feat: add metadata generator for remaining books

app/books/sb/[canto]/[chapter]/page.tsx

@@ -1,6 +1,20 @@
+import type { Metadata } from "next";
 import { redirect } from "next/navigation";
 import { notFound } from "next/navigation";
 import { getChapterVerseIndex } from "@/lib/api";
+import { buildOgMeta } from "@/lib/og";
+
+export async function generateMetadata({
+  params,
+}: {
+  params: Promise<{ canto: string; chapter: string }>;
+}): Promise<Metadata> {
+  const { canto, chapter } = await params;
+  return buildOgMeta({
+    title: "Śrīmad-Bhāgavatam",
+    detail: `Canto ${canto}, Chapter ${chapter}`,
+  });
+}
 
 export default async function SbChapterPage({
   params,

app/books/sb/[canto]/page.tsx

@@ -1,9 +1,22 @@
+import type { Metadata } from "next";
 import Link from "next/link";
 import { PageHeader } from "@/components/page-header";
 import { notFound } from "next/navigation";
 import { Card, CardContent } from "@/components/ui/card";
 import { ExtractedVerseCount } from "../../extracted-verse-count";
 import { getBookMeta } from "@/lib/api";
+import { buildOgMeta } from "@/lib/og";
+import { BOOK_NAMES } from "@/lib/constants";
+
+export async function generateMetadata({
+  params,
+}: {
+  params: Promise<{ canto: string }>;
+}): Promise<Metadata> {
+  const { canto } = await params;
+  const title = BOOK_NAMES["sb"] || "Śrīmad-Bhāgavatam";
+  return buildOgMeta({ title, detail: `Canto ${canto}` });
+}
 
 type ChapterInfo = {
   number: number;

app/books/sb/page.tsx

@@ -1,11 +1,17 @@
+import type { Metadata } from "next";
 import Link from "next/link";
 import { PageHeader } from "@/components/page-header";
 import { Card, CardContent } from "@/components/ui/card";
 import { Badge } from "@/components/ui/badge";
 import { ExtractedVerseCount } from "../extracted-verse-count";
 import { getBookMeta } from "@/lib/api";
+import { ogForBook } from "@/lib/og";
 import { notFound } from "next/navigation";
 
+export function generateMetadata(): Metadata {
+  return ogForBook("sb");
+}
+
 type ChapterInfo = {
   number: number;
   title: string;