import fs from "fs";
import path from "path";

let cached: string | null = null;

export function getBackendVersion(): string {
  if (cached) {
    return cached;
  }
  const pkgPath = path.join(__dirname, "..", "package.json");
  const raw = fs.readFileSync(pkgPath, "utf-8");
  cached = (JSON.parse(raw) as { version: string }).version;
  return cached;
}