req: Request) {
+  try {
+    const { state } = await req.json();
+    const key = crypto.randomBytes(8).toString('hex');
+    await redis.set(key, JSON.stringify(state));
+    return NextResponse.json({ success: true, key });
+  } catch (error) {
+    console.error(error);
+    return NextResponse.json({ error: 'Backup failed' }, { status: 500 });
+  }
+}