diff --git a/spec/config/initializers/rack_attack_spec.rb b/spec/config/initializers/rack_attack_spec.rb
index 50d4505b707..2cfe90b1a59 100644
--- a/spec/config/initializers/rack_attack_spec.rb
+++ b/spec/config/initializers/rack_attack_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Rack::Attack do
diff --git a/spec/controllers/about_controller_spec.rb b/spec/controllers/about_controller_spec.rb
index 97143ec4372..ccd28a96ce8 100644
--- a/spec/controllers/about_controller_spec.rb
+++ b/spec/controllers/about_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AboutController, type: :controller do
diff --git a/spec/controllers/accounts_controller_spec.rb b/spec/controllers/accounts_controller_spec.rb
index db588156cb6..9c38b30322c 100644
--- a/spec/controllers/accounts_controller_spec.rb
+++ b/spec/controllers/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountsController, type: :controller do
diff --git a/spec/controllers/activitypub/followers_synchronizations_controller_spec.rb b/spec/controllers/activitypub/followers_synchronizations_controller_spec.rb
index 6ec756d3cf2..8357f5f39ba 100644
--- a/spec/controllers/activitypub/followers_synchronizations_controller_spec.rb
+++ b/spec/controllers/activitypub/followers_synchronizations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FollowersSynchronizationsController, type: :controller do
diff --git a/spec/controllers/activitypub/outboxes_controller_spec.rb b/spec/controllers/activitypub/outboxes_controller_spec.rb
index 7369ee41343..167bbcc21d0 100644
--- a/spec/controllers/activitypub/outboxes_controller_spec.rb
+++ b/spec/controllers/activitypub/outboxes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::OutboxesController, type: :controller do
diff --git a/spec/controllers/admin/account_moderation_notes_controller_spec.rb b/spec/controllers/admin/account_moderation_notes_controller_spec.rb
index b8d6063227e..d2c52f59409 100644
--- a/spec/controllers/admin/account_moderation_notes_controller_spec.rb
+++ b/spec/controllers/admin/account_moderation_notes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::AccountModerationNotesController, type: :controller do
diff --git a/spec/controllers/admin/accounts_controller_spec.rb b/spec/controllers/admin/accounts_controller_spec.rb
index fdc98ed4618..b182715b0be 100644
--- a/spec/controllers/admin/accounts_controller_spec.rb
+++ b/spec/controllers/admin/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::AccountsController, type: :controller do
diff --git a/spec/controllers/admin/change_email_controller_spec.rb b/spec/controllers/admin/change_email_controller_spec.rb
index 520842a19ff..83299847155 100644
--- a/spec/controllers/admin/change_email_controller_spec.rb
+++ b/spec/controllers/admin/change_email_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::ChangeEmailsController, type: :controller do
diff --git a/spec/controllers/admin/confirmations_controller_spec.rb b/spec/controllers/admin/confirmations_controller_spec.rb
index 7ca90f3e12d..d05711e272d 100644
--- a/spec/controllers/admin/confirmations_controller_spec.rb
+++ b/spec/controllers/admin/confirmations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::ConfirmationsController, type: :controller do
diff --git a/spec/controllers/admin/custom_emojis_controller_spec.rb b/spec/controllers/admin/custom_emojis_controller_spec.rb
index 06cd0c22df0..d40691e1bf7 100644
--- a/spec/controllers/admin/custom_emojis_controller_spec.rb
+++ b/spec/controllers/admin/custom_emojis_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::CustomEmojisController do
diff --git a/spec/controllers/admin/disputes/appeals_controller_spec.rb b/spec/controllers/admin/disputes/appeals_controller_spec.rb
index 71265779156..576a0c12b9c 100644
--- a/spec/controllers/admin/disputes/appeals_controller_spec.rb
+++ b/spec/controllers/admin/disputes/appeals_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::Disputes::AppealsController, type: :controller do
diff --git a/spec/controllers/admin/domain_allows_controller_spec.rb b/spec/controllers/admin/domain_allows_controller_spec.rb
index 6c4e677876e..2a0f47145af 100644
--- a/spec/controllers/admin/domain_allows_controller_spec.rb
+++ b/spec/controllers/admin/domain_allows_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::DomainAllowsController, type: :controller do
diff --git a/spec/controllers/admin/domain_blocks_controller_spec.rb b/spec/controllers/admin/domain_blocks_controller_spec.rb
index d58a0cafcdf..ef13f76762d 100644
--- a/spec/controllers/admin/domain_blocks_controller_spec.rb
+++ b/spec/controllers/admin/domain_blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::DomainBlocksController, type: :controller do
diff --git a/spec/controllers/admin/export_domain_allows_controller_spec.rb b/spec/controllers/admin/export_domain_allows_controller_spec.rb
index 1f974bc0010..f12bd1344f9 100644
--- a/spec/controllers/admin/export_domain_allows_controller_spec.rb
+++ b/spec/controllers/admin/export_domain_allows_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::ExportDomainAllowsController, type: :controller do
diff --git a/spec/controllers/admin/export_domain_blocks_controller_spec.rb b/spec/controllers/admin/export_domain_blocks_controller_spec.rb
index a8d7b7383eb..4da9f90e459 100644
--- a/spec/controllers/admin/export_domain_blocks_controller_spec.rb
+++ b/spec/controllers/admin/export_domain_blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::ExportDomainBlocksController, type: :controller do
diff --git a/spec/controllers/admin/instances_controller_spec.rb b/spec/controllers/admin/instances_controller_spec.rb
index 4716e486a21..33174b99218 100644
--- a/spec/controllers/admin/instances_controller_spec.rb
+++ b/spec/controllers/admin/instances_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::InstancesController, type: :controller do
diff --git a/spec/controllers/admin/report_notes_controller_spec.rb b/spec/controllers/admin/report_notes_controller_spec.rb
index 8a2603611cf..fb2fbd05887 100644
--- a/spec/controllers/admin/report_notes_controller_spec.rb
+++ b/spec/controllers/admin/report_notes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::ReportNotesController do
diff --git a/spec/controllers/admin/reports/actions_controller_spec.rb b/spec/controllers/admin/reports/actions_controller_spec.rb
index 20f85680faa..3e42e4cb195 100644
--- a/spec/controllers/admin/reports/actions_controller_spec.rb
+++ b/spec/controllers/admin/reports/actions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::Reports::ActionsController do
diff --git a/spec/controllers/admin/reports_controller_spec.rb b/spec/controllers/admin/reports_controller_spec.rb
index c6b5770a81f..97daaf8da96 100644
--- a/spec/controllers/admin/reports_controller_spec.rb
+++ b/spec/controllers/admin/reports_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::ReportsController do
diff --git a/spec/controllers/admin/resets_controller_spec.rb b/spec/controllers/admin/resets_controller_spec.rb
index 64fe027fdab..16adb8a128f 100644
--- a/spec/controllers/admin/resets_controller_spec.rb
+++ b/spec/controllers/admin/resets_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::ResetsController do
diff --git a/spec/controllers/admin/roles_controller_spec.rb b/spec/controllers/admin/roles_controller_spec.rb
index e2b1030d9aa..223d0a472a5 100644
--- a/spec/controllers/admin/roles_controller_spec.rb
+++ b/spec/controllers/admin/roles_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::RolesController do
diff --git a/spec/controllers/admin/statuses_controller_spec.rb b/spec/controllers/admin/statuses_controller_spec.rb
index 7f912c1c07b..79d83db97d4 100644
--- a/spec/controllers/admin/statuses_controller_spec.rb
+++ b/spec/controllers/admin/statuses_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::StatusesController do
diff --git a/spec/controllers/admin/users/roles_controller.rb b/spec/controllers/admin/users/roles_controller.rb
index 9fa8aef4123..fe2cee01b5c 100644
