Add conversation-based forwarding for limited visibility statuses through bearcaps

app/serializers/activitypub/context_serializer.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class ActivityPub::ContextSerializer < ActivityPub::Serializer
+  include RoutingHelper
+
+  attributes :id, :type, :inbox
+
+  def id
+    ActivityPub::TagManager.instance.uri_for(object)
+  end
+
+  def type
+    'Group'
+  end
+
+  def inbox
+    account_inbox_url(object.parent_account)
+  end
+end