Output conversation id.

lib/pleroma/web/ostatus/activity_representer.ex

@@ -19,7 +19,9 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
       {:title, ['New note by #{user.nickname}']},
       {:content, [type: 'html'], h.(activity.data["object"]["content"])},
       {:published, h.(inserted_at)},
-      {:updated, h.(updated_at)}
+      {:updated, h.(updated_at)},
+      {:"ostatus:conversation", [], h.(activity.data["context"])},
+      {:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []}
     ] ++ attachments
   end
 

lib/pleroma/web/ostatus/feed_representer.ex

@@ -17,7 +17,8 @@ defmodule Pleroma.Web.OStatus.FeedRepresenter do
       :feed, [
         xmlns: 'http://www.w3.org/2005/Atom',
         "xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
-        "xmlns:poco": 'http://portablecontacts.net/spec/1.0'
+        "xmlns:poco": 'http://portablecontacts.net/spec/1.0',
+        "xmlns:ostatus": 'http://ostatus.org/schema/1.0'
       ], [
         {:id, h.(OStatus.feed_path(user))},
         {:title, ['#{user.nickname}\'s timeline']},