fix: add --webpack flag for Next.js 16 Turbopack compatibility

- serwist/next requires webpack, Next.js 16 defaults to Turbopack
- dev/build scripts now use --webpack flag
- Disable serwist in dev mode to avoid warnings

next-env.d.ts

@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

next.config.ts

@@ -4,6 +4,7 @@ import withSerwistInit from '@serwist/next'
 const withSerwist = withSerwistInit({
   swSrc: 'src/sw.ts',
   swDest: 'public/sw.js',
+  disable: process.env.NODE_ENV === 'development',
 })
 
 const nextConfig: NextConfig = {

package.json

@@ -3,8 +3,8 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev",
-    "build": "next build",
+    "dev": "next dev --webpack",
+    "build": "next build --webpack",
     "start": "next start",
     "lint": "eslint"
   },