cm_whatsapp_bot_v1/apps/web/next.config.ts

import type { NextConfig } from "next";
import { join } from "node:path";
import withSerwistInit from "@serwist/next";

// Pin Turbopack's workspace root explicitly — pnpm + Turbopack can't always
// infer it inside Docker bind mounts.
const workspaceRoot = join(import.meta.dirname, "..", "..");

// We consume @cmbot/db and @cmbot/shared via their compiled dist (their
// package.json `main` points at ./dist/index.js). The dist is built at
// container start (see docker-compose.dev.yml) and during the production
// Docker build (see docker/web.Dockerfile). This sidesteps Turbopack's
// inability to resolve NodeNext-style `.js` extensions to `.ts` source.
const nextConfig: NextConfig = {
  reactStrictMode: true,
  output: "standalone",
  outputFileTracingRoot: workspaceRoot,
  // Allow Server Actions and dev HMR from the LAN host (phone testing).
  // Tighten before exposing publicly via the reverse proxy.
  allowedDevOrigins: ["192.168.0.253", "test.04080616.xyz", "rexwa.04080616.xyz"],
  experimental: {
    typedRoutes: true,
    serverActions: {
      // Default Server Action body limit is 1 MB — way under WhatsApp's
      // 100 MB document cap. Lifted to 100 MB so document uploads reach
      // the action; the per-kind WhatsApp validator
      // (lib/whatsapp-media.ts) then enforces the actual limit
      // (5 MB image / 16 MB video/audio / 100 MB document) and returns
      // a useful error for the rest.
      bodySizeLimit: "100mb",
    },
  },
  turbopack: {
    root: workspaceRoot,
  },
};

// PWA: @serwist/next compiles `src/pwa/sw.ts` into `public/sw.js` at
// production build time, baking in the static-asset precache manifest.
// We disable it in dev because Turbopack + a service worker on every
// reload makes hot-reload extremely flaky.
const withSerwist = withSerwistInit({
  swSrc: "src/pwa/sw.ts",
  swDest: "public/sw.js",
  cacheOnNavigation: true,
  reloadOnOnline: true,
  disable: process.env.NODE_ENV !== "production",
});

export default withSerwist(nextConfig);