Import source: vault/app/api/auth/logout/route

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

vault/app/api/auth/logout/route.ts

@@ -0,0 +1,7 @@
+import { NextResponse } from "next/server";
+import { clearSession } from "@/lib/server-security";
+
+export async function POST() {
+  await clearSession();
+  return NextResponse.json({ ok: true });
+}