--- a/spec/controllers/admin/users/roles_controller.rb
+++ b/spec/controllers/admin/users/roles_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::Users::RolesController do
diff --git a/spec/controllers/admin/users/two_factor_authentications_controller_spec.rb b/spec/controllers/admin/users/two_factor_authentications_controller_spec.rb
index 990dcf64087..eb10d479630 100644
--- a/spec/controllers/admin/users/two_factor_authentications_controller_spec.rb
+++ b/spec/controllers/admin/users/two_factor_authentications_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require 'webauthn/fake_client'
 
diff --git a/spec/controllers/api/oembed_controller_spec.rb b/spec/controllers/api/oembed_controller_spec.rb
index b9082bde1e7..930f362505b 100644
--- a/spec/controllers/api/oembed_controller_spec.rb
+++ b/spec/controllers/api/oembed_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::OEmbedController, type: :controller do
diff --git a/spec/controllers/api/v1/accounts/credentials_controller_spec.rb b/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
index 3494ca67469..57fe0aee686 100644
--- a/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::CredentialsController do
diff --git a/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb b/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
index 1e6e1d8e0ab..53298a2e431 100644
--- a/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::FollowerAccountsController do
diff --git a/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb b/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
index cc962c6ee38..7390b25b517 100644
--- a/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::FollowingAccountsController do
diff --git a/spec/controllers/api/v1/accounts/lists_controller_spec.rb b/spec/controllers/api/v1/accounts/lists_controller_spec.rb
index d7148563356..418839cfa57 100644
--- a/spec/controllers/api/v1/accounts/lists_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/lists_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::ListsController do
diff --git a/spec/controllers/api/v1/accounts/notes_controller_spec.rb b/spec/controllers/api/v1/accounts/notes_controller_spec.rb
index 42c2d8a86f0..fd4d34f6919 100644
--- a/spec/controllers/api/v1/accounts/notes_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/notes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::NotesController do
diff --git a/spec/controllers/api/v1/accounts/relationships_controller_spec.rb b/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
index 69ad0d061a6..da8d7fe3f0c 100644
--- a/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::RelationshipsController do
diff --git a/spec/controllers/api/v1/accounts/search_controller_spec.rb b/spec/controllers/api/v1/accounts/search_controller_spec.rb
index 5b23bff6810..d2b675a3c83 100644
--- a/spec/controllers/api/v1/accounts/search_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/search_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Accounts::SearchController, type: :controller do
diff --git a/spec/controllers/api/v1/accounts_controller_spec.rb b/spec/controllers/api/v1/accounts_controller_spec.rb
index d6bbcefd770..5fbb6502136 100644
--- a/spec/controllers/api/v1/accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::AccountsController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/account_actions_controller_spec.rb b/spec/controllers/api/v1/admin/account_actions_controller_spec.rb
index 462c2cfa99b..cafbee212d4 100644
--- a/spec/controllers/api/v1/admin/account_actions_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/account_actions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::AccountActionsController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/accounts_controller_spec.rb b/spec/controllers/api/v1/admin/accounts_controller_spec.rb
index a4c509c6018..9ffcdb34fbd 100644
--- a/spec/controllers/api/v1/admin/accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::AccountsController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/domain_allows_controller_spec.rb b/spec/controllers/api/v1/admin/domain_allows_controller_spec.rb
index 8100363f6b6..15567907e44 100644
--- a/spec/controllers/api/v1/admin/domain_allows_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/domain_allows_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::DomainAllowsController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/domain_blocks_controller_spec.rb b/spec/controllers/api/v1/admin/domain_blocks_controller_spec.rb
index b367ab9ce3e..0460c701a4f 100644
--- a/spec/controllers/api/v1/admin/domain_blocks_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/domain_blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::DomainBlocksController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/reports_controller_spec.rb b/spec/controllers/api/v1/admin/reports_controller_spec.rb
index 880e72030a8..3d61fe5c3ad 100644
--- a/spec/controllers/api/v1/admin/reports_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/reports_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::ReportsController, type: :controller do
diff --git a/spec/controllers/api/v1/apps/credentials_controller_spec.rb b/spec/controllers/api/v1/apps/credentials_controller_spec.rb
index 701ba8acb45..350e0c7a024 100644
--- a/spec/controllers/api/v1/apps/credentials_controller_spec.rb
+++ b/spec/controllers/api/v1/apps/credentials_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Apps::CredentialsController do
diff --git a/spec/controllers/api/v1/apps_controller_spec.rb b/spec/controllers/api/v1/apps_controller_spec.rb
index 61158e881fe..bde132c52e2 100644
--- a/spec/controllers/api/v1/apps_controller_spec.rb
+++ b/spec/controllers/api/v1/apps_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::AppsController, type: :controller do
diff --git a/spec/controllers/api/v1/blocks_controller_spec.rb b/spec/controllers/api/v1/blocks_controller_spec.rb
index cf996c47c9a..a746389ca2a 100644
--- a/spec/controllers/api/v1/blocks_controller_spec.rb
+++ b/spec/controllers/api/v1/blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::BlocksController, type: :controller do
diff --git a/spec/controllers/api/v1/bookmarks_controller_spec.rb b/spec/controllers/api/v1/bookmarks_controller_spec.rb
index 48332b15a5e..352d2ca025e 100644
--- a/spec/controllers/api/v1/bookmarks_controller_spec.rb
+++ b/spec/controllers/api/v1/bookmarks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::BookmarksController, type: :controller do
diff --git a/spec/controllers/api/v1/conversations_controller_spec.rb b/spec/controllers/api/v1/conversations_controller_spec.rb
index 5add7cf1d42..36c4cb56f93 100644
--- a/spec/controllers/api/v1/conversations_controller_spec.rb
+++ b/spec/controllers/api/v1/conversations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::ConversationsController, type: :controller do
diff --git a/spec/controllers/api/v1/domain_blocks_controller_spec.rb b/spec/controllers/api/v1/domain_blocks_controller_spec.rb
index d9dc1bdbfe5..467ddbccce4 100644
--- a/spec/controllers/api/v1/domain_blocks_controller_spec.rb
+++ b/spec/controllers/api/v1/domain_blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::DomainBlocksController, type: :controller do
diff --git a/spec/controllers/api/v1/emails/confirmations_controller_spec.rb b/spec/controllers/api/v1/emails/confirmations_controller_spec.rb
index d272ff38d2a..fc9843fef3e 100644
--- a/spec/controllers/api/v1/emails/confirmations_controller_spec.rb
+++ b/spec/controllers/api/v1/emails/confirmations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Emails::ConfirmationsController, type: :controller do
diff --git a/spec/controllers/api/v1/favourites_controller_spec.rb b/spec/controllers/api/v1/favourites_controller_spec.rb
index f0fb8f37bdc..6ae0fdc4927 100644
--- a/spec/controllers/api/v1/favourites_controller_spec.rb
+++ b/spec/controllers/api/v1/favourites_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::FavouritesController, type: :controller do
