fix: og image generation

app/books/ds/[chapter]/page.tsx

@@ -9,6 +9,7 @@ import {
   type DsChapter,
   type DsSidebarItem,
 } from "@/lib/ds";
+import { getProseChapter } from "@/lib/api";
 import { ogForChapter, extractQuoteFromHl, buildOgMeta } from "@/lib/og";
 import { BOOK_NAMES } from "@/lib/constants";
 import { PageHeader } from "@/components/page-header";
@@ -29,8 +30,10 @@ export async function generateMetadata({
   params: Promise<{ chapter: string }>;
   searchParams: Promise<Record<string, string | string[] | undefined>>;
 }): Promise<Metadata> {
+  const { chapter: slug } = await params;
   const sp = await searchParams;
-  const hlQuote = extractQuoteFromHl(sp);
+  const chapter = await getProseChapter("ds", 0, slug);
+  const hlQuote = extractQuoteFromHl(sp, chapter?.paragraphs);
   if (hlQuote) {
     return buildOgMeta({ title: BOOK_NAMES["ds"], quote: hlQuote });
   }