maybe unpublishing a post works now?

src/model/notification.rs

@@ -181,6 +181,7 @@ ORDER BY read_at DESC, created_at DESC;
     }
 
     pub(crate) async fn delete_by_link(db: &sqlx::Pool<Sqlite>, link: &str) {
+        let link = Some(link);
         sqlx::query!("DELETE FROM notification WHERE link=?", link)
             .execute(db)
             .await