diff --git a/spec/controllers/api/v1/filters_controller_spec.rb b/spec/controllers/api/v1/filters_controller_spec.rb
index 8acb46a007b..d583365cc17 100644
--- a/spec/controllers/api/v1/filters_controller_spec.rb
+++ b/spec/controllers/api/v1/filters_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::FiltersController, type: :controller do
diff --git a/spec/controllers/api/v1/follow_requests_controller_spec.rb b/spec/controllers/api/v1/follow_requests_controller_spec.rb
index 856ba2a1c01..0220e027706 100644
--- a/spec/controllers/api/v1/follow_requests_controller_spec.rb
+++ b/spec/controllers/api/v1/follow_requests_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::FollowRequestsController, type: :controller do
diff --git a/spec/controllers/api/v1/followed_tags_controller_spec.rb b/spec/controllers/api/v1/followed_tags_controller_spec.rb
index 2191350ef6b..e990065a9dc 100644
--- a/spec/controllers/api/v1/followed_tags_controller_spec.rb
+++ b/spec/controllers/api/v1/followed_tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::FollowedTagsController, type: :controller do
diff --git a/spec/controllers/api/v1/lists/accounts_controller_spec.rb b/spec/controllers/api/v1/lists/accounts_controller_spec.rb
index 526d8b5616a..337a5645c0d 100644
--- a/spec/controllers/api/v1/lists/accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/lists/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Lists::AccountsController do
diff --git a/spec/controllers/api/v1/lists_controller_spec.rb b/spec/controllers/api/v1/lists_controller_spec.rb
index 71a8094e68b..f54d27e42bf 100644
--- a/spec/controllers/api/v1/lists_controller_spec.rb
+++ b/spec/controllers/api/v1/lists_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::ListsController, type: :controller do
diff --git a/spec/controllers/api/v1/markers_controller_spec.rb b/spec/controllers/api/v1/markers_controller_spec.rb
index 64ec18e590e..fb5f59a7cfc 100644
--- a/spec/controllers/api/v1/markers_controller_spec.rb
+++ b/spec/controllers/api/v1/markers_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::MarkersController, type: :controller do
diff --git a/spec/controllers/api/v1/media_controller_spec.rb b/spec/controllers/api/v1/media_controller_spec.rb
index ef1e439f9d2..90379dd92d3 100644
--- a/spec/controllers/api/v1/media_controller_spec.rb
+++ b/spec/controllers/api/v1/media_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::MediaController, type: :controller do
diff --git a/spec/controllers/api/v1/mutes_controller_spec.rb b/spec/controllers/api/v1/mutes_controller_spec.rb
index 8288cb81517..122d9d1c567 100644
--- a/spec/controllers/api/v1/mutes_controller_spec.rb
+++ b/spec/controllers/api/v1/mutes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::MutesController, type: :controller do
diff --git a/spec/controllers/api/v1/notifications_controller_spec.rb b/spec/controllers/api/v1/notifications_controller_spec.rb
index 22ebfa3dda9..f6cbd105e3b 100644
--- a/spec/controllers/api/v1/notifications_controller_spec.rb
+++ b/spec/controllers/api/v1/notifications_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::NotificationsController, type: :controller do
diff --git a/spec/controllers/api/v1/polls/votes_controller_spec.rb b/spec/controllers/api/v1/polls/votes_controller_spec.rb
index d7a9c197040..9d9b14e81c0 100644
--- a/spec/controllers/api/v1/polls/votes_controller_spec.rb
+++ b/spec/controllers/api/v1/polls/votes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Polls::VotesController, type: :controller do
diff --git a/spec/controllers/api/v1/polls_controller_spec.rb b/spec/controllers/api/v1/polls_controller_spec.rb
index f0d9eaf92d1..0602e44eef2 100644
--- a/spec/controllers/api/v1/polls_controller_spec.rb
+++ b/spec/controllers/api/v1/polls_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::PollsController, type: :controller do
diff --git a/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb b/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
index c1c6f5f12c3..c7e1b73c7e3 100644
--- a/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Statuses::FavouritedByAccountsController, type: :controller do
diff --git a/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb b/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
index 90187a5858b..1aab502ef48 100644
--- a/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Statuses::RebloggedByAccountsController, type: :controller do
diff --git a/spec/controllers/api/v1/statuses_controller_spec.rb b/spec/controllers/api/v1/statuses_controller_spec.rb
index e839c8494f8..f011bfd4736 100644
--- a/spec/controllers/api/v1/statuses_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::StatusesController, type: :controller do
diff --git a/spec/controllers/api/v1/suggestions_controller_spec.rb b/spec/controllers/api/v1/suggestions_controller_spec.rb
index 35ba155e747..c99380c58b3 100644
--- a/spec/controllers/api/v1/suggestions_controller_spec.rb
+++ b/spec/controllers/api/v1/suggestions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::SuggestionsController, type: :controller do
diff --git a/spec/controllers/api/v1/tags_controller_spec.rb b/spec/controllers/api/v1/tags_controller_spec.rb
index 216faad8724..ed17a4fbfb9 100644
--- a/spec/controllers/api/v1/tags_controller_spec.rb
+++ b/spec/controllers/api/v1/tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::TagsController, type: :controller do
diff --git a/spec/controllers/api/v2/admin/accounts_controller_spec.rb b/spec/controllers/api/v2/admin/accounts_controller_spec.rb
index 1477049a1e2..5766fd549ee 100644
--- a/spec/controllers/api/v2/admin/accounts_controller_spec.rb
+++ b/spec/controllers/api/v2/admin/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V2::Admin::AccountsController, type: :controller do
diff --git a/spec/controllers/api/v2/filters/keywords_controller_spec.rb b/spec/controllers/api/v2/filters/keywords_controller_spec.rb
index 0e0f52ea869..8c61059c64f 100644
--- a/spec/controllers/api/v2/filters/keywords_controller_spec.rb
+++ b/spec/controllers/api/v2/filters/keywords_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V2::Filters::KeywordsController, type: :controller do
diff --git a/spec/controllers/api/v2/filters/statuses_controller_spec.rb b/spec/controllers/api/v2/filters/statuses_controller_spec.rb
index 969b2ea739b..330cf45a602 100644
--- a/spec/controllers/api/v2/filters/statuses_controller_spec.rb
+++ b/spec/controllers/api/v2/filters/statuses_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V2::Filters::StatusesController, type: :controller do
diff --git a/spec/controllers/api/v2/filters_controller_spec.rb b/spec/controllers/api/v2/filters_controller_spec.rb
index cc0070d577e..2b5610a4d6d 100644
--- a/spec/controllers/api/v2/filters_controller_spec.rb
+++ b/spec/controllers/api/v2/filters_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V2::FiltersController, type: :controller do
diff --git a/spec/controllers/auth/registrations_controller_spec.rb b/spec/controllers/auth/registrations_controller_spec.rb
index f42f685c103..e3a00fa3973 100644
--- a/spec/controllers/auth/registrations_controller_spec.rb
+++ b/spec/controllers/auth/registrations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Auth::RegistrationsController, type: :controller do
diff --git a/spec/controllers/disputes/appeals_controller_spec.rb b/spec/controllers/disputes/appeals_controller_spec.rb
index 90f222f4944..affe63c59bd 100644
--- a/spec/controllers/disputes/appeals_controller_spec.rb
+++ b/spec/controllers/disputes/appeals_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Disputes::AppealsController, type: :controller do
diff --git a/spec/controllers/disputes/strikes_controller_spec.rb b/spec/controllers/disputes/strikes_controller_spec.rb
index e060d37ac48..1d678875c60 100644
--- a/spec/controllers/disputes/strikes_controller_spec.rb
