fix: og image generation

app/disciples/page.tsx

@@ -1,7 +1,9 @@
 export const dynamic = "force-dynamic";
 
+import type { Metadata } from "next";
 import Link from "next/link";
 import { PageHeader } from "@/components/page-header";
+import { ogForDisciples } from "@/lib/og";
 import {
   getTotalDiscipleCount,
   getFilteredDisciples,
@@ -14,6 +16,10 @@ import {
 import type { SuffixFilter } from "@/lib/disciples";
 import { DisciplesBrowser } from "./disciples-browser";
 
+export async function generateMetadata(): Promise<Metadata> {
+  return ogForDisciples();
+}
+
 const VALID_SUFFIXES: SuffixFilter[] = ["all", "Dasa", "Devi Dasi"];
 
 function parseSuffix(raw: string | undefined): SuffixFilter {