Jonas Bernoulli <jonas@bernoul.li> writes:

> ...
> But the approach I used for `notmuch-tag-transient' is more applicable
> here.  Hm, that actually also adds a new class, which we *might* be able
> to avoid here, let's look at the simpler `notmuch-search-transient'
> for inspiration.
>
> [Obviously completely untested:]
> ...
> (transient-define-prefix org-cite-basic-follow (citation &optional prefix)
>   [:class transient-column
>    :setup-children org-cite-basic-follow--setup

Thanks!
This seems to be good enough approach.
Tor-björn, does the proposed idea make sense to you?