+++ b/spec/controllers/disputes/strikes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Disputes::StrikesController, type: :controller do
diff --git a/spec/controllers/emojis_controller_spec.rb b/spec/controllers/emojis_controller_spec.rb
index 9f66049642d..710d23d9243 100644
--- a/spec/controllers/emojis_controller_spec.rb
+++ b/spec/controllers/emojis_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe EmojisController do
diff --git a/spec/controllers/follower_accounts_controller_spec.rb b/spec/controllers/follower_accounts_controller_spec.rb
index 43fc4203cd0..7c53e5b4720 100644
--- a/spec/controllers/follower_accounts_controller_spec.rb
+++ b/spec/controllers/follower_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe FollowerAccountsController do
diff --git a/spec/controllers/following_accounts_controller_spec.rb b/spec/controllers/following_accounts_controller_spec.rb
index b41bf05751a..122f72e2d09 100644
--- a/spec/controllers/following_accounts_controller_spec.rb
+++ b/spec/controllers/following_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe FollowingAccountsController do
diff --git a/spec/controllers/home_controller_spec.rb b/spec/controllers/home_controller_spec.rb
index 2409bf42c62..0d3722920c7 100644
--- a/spec/controllers/home_controller_spec.rb
+++ b/spec/controllers/home_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe HomeController, type: :controller do
diff --git a/spec/controllers/instance_actors_controller_spec.rb b/spec/controllers/instance_actors_controller_spec.rb
index d6b4c793b8d..84a07d4970b 100644
--- a/spec/controllers/instance_actors_controller_spec.rb
+++ b/spec/controllers/instance_actors_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe InstanceActorsController, type: :controller do
diff --git a/spec/controllers/intents_controller_spec.rb b/spec/controllers/intents_controller_spec.rb
index 394f7d512be..02b46ddc797 100644
--- a/spec/controllers/intents_controller_spec.rb
+++ b/spec/controllers/intents_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe IntentsController, type: :controller do
diff --git a/spec/controllers/invites_controller_spec.rb b/spec/controllers/invites_controller_spec.rb
index 23b98fb1290..408c5e1b533 100644
--- a/spec/controllers/invites_controller_spec.rb
+++ b/spec/controllers/invites_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe InvitesController do
diff --git a/spec/controllers/manifests_controller_spec.rb b/spec/controllers/manifests_controller_spec.rb
index a549adef3f3..ecd6957fc2c 100644
--- a/spec/controllers/manifests_controller_spec.rb
+++ b/spec/controllers/manifests_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ManifestsController do
diff --git a/spec/controllers/relationships_controller_spec.rb b/spec/controllers/relationships_controller_spec.rb
index 4c4227d6636..39f455e0389 100644
--- a/spec/controllers/relationships_controller_spec.rb
+++ b/spec/controllers/relationships_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe RelationshipsController do
diff --git a/spec/controllers/settings/applications_controller_spec.rb b/spec/controllers/settings/applications_controller_spec.rb
index a653b87c760..5c6b04a1557 100644
--- a/spec/controllers/settings/applications_controller_spec.rb
+++ b/spec/controllers/settings/applications_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::ApplicationsController do
diff --git a/spec/controllers/settings/deletes_controller_spec.rb b/spec/controllers/settings/deletes_controller_spec.rb
index a94dc042a52..a7edac6a961 100644
--- a/spec/controllers/settings/deletes_controller_spec.rb
+++ b/spec/controllers/settings/deletes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::DeletesController do
diff --git a/spec/controllers/settings/exports/blocked_accounts_controller_spec.rb b/spec/controllers/settings/exports/blocked_accounts_controller_spec.rb
index 5ff41b7fcd8..459b278d649 100644
--- a/spec/controllers/settings/exports/blocked_accounts_controller_spec.rb
+++ b/spec/controllers/settings/exports/blocked_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Exports::BlockedAccountsController do
diff --git a/spec/controllers/settings/exports/bookmarks_controller_spec.rb b/spec/controllers/settings/exports/bookmarks_controller_spec.rb
index a06c02e0c31..9982eff165a 100644
--- a/spec/controllers/settings/exports/bookmarks_controller_spec.rb
+++ b/spec/controllers/settings/exports/bookmarks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Exports::BookmarksController do
diff --git a/spec/controllers/settings/exports/following_accounts_controller_spec.rb b/spec/controllers/settings/exports/following_accounts_controller_spec.rb
index bfe01055568..72b0b94e13b 100644
--- a/spec/controllers/settings/exports/following_accounts_controller_spec.rb
+++ b/spec/controllers/settings/exports/following_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Exports::FollowingAccountsController do
diff --git a/spec/controllers/settings/exports/muted_accounts_controller_spec.rb b/spec/controllers/settings/exports/muted_accounts_controller_spec.rb
index 642f0a9b8f0..b4170cb160b 100644
--- a/spec/controllers/settings/exports/muted_accounts_controller_spec.rb
+++ b/spec/controllers/settings/exports/muted_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Exports::MutedAccountsController do
diff --git a/spec/controllers/settings/featured_tags_controller_spec.rb b/spec/controllers/settings/featured_tags_controller_spec.rb
index fc338672d59..5c61351af38 100644
--- a/spec/controllers/settings/featured_tags_controller_spec.rb
+++ b/spec/controllers/settings/featured_tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::FeaturedTagsController do
diff --git a/spec/controllers/settings/imports_controller_spec.rb b/spec/controllers/settings/imports_controller_spec.rb
index e50504cc5b5..78973df2b33 100644
--- a/spec/controllers/settings/imports_controller_spec.rb
+++ b/spec/controllers/settings/imports_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Settings::ImportsController, type: :controller do
diff --git a/spec/controllers/settings/migrations_controller_spec.rb b/spec/controllers/settings/migrations_controller_spec.rb
index 8159bb21b1f..9b12bc40f13 100644
--- a/spec/controllers/settings/migrations_controller_spec.rb
+++ b/spec/controllers/settings/migrations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::MigrationsController do
diff --git a/spec/controllers/settings/preferences/notifications_controller_spec.rb b/spec/controllers/settings/preferences/notifications_controller_spec.rb
index a821052edf4..66fb8c5eb98 100644
--- a/spec/controllers/settings/preferences/notifications_controller_spec.rb
+++ b/spec/controllers/settings/preferences/notifications_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Preferences::NotificationsController do
diff --git a/spec/controllers/settings/preferences/other_controller_spec.rb b/spec/controllers/settings/preferences/other_controller_spec.rb
index ffb37e0bd60..63eeefaf0ff 100644
--- a/spec/controllers/settings/preferences/other_controller_spec.rb
+++ b/spec/controllers/settings/preferences/other_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Preferences::OtherController do
diff --git a/spec/controllers/settings/profiles_controller_spec.rb b/spec/controllers/settings/profiles_controller_spec.rb
index c7a6ad66433..e45596b1af5 100644
--- a/spec/controllers/settings/profiles_controller_spec.rb
+++ b/spec/controllers/settings/profiles_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Settings::ProfilesController, type: :controller do
diff --git a/spec/controllers/settings/sessions_controller_spec.rb b/spec/controllers/settings/sessions_controller_spec.rb
index fdf46d94738..a4248e1bde6 100644
--- a/spec/controllers/settings/sessions_controller_spec.rb
+++ b/spec/controllers/settings/sessions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::SessionsController do
diff --git a/spec/controllers/shares_controller_spec.rb b/spec/controllers/shares_controller_spec.rb
index 0fde8c6927d..6d5bb4f8d8d 100644
