Index: src/routes/og.js
===================================================================
--- src/routes/og.js	(revision d9c5eb825f0e52ae97cc1f60c9486b42d53b3795)
+++ src/routes/og.js	(revision d97c58c1d15ec3570a575b49ec2da4ca41691ed1)
@@ -14,5 +14,5 @@
   try {
     site = db.prepare(
-      'SELECT slug, title, tagline, description, palette, accent, theme_override FROM sites WHERE slug = ?'
+      'SELECT slug, title, tagline, description, palette, accent, theme_override, og_theme FROM sites WHERE slug = ?'
     ).get(req.params.slug);
   } catch { /* db error → 404 below */ }