next.config.ts

import type { NextConfig } from "next";
import createNextIntlPlugin from "next-intl/plugin";

const withNextIntl = createNextIntlPlugin("./src/i18n/request.ts");

const securityHeaders = [
  { key: "X-Content-Type-Options", value: "nosniff" },
  { key: "X-Frame-Options", value: "SAMEORIGIN" },
  { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
  { key: "Permissions-Policy", value: "camera=(), microphone=(), geolocation=()" },
];

const serverExternalPackages = [
  "better-sqlite3",
  "pdf-parse",
  // Turbopack on Windows can panic while creating the junction for this scoped package.
  ...(process.platform === "win32" ? [] : ["@larksuiteoapi/node-sdk"]),
];

const nextConfig: NextConfig = {
  output: "standalone",
  serverExternalPackages,
  // Allow overriding the .next build directory via env var.
  // Useful on network/shared filesystems where Turbopack cache persistence fails.
  ...(process.env.NEXT_BUILD_DIR ? { distDir: process.env.NEXT_BUILD_DIR } : {}),
  turbopack: {
    // Set the project root explicitly to avoid lockfile detection issues.
    root: __dirname,
  },
  async headers() {
    return [
      {
        source: "/(.*)",
        headers: securityHeaders,
      },
    ];
  },
};

export default withNextIntl(nextConfig);