Rails: Share template between ActiveAdmin namespaces

Problem

How to share a template between ActiveAdmin namespaces, with links linking back to the correct namespace?

Solution

# ./app/views/shared/_organisation_contacts.html.arb
# NOTE: Explicit call raises exception if undefined, which is good :)
# See: https://stackoverflow.com/questions/12894839/document-partial-parameters-in-rails#answer-12976723
# Parameters:
person
namespace

Problem is that links should link back to their own namespace. Solved by building links like this:

link = send("#{namespace}_organisation_path", oc.organisation&.id)
organisation = link_to(title.html_safe, link)

Calls to the template are identical, except they originate from a different namespace (admin, user):

# ./app/admin/people.rb & ./app/user/people.rb
render partial: 'shared/organisation_contacts',
       locals: { person: person, namespace: active_admin_namespace.route_prefix }

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