feat: kautilya URL update

app/(app)/ask/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 /**
- * /chat — placeholder for the Kautilya AI study companion.
+ * /ask — placeholder for the Kautilya AI study companion.
  *
  * The actual chat surface (an AI tuned on Śrīla Prabhupāda's books,
  * letters, and lectures) isn't built yet. Until it ships we render a
@@ -14,7 +14,7 @@ import Link from "next/link";
 import { Compass } from "lucide-react";
 import { KautilyaIcon } from "@/components/selection-toolbar/shared";
 
-export default function ChatPage() {
+export default function AskPage() {
   return (
     <main className="flex-1 max-w-2xl w-full mx-auto px-4 sm:px-6 py-16 sm:py-24">
       <div className="flex flex-col items-center text-center gap-5">