From 8b18195075402bc907222bacf6ed10b29b5274a2 Mon Sep 17 00:00:00 2001
From: David Roetzel <david@roetzel.de>
Date: Wed, 3 Jun 2026 15:56:38 +0200
Subject: [PATCH] Add missing FeaturedCollection vocabulary to contexts
 (#39251)

---
 app/helpers/context_helper.rb                   | 17 +++++++++++++++++
 .../feature_authorization_serializer.rb         |  2 ++
 .../activitypub/feature_request_serializer.rb   |  2 ++
 .../featured_collection_serializer.rb           |  2 ++
 .../activitypub/featured_item_serializer.rb     |  2 ++
 5 files changed, 25 insertions(+)

diff --git a/app/helpers/context_helper.rb b/app/helpers/context_helper.rb
index f7e74481b2..e092a441e9 100644
--- a/app/helpers/context_helper.rb
+++ b/app/helpers/context_helper.rb
@@ -42,6 +42,7 @@ module ContextHelper
     interaction_policies: {
       'gts' => 'https://gotosocial.org/ns#',
       'interactionPolicy' => { '@id' => 'gts:interactionPolicy', '@type' => '@id' },
+      'canFeature' => { '@id' => 'https://w3id.org/fep/7aa9#canFeature', '@type' => '@id' },
       'canQuote' => { '@id' => 'gts:canQuote', '@type' => '@id' },
       'automaticApproval' => { '@id' => 'gts:automaticApproval', '@type' => '@id' },
       'manualApproval' => { '@id' => 'gts:manualApproval', '@type' => '@id' },
@@ -52,6 +53,22 @@ module ContextHelper
       'interactingObject' => { '@id' => 'gts:interactingObject', '@type' => '@id' },
       'interactionTarget' => { '@id' => 'gts:interactionTarget', '@type' => '@id' },
     },
+    feature_requests: { 'FeatureRequest' => 'https://w3id.org/fep/7aa9#FeatureRequest' },
+    featured_collections: {
+      'FeaturedCollection' => 'https://w3id.org/fep/7aa9#FeaturedCollection',
+      'FeaturedItem' => 'https://w3id.org/fep/7aa9#FeaturedItem',
+      'FeatureRequest' => 'https://w3id.org/fep/7aa9#FeatureRequest',
+      'FeatureAuthorization' => 'https://w3id.org/fep/7aa9#FeatureAuthorization',
+      'topic' => { '@id' => 'https://w3id.org/fep/7aa9#topic', '@type' => '@id' },
+      'featuredObject' => { '@id' => 'https://w3id.org/fep/7aa9#featuredObject', '@type' => '@id' },
+      'featureAuthorization' => { '@id' => 'https://w3id.org/fep/7aa9#featureAuthorization', '@type' => '@id' },
+    },
+    feature_authorizations: {
+      'gts' => 'https://gotosocial.org/ns#',
+      'FeatureAuthorization' => 'https://w3id.org/fep/7aa9#FeatureAuthorization',
+      'interactingObject' => { '@id' => 'gts:interactingObject', '@type' => '@id' },
+      'interactionTarget' => { '@id' => 'gts:interactionTarget', '@type' => '@id' },
+    },
   }.freeze
 
   def full_context
diff --git a/app/serializers/activitypub/feature_authorization_serializer.rb b/app/serializers/activitypub/feature_authorization_serializer.rb
index 4181025802..5a34229d73 100644
--- a/app/serializers/activitypub/feature_authorization_serializer.rb
+++ b/app/serializers/activitypub/feature_authorization_serializer.rb
@@ -3,6 +3,8 @@
 class ActivityPub::FeatureAuthorizationSerializer < ActivityPub::Serializer
   include RoutingHelper
 
+  context_extensions :feature_authorizations
+
   attributes :id, :type, :interacting_object, :interaction_target
 
   def id
diff --git a/app/serializers/activitypub/feature_request_serializer.rb b/app/serializers/activitypub/feature_request_serializer.rb
index a7a22f4ea0..b1b84e62d1 100644
--- a/app/serializers/activitypub/feature_request_serializer.rb
+++ b/app/serializers/activitypub/feature_request_serializer.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class ActivityPub::FeatureRequestSerializer < ActivityPub::Serializer
+  context_extensions :feature_requests
+
   attributes :id, :type, :instrument
   attribute :virtual_object, key: :object
 
diff --git a/app/serializers/activitypub/featured_collection_serializer.rb b/app/serializers/activitypub/featured_collection_serializer.rb
index b83e0bf9ea..213f5b4e92 100644
--- a/app/serializers/activitypub/featured_collection_serializer.rb
+++ b/app/serializers/activitypub/featured_collection_serializer.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class ActivityPub::FeaturedCollectionSerializer < ActivityPub::Serializer
+  context_extensions :discoverable, :featured_collections, :hashtag, :sensitive
+
   attributes :id, :type, :total_items, :name, :attributed_to, :url,
              :sensitive, :discoverable, :published, :updated
 
diff --git a/app/serializers/activitypub/featured_item_serializer.rb b/app/serializers/activitypub/featured_item_serializer.rb
index 4620c2d71a..527c611c46 100644
--- a/app/serializers/activitypub/featured_item_serializer.rb
+++ b/app/serializers/activitypub/featured_item_serializer.rb
@@ -3,6 +3,8 @@
 class ActivityPub::FeaturedItemSerializer < ActivityPub::Serializer
   include RoutingHelper
 
+  context_extensions :featured_collections
+
   attributes :id, :type, :featured_object, :feature_authorization, :published
 
   def id