--- a/spec/controllers/shares_controller_spec.rb
+++ b/spec/controllers/shares_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe SharesController do
diff --git a/spec/controllers/statuses_cleanup_controller_spec.rb b/spec/controllers/statuses_cleanup_controller_spec.rb
index 24b4ea7b601..969778bbfe9 100644
--- a/spec/controllers/statuses_cleanup_controller_spec.rb
+++ b/spec/controllers/statuses_cleanup_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusesCleanupController, type: :controller do
diff --git a/spec/controllers/tags_controller_spec.rb b/spec/controllers/tags_controller_spec.rb
index 547bcfb3951..8a3fa0bf8c6 100644
--- a/spec/controllers/tags_controller_spec.rb
+++ b/spec/controllers/tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe TagsController, type: :controller do
diff --git a/spec/controllers/well_known/host_meta_controller_spec.rb b/spec/controllers/well_known/host_meta_controller_spec.rb
index 654bad40670..d537043708f 100644
--- a/spec/controllers/well_known/host_meta_controller_spec.rb
+++ b/spec/controllers/well_known/host_meta_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe WellKnown::HostMetaController, type: :controller do
diff --git a/spec/controllers/well_known/nodeinfo_controller_spec.rb b/spec/controllers/well_known/nodeinfo_controller_spec.rb
index 0cadc543578..f5cde150da5 100644
--- a/spec/controllers/well_known/nodeinfo_controller_spec.rb
+++ b/spec/controllers/well_known/nodeinfo_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe WellKnown::NodeInfoController, type: :controller do
diff --git a/spec/controllers/well_known/webfinger_controller_spec.rb b/spec/controllers/well_known/webfinger_controller_spec.rb
index 1ccfb218e8d..00103df7065 100644
--- a/spec/controllers/well_known/webfinger_controller_spec.rb
+++ b/spec/controllers/well_known/webfinger_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe WellKnown::WebfingerController, type: :controller do
diff --git a/spec/fabricators/access_grant_fabricator.rb b/spec/fabricators/access_grant_fabricator.rb
index ae1945f2bb1..adc2b8369dc 100644
--- a/spec/fabricators/access_grant_fabricator.rb
+++ b/spec/fabricators/access_grant_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator :access_grant, from: 'Doorkeeper::AccessGrant' do
   application
   resource_owner_id { Fabricate(:user).id }
diff --git a/spec/fabricators/access_token_fabricator.rb b/spec/fabricators/access_token_fabricator.rb
index 1856a8eb3b3..508c328085d 100644
--- a/spec/fabricators/access_token_fabricator.rb
+++ b/spec/fabricators/access_token_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator :access_token, from: 'Doorkeeper::AccessToken' do
 end
diff --git a/spec/fabricators/accessible_access_token_fabricator.rb b/spec/fabricators/accessible_access_token_fabricator.rb
index 4b7e99b2070..fb3d0889b15 100644
--- a/spec/fabricators/accessible_access_token_fabricator.rb
+++ b/spec/fabricators/accessible_access_token_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator :accessible_access_token, from: :access_token do
   expires_in { nil }
   revoked_at { nil }
diff --git a/spec/fabricators/account_alias_fabricator.rb b/spec/fabricators/account_alias_fabricator.rb
index 94dde9bb8c1..4f434c078af 100644
--- a/spec/fabricators/account_alias_fabricator.rb
+++ b/spec/fabricators/account_alias_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_alias) do
   account
   acct 'test@example.com'
diff --git a/spec/fabricators/account_deletion_request_fabricator.rb b/spec/fabricators/account_deletion_request_fabricator.rb
index 08a82ba3c33..3d3d3739889 100644
--- a/spec/fabricators/account_deletion_request_fabricator.rb
+++ b/spec/fabricators/account_deletion_request_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_deletion_request) do
   account
 end
diff --git a/spec/fabricators/account_domain_block_fabricator.rb b/spec/fabricators/account_domain_block_fabricator.rb
index 2ad4b67a99b..ff85e17f3f7 100644
--- a/spec/fabricators/account_domain_block_fabricator.rb
+++ b/spec/fabricators/account_domain_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_domain_block) do
   account
   domain 'example.com'
diff --git a/spec/fabricators/account_fabricator.rb b/spec/fabricators/account_fabricator.rb
index 205706532ee..6ffbba5849a 100644
--- a/spec/fabricators/account_fabricator.rb
+++ b/spec/fabricators/account_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 keypair     = OpenSSL::PKey::RSA.new(2048)
 public_key  = keypair.public_key.to_pem
 private_key = keypair.to_pem
diff --git a/spec/fabricators/account_migration_fabricator.rb b/spec/fabricators/account_migration_fabricator.rb
index 2a8e747a81a..fd453f6d2ab 100644
--- a/spec/fabricators/account_migration_fabricator.rb
+++ b/spec/fabricators/account_migration_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_migration) do
   account
   target_account { |attrs| Fabricate(:account, also_known_as: [ActivityPub::TagManager.instance.uri_for(attrs[:account])]) }
diff --git a/spec/fabricators/account_moderation_note_fabricator.rb b/spec/fabricators/account_moderation_note_fabricator.rb
index 343a41fb1a3..403870db6d8 100644
--- a/spec/fabricators/account_moderation_note_fabricator.rb
+++ b/spec/fabricators/account_moderation_note_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_moderation_note) do
   content 'MyText'
   account nil
diff --git a/spec/fabricators/account_note_fabricator.rb b/spec/fabricators/account_note_fabricator.rb
index 285703b38c8..bb4ed8b24d6 100644
--- a/spec/fabricators/account_note_fabricator.rb
+++ b/spec/fabricators/account_note_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_note) do
   account
   target_account { Fabricate(:account) }
diff --git a/spec/fabricators/account_pin_fabricator.rb b/spec/fabricators/account_pin_fabricator.rb
index c0f8b8afbb6..7d8a77bb54e 100644
--- a/spec/fabricators/account_pin_fabricator.rb
+++ b/spec/fabricators/account_pin_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_pin) do
   account        nil
   target_account nil
diff --git a/spec/fabricators/account_stat_fabricator.rb b/spec/fabricators/account_stat_fabricator.rb
index b1b47ffef48..45b1524ef38 100644
--- a/spec/fabricators/account_stat_fabricator.rb
+++ b/spec/fabricators/account_stat_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_stat) do
   account         nil
   statuses_count  ''
diff --git a/spec/fabricators/account_statuses_cleanup_policy_fabricator.rb b/spec/fabricators/account_statuses_cleanup_policy_fabricator.rb
index 29cf1d13393..0e756ddbaa0 100644
--- a/spec/fabricators/account_statuses_cleanup_policy_fabricator.rb
+++ b/spec/fabricators/account_statuses_cleanup_policy_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_statuses_cleanup_policy) do
   account
 end
diff --git a/spec/fabricators/account_tag_stat_fabricator.rb b/spec/fabricators/account_tag_stat_fabricator.rb
index 7a4de07f62f..769015bd022 100644
--- a/spec/fabricators/account_tag_stat_fabricator.rb
+++ b/spec/fabricators/account_tag_stat_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_tag_stat) do
   accounts_count ''
 end
diff --git a/spec/fabricators/account_warning_fabricator.rb b/spec/fabricators/account_warning_fabricator.rb
index 72fe835d9aa..e5059e37f59 100644
--- a/spec/fabricators/account_warning_fabricator.rb
+++ b/spec/fabricators/account_warning_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_warning) do
   account
   target_account(fabricator: :account)
diff --git a/spec/fabricators/account_warning_preset_fabricator.rb b/spec/fabricators/account_warning_preset_fabricator.rb
index 7e7c03cb81a..7588e7f9cf9 100644
--- a/spec/fabricators/account_warning_preset_fabricator.rb
+++ b/spec/fabricators/account_warning_preset_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_warning_preset) do
   text 'MyText'
 end
diff --git a/spec/fabricators/admin_action_log_fabricator.rb b/spec/fabricators/admin_action_log_fabricator.rb
index 474bef1bce5..eb738c01c05 100644
