Add initial project files

apps/web/i18n/content-href.ts

@@ -0,0 +1,21 @@
+import { hasLocale } from 'next-intl';
+import { routing } from './routing';
+
+/**
+ * Internal hrefs in page content are locale-prefixed (`/{locale}/{path}`);
+ * when the site serves unprefixed URLs, the prefix is stripped at render
+ * time so navigation does not bounce through the proxy redirect.
+ */
+export function toPublicHref(href: string): string {
+  if (routing.localePrefix !== 'never') {
+    return href;
+  }
+
+  const [, first = '', ...rest] = href.split('/');
+
+  if (!hasLocale(routing.locales, first)) {
+    return href;
+  }
+
+  return `/${rest.join('/')}`;
+}