feat(seo): add sitemap generator

app/(app)/books/iso/[mantra]/page.tsx

@@ -12,6 +12,8 @@ import {
 } from "@/lib/iso";
 import { ogForChapter, extractQuoteFromHl, buildOgMeta } from "@/lib/og";
 import { PageHeader } from "@/components/layout/page-header";
+import { JsonLd } from "@/components/seo/json-ld";
+import { articleJsonLd } from "@/lib/jsonld";
 import { Card, CardContent } from "@/components/ui/card";
 import { buttonVariants } from "@/components/ui/button";
 import { ChevronLeft, ChevronRight } from "lucide-react";
@@ -103,6 +105,7 @@ export default async function IsoMantraPage({
 
   return (
     <div className="min-h-screen bg-background">
+      <JsonLd data={articleJsonLd({ path: `/books/iso/${slug}`, headline: content.title ?? "Śrī Īśopaniṣad", isPartOf: "Śrī Īśopaniṣad" })} />
       <PageHeader sticky>
         <Link
           href="/books/iso"

app/(app)/books/iso/page.tsx

@@ -6,6 +6,8 @@ import { notFound } from "next/navigation";
 import { getIsoMeta, getIsoIntroSegments } from "@/lib/iso";
 import { ogForBook } from "@/lib/og";
 import { PageHeader } from "@/components/layout/page-header";
+import { JsonLd } from "@/components/seo/json-ld";
+import { bookJsonLd } from "@/lib/jsonld";
 import { Card, CardContent } from "@/components/ui/card";
 
 export function generateMetadata(): Metadata {
@@ -28,6 +30,7 @@ export default async function IsoPage() {
 
   return (
     <div className="min-h-screen bg-background">
+      <JsonLd data={bookJsonLd({ path: "/books/iso", name: "Śrī Īśopaniṣad" })} />
       <PageHeader>
         <Link
           href="/books"