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">

app/robots.ts

@@ -15,7 +15,7 @@ const SITE_URL =
  *   • /settings       — auth-only account settings
  *   • /notifications  — auth-only
  *   • /verify-email   — transactional
- *   • /chat           — interactive tool, not indexable content
+ *   • /ask            — interactive tool, not indexable content
  *   • /u/me, /u/me/*  — the signed-in user's own private library
  *                       ($ anchors the bare path so public handles like
  *                       /u/meera aren't caught by the prefix)
@@ -34,7 +34,7 @@ export default function robots(): MetadataRoute.Robots {
         "/settings",
         "/notifications",
         "/verify-email",
-        "/chat",
+        "/ask",
         "/u/me$",
         "/u/me/",
       ],

components/layout/site-bottom-nav.tsx

@@ -52,7 +52,7 @@ export function SiteBottomNav() {
       ],
     },
     {
-      href: "/chat",
+      href: "/ask",
       label: "Kautilya",
       icon: <KautilyaIcon className="size-5" />,
     },

components/layout/site-sidebar.tsx

@@ -77,7 +77,7 @@ const TOP_ITEMS: NavItem[] = [
     ],
   },
   {
-    href: "/chat",
+    href: "/ask",
     label: "Kautilya",
     icon: <KautilyaIcon className="size-5" />,
   },