install and handle casle & prevent page dashboard & handle register and code verfication & get data in clinics page

lib/auth.js

@@ -0,0 +1,8 @@
+import { cookies } from "next/headers";
+
+export async function getUser() {
+  const cookieStore = cookies();
+  const raw = cookieStore.get("user");
+  if (!raw) return null;
+  return JSON.parse(raw.value);
+}