Security key support

app/api/auth/register/finish/route.ts

@@ -0,0 +1,17 @@
+import { NextRequest, NextResponse } from "next/server";
+
+export async function POST(req: NextRequest) {
+	const body = await req.json();
+
+	const res = await fetch("http://localhost:3001/auth/register/finish", {
+		method: "POST",
+		headers: { "Content-Type": "application/json" },
+		body: JSON.stringify(body),
+	});
+
+	if (!res.ok) {
+		return NextResponse.json({ error: "Registration failed" }, { status: 400 });
+	}
+
+	return NextResponse.json(await res.json());
+}