Add circle visibility

app/lib/activitypub/parser/status_parser.rb

@@ -87,8 +87,11 @@ class ActivityPub::Parser::StatusParser
   end
 
   def limited_scope
-    if @object['limitedScope'] == 'Mutual'
+    case @object['limitedScope']
+    when 'Mutual'
       :mutual
+    when 'Circle'
+      :circle
     else
       :none
     end

app/lib/activitypub/tag_manager.rb

@@ -222,7 +222,11 @@ class ActivityPub::TagManager
   end
 
   def limited_scope(status)
-    status.mutual_limited? ? 'Mutual' : ''
+    if status.mutual_limited?
+      'Mutual'
+    else
+      status.circle_limited? ? 'Circle' : ''
+    end
   end
 
   def subscribable_by(account)