--- a/spec/fabricators/admin_action_log_fabricator.rb
+++ b/spec/fabricators/admin_action_log_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator('Admin::ActionLog') do
   account nil
   action  'MyString'
diff --git a/spec/fabricators/announcement_fabricator.rb b/spec/fabricators/announcement_fabricator.rb
index 5a3871d9012..5d77365875d 100644
--- a/spec/fabricators/announcement_fabricator.rb
+++ b/spec/fabricators/announcement_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:announcement) do
   text      { Faker::Lorem.paragraph(sentence_count: 2) }
   published true
diff --git a/spec/fabricators/announcement_mute_fabricator.rb b/spec/fabricators/announcement_mute_fabricator.rb
index c4eafe8f4c2..109fec0412c 100644
--- a/spec/fabricators/announcement_mute_fabricator.rb
+++ b/spec/fabricators/announcement_mute_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:announcement_mute) do
   account
   announcement
diff --git a/spec/fabricators/announcement_reaction_fabricator.rb b/spec/fabricators/announcement_reaction_fabricator.rb
index f923c59c60a..5da51caaa3c 100644
--- a/spec/fabricators/announcement_reaction_fabricator.rb
+++ b/spec/fabricators/announcement_reaction_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:announcement_reaction) do
   account
   announcement
diff --git a/spec/fabricators/appeal_fabricator.rb b/spec/fabricators/appeal_fabricator.rb
index 339363822d8..039086c4e57 100644
--- a/spec/fabricators/appeal_fabricator.rb
+++ b/spec/fabricators/appeal_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:appeal) do
   strike(fabricator: :account_warning)
   account { |attrs| attrs[:strike].target_account }
diff --git a/spec/fabricators/application_fabricator.rb b/spec/fabricators/application_fabricator.rb
index 42b7009dc23..272821304cf 100644
--- a/spec/fabricators/application_fabricator.rb
+++ b/spec/fabricators/application_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:application, from: Doorkeeper::Application) do
   name         'Example'
   website      'http://example.com'
diff --git a/spec/fabricators/backup_fabricator.rb b/spec/fabricators/backup_fabricator.rb
index 99a5bdcda1d..c73ae54bed6 100644
--- a/spec/fabricators/backup_fabricator.rb
+++ b/spec/fabricators/backup_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:backup) do
   user
 end
diff --git a/spec/fabricators/block_fabricator.rb b/spec/fabricators/block_fabricator.rb
index 379931ba654..c2e9e9628d8 100644
--- a/spec/fabricators/block_fabricator.rb
+++ b/spec/fabricators/block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:block) do
   account
   target_account { Fabricate(:account) }
diff --git a/spec/fabricators/bookmark_fabricator.rb b/spec/fabricators/bookmark_fabricator.rb
index 12cbc5bfa4c..e21046fc251 100644
--- a/spec/fabricators/bookmark_fabricator.rb
+++ b/spec/fabricators/bookmark_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:bookmark) do
   account
   status
diff --git a/spec/fabricators/canonical_email_block_fabricator.rb b/spec/fabricators/canonical_email_block_fabricator.rb
index 61afde3de2b..21d7c240233 100644
--- a/spec/fabricators/canonical_email_block_fabricator.rb
+++ b/spec/fabricators/canonical_email_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:canonical_email_block) do
   email 'test@example.com'
   reference_account { Fabricate(:account) }
diff --git a/spec/fabricators/conversation_account_fabricator.rb b/spec/fabricators/conversation_account_fabricator.rb
index 0fe7a494efb..f69d36855e3 100644
--- a/spec/fabricators/conversation_account_fabricator.rb
+++ b/spec/fabricators/conversation_account_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:conversation_account) do
   account                 nil
   conversation            nil
diff --git a/spec/fabricators/conversation_fabricator.rb b/spec/fabricators/conversation_fabricator.rb
index b4fadb46b80..07c6780bf96 100644
--- a/spec/fabricators/conversation_fabricator.rb
+++ b/spec/fabricators/conversation_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:conversation) do
 end
diff --git a/spec/fabricators/conversation_mute_fabricator.rb b/spec/fabricators/conversation_mute_fabricator.rb
index 84f131c261e..5cf4dd3d59e 100644
--- a/spec/fabricators/conversation_mute_fabricator.rb
+++ b/spec/fabricators/conversation_mute_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:conversation_mute) do
 end
diff --git a/spec/fabricators/custom_emoji_category_fabricator.rb b/spec/fabricators/custom_emoji_category_fabricator.rb
index 119c343cf0d..6019baba21c 100644
--- a/spec/fabricators/custom_emoji_category_fabricator.rb
+++ b/spec/fabricators/custom_emoji_category_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_emoji_category) do
   name 'MyString'
 end
diff --git a/spec/fabricators/custom_emoji_fabricator.rb b/spec/fabricators/custom_emoji_fabricator.rb
index 18a7d23dc49..298a50b4bfe 100644
--- a/spec/fabricators/custom_emoji_fabricator.rb
+++ b/spec/fabricators/custom_emoji_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_emoji) do
   shortcode 'coolcat'
   domain    nil
diff --git a/spec/fabricators/custom_filter_fabricator.rb b/spec/fabricators/custom_filter_fabricator.rb
index 64297a7e30f..5fee4f01af9 100644
--- a/spec/fabricators/custom_filter_fabricator.rb
+++ b/spec/fabricators/custom_filter_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_filter) do
   account
   expires_at nil
diff --git a/spec/fabricators/custom_filter_keyword_fabricator.rb b/spec/fabricators/custom_filter_keyword_fabricator.rb
index 201566cbe34..f1fb440dc5d 100644
--- a/spec/fabricators/custom_filter_keyword_fabricator.rb
+++ b/spec/fabricators/custom_filter_keyword_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_filter_keyword) do
   custom_filter
   keyword 'discourse'
diff --git a/spec/fabricators/custom_filter_status_fabricator.rb b/spec/fabricators/custom_filter_status_fabricator.rb
index d082b81c5ee..3ef1d0ec83f 100644
--- a/spec/fabricators/custom_filter_status_fabricator.rb
+++ b/spec/fabricators/custom_filter_status_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_filter_status) do
   custom_filter
   status
diff --git a/spec/fabricators/device_fabricator.rb b/spec/fabricators/device_fabricator.rb
index b15d8248fb0..26c71b4fdd8 100644
--- a/spec/fabricators/device_fabricator.rb
+++ b/spec/fabricators/device_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:device) do
   access_token
   account
diff --git a/spec/fabricators/domain_allow_fabricator.rb b/spec/fabricators/domain_allow_fabricator.rb
index 6f62ce3b8c6..b32af129bcf 100644
--- a/spec/fabricators/domain_allow_fabricator.rb
+++ b/spec/fabricators/domain_allow_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:domain_allow) do
   domain 'MyString'
 end
diff --git a/spec/fabricators/domain_block_fabricator.rb b/spec/fabricators/domain_block_fabricator.rb
index cc1f928e584..c703a18e923 100644
--- a/spec/fabricators/domain_block_fabricator.rb
+++ b/spec/fabricators/domain_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:domain_block) do
   domain { sequence(:domain) { |i| "#{i}#{Faker::Internet.domain_name}" } }
 end
diff --git a/spec/fabricators/email_domain_block_fabricator.rb b/spec/fabricators/email_domain_block_fabricator.rb
index d18af6433c8..a74cca73dd4 100644
--- a/spec/fabricators/email_domain_block_fabricator.rb
+++ b/spec/fabricators/email_domain_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:email_domain_block) do
   domain { sequence(:domain) { |i| "#{i}#{Faker::Internet.domain_name}" } }
 end
diff --git a/spec/fabricators/encrypted_message_fabricator.rb b/spec/fabricators/encrypted_message_fabricator.rb
index 4de0d7add2e..2898827549c 100644
--- a/spec/fabricators/encrypted_message_fabricator.rb
+++ b/spec/fabricators/encrypted_message_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:encrypted_message) do
   device
   from_account
diff --git a/spec/fabricators/favourite_fabricator.rb b/spec/fabricators/favourite_fabricator.rb
