perf(build): completely strip polyfills via postinstall script and aggressively compress LCP poster image

components/blocks/HeroVideo.tsx

@@ -88,6 +88,7 @@ export function HeroVideo(props: HeroVideoProps) {
         fill
         className="object-cover z-[1] pointer-events-none filter contrast-125 saturate-110 brightness-90"
         sizes="100vw"
+        quality={50}
         priority
       />
 

next.config.mjs

@@ -47,7 +47,16 @@ const nextConfig = {
     NEXT_PUBLIC_APP_VERSION: process.env.NEXT_PUBLIC_APP_VERSION || process.env.npm_package_version || 'dev',
   },
   // Prevent webpack from restarting when .env files are touched via Docker volume mount
-  webpack: (config, { dev }) => {
+  webpack: (config, { dev, isServer }) => {
+    // Completely strip Next.js forced legacy polyfills for modern browser targets
+    if (!isServer) {
+      config.resolve.alias = {
+        ...config.resolve.alias,
+        'next/dist/build/polyfills/polyfill-module': false,
+        'next/dist/build/polyfills/polyfill-nomodule': false,
+      };
+    }
+    
     if (dev) {
       config.watchOptions = {
         ...config.watchOptions,

package.json

@@ -105,6 +105,7 @@
     "build": "next build",
     "start": "next start",
     "lint": "eslint .",
+    "postinstall": "echo '' > node_modules/next/dist/build/polyfills/polyfill-module.js && echo '' > node_modules/next/dist/build/polyfills/polyfill-nomodule.js",
     "typecheck": "tsc --noEmit",
     "test": "vitest run --passWithNoTests",
     "test:og": "vitest run tests/og-image.test.ts",
@@ -138,7 +139,7 @@
     "prepare": "husky",
     "preinstall": "npx only-allow pnpm"
   },
-  "version": "2.2.49",
+  "version": "2.2.52",
   "pnpm": {
     "onlyBuiltDependencies": [
       "@parcel/watcher",