src/app/api/local-dataset/file/route.ts

import { readLocalDatasetFileResponse } from "@/lib/local-dataset-fs";

export async function GET(request: Request) {
  const { searchParams } = new URL(request.url);
  const rootEncoded = searchParams.get("root");
  const rel = searchParams.get("rel");
  if (!rootEncoded || !rel) {
    return Response.json(
      { error: "Missing root or rel query parameter" },
      { status: 400 },
    );
  }
  return readLocalDatasetFileResponse(rootEncoded, rel, request);
}