refactor: migrate legacy wire namespace to wrn

examples/i18n-showcase/README.md

@@ -10,5 +10,5 @@ bun run --cwd examples/i18n-showcase dev
 ```
 
 Open `http://localhost:3000`, change the language with the packaged `LanguageSwitcher`, and inspect
-the document `<html lang>` attribute and `wire-lang` cookie. The `/api/formats` endpoint demonstrates
+the document `<html lang>` attribute and `wrn-lang` cookie. The `/api/formats` endpoint demonstrates
 request-aware `Intl` formatting using the same selected locale.