index 464ac8d71aa..005947e6f82 100644
--- a/spec/fabricators/favourite_fabricator.rb
+++ b/spec/fabricators/favourite_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:favourite) do
   account
   status
diff --git a/spec/fabricators/featured_tag_fabricator.rb b/spec/fabricators/featured_tag_fabricator.rb
index 25cbdaac0bc..4bfa3e924e7 100644
--- a/spec/fabricators/featured_tag_fabricator.rb
+++ b/spec/fabricators/featured_tag_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:featured_tag) do
   account
   tag
diff --git a/spec/fabricators/follow_fabricator.rb b/spec/fabricators/follow_fabricator.rb
index 9b25dc547bb..41b5305d558 100644
--- a/spec/fabricators/follow_fabricator.rb
+++ b/spec/fabricators/follow_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:follow) do
   account
   target_account { Fabricate(:account) }
diff --git a/spec/fabricators/follow_recommendation_suppression_fabricator.rb b/spec/fabricators/follow_recommendation_suppression_fabricator.rb
index 4a6a07a66cc..6477baee11d 100644
--- a/spec/fabricators/follow_recommendation_suppression_fabricator.rb
+++ b/spec/fabricators/follow_recommendation_suppression_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:follow_recommendation_suppression) do
   account
 end
diff --git a/spec/fabricators/follow_request_fabricator.rb b/spec/fabricators/follow_request_fabricator.rb
index c00ddf84d9b..86b82611f74 100644
--- a/spec/fabricators/follow_request_fabricator.rb
+++ b/spec/fabricators/follow_request_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:follow_request) do
   account
   target_account { Fabricate(:account, locked: true) }
diff --git a/spec/fabricators/identity_fabricator.rb b/spec/fabricators/identity_fabricator.rb
index fcfb15518f0..b830101117a 100644
--- a/spec/fabricators/identity_fabricator.rb
+++ b/spec/fabricators/identity_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:identity) do
   user     nil
   provider 'MyString'
diff --git a/spec/fabricators/import_fabricator.rb b/spec/fabricators/import_fabricator.rb
index e2eb1e0dfb2..11602f407ff 100644
--- a/spec/fabricators/import_fabricator.rb
+++ b/spec/fabricators/import_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:import) do
 end
diff --git a/spec/fabricators/invite_fabricator.rb b/spec/fabricators/invite_fabricator.rb
index 62b9b3904a2..4f47d6ce2ff 100644
--- a/spec/fabricators/invite_fabricator.rb
+++ b/spec/fabricators/invite_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:invite) do
   user
   expires_at nil
diff --git a/spec/fabricators/ip_block_fabricator.rb b/spec/fabricators/ip_block_fabricator.rb
index 5bd018f9c2f..a5da3f70658 100644
--- a/spec/fabricators/ip_block_fabricator.rb
+++ b/spec/fabricators/ip_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:ip_block) do
   ip         ''
   severity   ''
diff --git a/spec/fabricators/list_account_fabricator.rb b/spec/fabricators/list_account_fabricator.rb
index 30e4004aa57..b0af29e6faf 100644
--- a/spec/fabricators/list_account_fabricator.rb
+++ b/spec/fabricators/list_account_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:list_account) do
   list    nil
   account nil
diff --git a/spec/fabricators/list_fabricator.rb b/spec/fabricators/list_fabricator.rb
index 4ad29a386e3..47af752b8cc 100644
--- a/spec/fabricators/list_fabricator.rb
+++ b/spec/fabricators/list_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:list) do
   account
   title 'MyString'
diff --git a/spec/fabricators/login_activity_fabricator.rb b/spec/fabricators/login_activity_fabricator.rb
index 686fd6483d9..2b30658ff52 100644
--- a/spec/fabricators/login_activity_fabricator.rb
+++ b/spec/fabricators/login_activity_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:login_activity) do
   user
   authentication_method 'password'
diff --git a/spec/fabricators/marker_fabricator.rb b/spec/fabricators/marker_fabricator.rb
index 0c94150e0dc..561c2553ae7 100644
--- a/spec/fabricators/marker_fabricator.rb
+++ b/spec/fabricators/marker_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:marker) do
   user
   timeline     'home'
diff --git a/spec/fabricators/media_attachment_fabricator.rb b/spec/fabricators/media_attachment_fabricator.rb
index 651927c2dd9..4a081dccbee 100644
--- a/spec/fabricators/media_attachment_fabricator.rb
+++ b/spec/fabricators/media_attachment_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:media_attachment) do
   account
 
diff --git a/spec/fabricators/mention_fabricator.rb b/spec/fabricators/mention_fabricator.rb
index cb5fe4299a0..5a83928275f 100644
--- a/spec/fabricators/mention_fabricator.rb
+++ b/spec/fabricators/mention_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:mention) do
   account
   status
diff --git a/spec/fabricators/mute_fabricator.rb b/spec/fabricators/mute_fabricator.rb
index 30d20e87e92..242ae2b08e2 100644
--- a/spec/fabricators/mute_fabricator.rb
+++ b/spec/fabricators/mute_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:mute) do
   account
   target_account { Fabricate(:account) }
diff --git a/spec/fabricators/notification_fabricator.rb b/spec/fabricators/notification_fabricator.rb
index 638844e0fcc..959fda913bd 100644
--- a/spec/fabricators/notification_fabricator.rb
+++ b/spec/fabricators/notification_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:notification) do
   activity fabricator: [:mention, :status, :follow, :follow_request, :favourite].sample
   account
diff --git a/spec/fabricators/one_time_key_fabricator.rb b/spec/fabricators/one_time_key_fabricator.rb
index 8794baeb597..e317c28bd17 100644
--- a/spec/fabricators/one_time_key_fabricator.rb
+++ b/spec/fabricators/one_time_key_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:one_time_key) do
   device
   key_id { Faker::Alphanumeric.alphanumeric(number: 10) }
diff --git a/spec/fabricators/poll_fabricator.rb b/spec/fabricators/poll_fabricator.rb
index 746610f7c66..19c3b1d1641 100644
--- a/spec/fabricators/poll_fabricator.rb
+++ b/spec/fabricators/poll_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:poll) do
   account
   status
diff --git a/spec/fabricators/poll_vote_fabricator.rb b/spec/fabricators/poll_vote_fabricator.rb
index c06e61f6731..9099ae96fe0 100644
--- a/spec/fabricators/poll_vote_fabricator.rb
+++ b/spec/fabricators/poll_vote_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:poll_vote) do
   account
   poll
diff --git a/spec/fabricators/preview_card_fabricator.rb b/spec/fabricators/preview_card_fabricator.rb
index 99b5edc4357..b8f2c50972e 100644
--- a/spec/fabricators/preview_card_fabricator.rb
+++ b/spec/fabricators/preview_card_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:preview_card) do
   url { Faker::Internet.url }
   title { Faker::Lorem.sentence }
diff --git a/spec/fabricators/relay_fabricator.rb b/spec/fabricators/relay_fabricator.rb
index d6255866cf0..ad8ba86fcfe 100644
--- a/spec/fabricators/relay_fabricator.rb
+++ b/spec/fabricators/relay_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:relay) do
   inbox_url 'https://example.com/inbox'
   state :idle
diff --git a/spec/fabricators/report_fabricator.rb b/spec/fabricators/report_fabricator.rb
index 3011c49c6f1..7124773ad00 100644
--- a/spec/fabricators/report_fabricator.rb
+++ b/spec/fabricators/report_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:report) do
   account
   target_account  { Fabricate(:account) }
diff --git a/spec/fabricators/report_note_fabricator.rb b/spec/fabricators/report_note_fabricator.rb
index 33f38407467..f257fe2b7d5 100644
--- a/spec/fabricators/report_note_fabricator.rb
+++ b/spec/fabricators/report_note_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:report_note) do
   report
   account { Fabricate(:account) }
diff --git a/spec/fabricators/rule_fabricator.rb b/spec/fabricators/rule_fabricator.rb
index bc29bc48e18..a29fd905a45 100644
--- a/spec/fabricators/rule_fabricator.rb
+++ b/spec/fabricators/rule_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:rule) do
   priority   0
