perf: optimize production assets and proxy-aware URLs

packages/dev-server/src/public.ts

@@ -33,6 +33,9 @@ function cachePolicy(filePath: string, mode: Mode): string {
   if (mode !== "production") return "no-cache";
   const name = filePath.split(/[\\/]/).pop() ?? "";
   if (/\.html?$/i.test(name)) return REVALIDATE_CACHE;
+  // Font URLs are content assets with expensive transfer costs and are almost
+  // always renamed when changed. Cache them like fingerprinted build assets.
+  if (/\.(?:woff2?|ttf|otf|eot)$/i.test(name)) return IMMUTABLE_CACHE;
   return /(?:^|[.-])[a-f0-9]{8,}(?:[.-]|$)/i.test(name) ? IMMUTABLE_CACHE : "public, max-age=3600";
 }