Update app/actions/revalidateChat.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: na-trium-144

app/actions/revalidateChat.ts

@@ -10,11 +10,11 @@ export async function revalidateChatAction(
 ) {
   chatId = z.uuid().parse(chatId);
   if (typeof pagePath === "string") {
-    if (!/^[a-z0-9-_]+\/[a-z0-9-_]+$/.test(pagePath)) {
+    if (!/^[a-z0-9_-]+\/[a-z0-9_-]+$/.test(pagePath)) {
       throw new Error("Invalid pagePath format");
     }
-    const [lang, page] = pagePath.split("/") as [LangId, PageSlug];
-    pagePath = { lang, page };
+    const [lang, page] = pagePath.split("/");
+    pagePath = PagePathSchema.parse({ lang, page });
   } else {
     pagePath = PagePathSchema.parse(pagePath);
   }