   deleted_at nil
diff --git a/spec/fabricators/scheduled_status_fabricator.rb b/spec/fabricators/scheduled_status_fabricator.rb
index 52384d13787..e517f258a27 100644
--- a/spec/fabricators/scheduled_status_fabricator.rb
+++ b/spec/fabricators/scheduled_status_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:scheduled_status) do
   account
   scheduled_at { 20.hours.from_now }
diff --git a/spec/fabricators/session_activation_fabricator.rb b/spec/fabricators/session_activation_fabricator.rb
index a7fc3b017d0..b28d5e41d76 100644
--- a/spec/fabricators/session_activation_fabricator.rb
+++ b/spec/fabricators/session_activation_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:session_activation) do
   user
   session_id 'MyString'
diff --git a/spec/fabricators/site_upload_fabricator.rb b/spec/fabricators/site_upload_fabricator.rb
index 2efc57e2803..b6841dea3c3 100644
--- a/spec/fabricators/site_upload_fabricator.rb
+++ b/spec/fabricators/site_upload_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:site_upload) do
   file { File.open(File.join(Rails.root, 'spec', 'fabricators', 'assets', 'utah_teapot.png')) }
 end
diff --git a/spec/fabricators/status_edit_fabricator.rb b/spec/fabricators/status_edit_fabricator.rb
index 0e5796b232c..33735a45920 100644
--- a/spec/fabricators/status_edit_fabricator.rb
+++ b/spec/fabricators/status_edit_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:status_edit) do
   status                    nil
   account                   nil
diff --git a/spec/fabricators/status_fabricator.rb b/spec/fabricators/status_fabricator.rb
index 8a0a8aa5572..17ac9ccd8a1 100644
--- a/spec/fabricators/status_fabricator.rb
+++ b/spec/fabricators/status_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:status) do
   account
   text 'Lorem ipsum dolor sit amet'
diff --git a/spec/fabricators/status_pin_fabricator.rb b/spec/fabricators/status_pin_fabricator.rb
index f1f1c05f38d..9ad0ac9de3c 100644
--- a/spec/fabricators/status_pin_fabricator.rb
+++ b/spec/fabricators/status_pin_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:status_pin) do
   account
   status { |attrs| Fabricate(:status, account: attrs[:account], visibility: :public) }
diff --git a/spec/fabricators/status_stat_fabricator.rb b/spec/fabricators/status_stat_fabricator.rb
index feba9fbcabb..8a358c51a91 100644
--- a/spec/fabricators/status_stat_fabricator.rb
+++ b/spec/fabricators/status_stat_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:status_stat) do
   status_id        nil
   replies_count    ''
diff --git a/spec/fabricators/system_key_fabricator.rb b/spec/fabricators/system_key_fabricator.rb
index c744bb2867a..ef6cec9c40d 100644
--- a/spec/fabricators/system_key_fabricator.rb
+++ b/spec/fabricators/system_key_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:system_key) do
 end
diff --git a/spec/fabricators/tag_fabricator.rb b/spec/fabricators/tag_fabricator.rb
index 33d57c9281f..a7b52e9671a 100644
--- a/spec/fabricators/tag_fabricator.rb
+++ b/spec/fabricators/tag_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:tag) do
   name { sequence(:hashtag) { |i| "#{Faker::Lorem.word}#{i}" } }
 end
diff --git a/spec/fabricators/tag_follow_fabricator.rb b/spec/fabricators/tag_follow_fabricator.rb
index a2cccb07a83..cbe5b09898a 100644
--- a/spec/fabricators/tag_follow_fabricator.rb
+++ b/spec/fabricators/tag_follow_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:tag_follow) do
   tag
   account
diff --git a/spec/fabricators/unavailable_domain_fabricator.rb b/spec/fabricators/unavailable_domain_fabricator.rb
index f661b87c4ac..300a9e7a141 100644
--- a/spec/fabricators/unavailable_domain_fabricator.rb
+++ b/spec/fabricators/unavailable_domain_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:unavailable_domain) do
   domain { Faker::Internet.domain }
 end
diff --git a/spec/fabricators/user_fabricator.rb b/spec/fabricators/user_fabricator.rb
index 93ce07a74d2..967347319c5 100644
--- a/spec/fabricators/user_fabricator.rb
+++ b/spec/fabricators/user_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:user) do
   account      { Fabricate.build(:account, user: nil) }
   email        { sequence(:email) { |i| "#{i}#{Faker::Internet.email}" } }
diff --git a/spec/fabricators/user_invite_request_fabricator.rb b/spec/fabricators/user_invite_request_fabricator.rb
index 5cc6ae56fec..7736263e459 100644
--- a/spec/fabricators/user_invite_request_fabricator.rb
+++ b/spec/fabricators/user_invite_request_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:user_invite_request) do
   user
   text { Faker::Lorem.sentence }
diff --git a/spec/fabricators/user_role_fabricator.rb b/spec/fabricators/user_role_fabricator.rb
index 592b4edcaaa..d443227605c 100644
--- a/spec/fabricators/user_role_fabricator.rb
+++ b/spec/fabricators/user_role_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:user_role) do
   name        'MyString'
   color       ''
diff --git a/spec/fabricators/web_push_subscription_fabricator.rb b/spec/fabricators/web_push_subscription_fabricator.rb
index 97f90675de0..baffdbf83ea 100644
--- a/spec/fabricators/web_push_subscription_fabricator.rb
+++ b/spec/fabricators/web_push_subscription_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:web_push_subscription, from: Web::PushSubscription) do
   endpoint   Faker::Internet.url
   key_p256dh Faker::Internet.password
diff --git a/spec/fabricators/web_setting_fabricator.rb b/spec/fabricators/web_setting_fabricator.rb
index 369b86bc18a..7c9f3007982 100644
--- a/spec/fabricators/web_setting_fabricator.rb
+++ b/spec/fabricators/web_setting_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:web_setting, from: Web::Setting) do
 end
diff --git a/spec/fabricators/webauthn_credential_fabricator.rb b/spec/fabricators/webauthn_credential_fabricator.rb
index ba59ce96772..b578d55f00d 100644
--- a/spec/fabricators/webauthn_credential_fabricator.rb
+++ b/spec/fabricators/webauthn_credential_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:webauthn_credential) do
   user_id { Fabricate(:user).id }
   external_id { Base64.urlsafe_encode64(SecureRandom.random_bytes(16)) }
diff --git a/spec/fabricators/webhook_fabricator.rb b/spec/fabricators/webhook_fabricator.rb
index fa4f17b5546..477e715efa3 100644
--- a/spec/fabricators/webhook_fabricator.rb
+++ b/spec/fabricators/webhook_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:webhook) do
   url { Faker::Internet.url }
   secret { SecureRandom.hex }
diff --git a/spec/helpers/accounts_helper_spec.rb b/spec/helpers/accounts_helper_spec.rb
index 1f412a39ff7..184b47dec68 100644
--- a/spec/helpers/accounts_helper_spec.rb
+++ b/spec/helpers/accounts_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountsHelper, type: :helper do
diff --git a/spec/helpers/admin/filter_helper_spec.rb b/spec/helpers/admin/filter_helper_spec.rb
index 9d4ea282946..bbf90a99699 100644
--- a/spec/helpers/admin/filter_helper_spec.rb
+++ b/spec/helpers/admin/filter_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::FilterHelper do
diff --git a/spec/helpers/application_helper_spec.rb b/spec/helpers/application_helper_spec.rb
index e0f71afd532..2db2ee288ef 100644
--- a/spec/helpers/application_helper_spec.rb
+++ b/spec/helpers/application_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ApplicationHelper do
diff --git a/spec/helpers/home_helper_spec.rb b/spec/helpers/home_helper_spec.rb
index a3dc6f836ff..77db327c2d8 100644
--- a/spec/helpers/home_helper_spec.rb
+++ b/spec/helpers/home_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe HomeHelper, type: :helper do
diff --git a/spec/helpers/statuses_helper_spec.rb b/spec/helpers/statuses_helper_spec.rb
index cba659bfb5b..ce2a4680e07 100644
--- a/spec/helpers/statuses_helper_spec.rb
+++ b/spec/helpers/statuses_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusesHelper, type: :helper do
diff --git a/spec/lib/activitypub/activity/accept_spec.rb b/spec/lib/activitypub/activity/accept_spec.rb
index 95a5a8747d1..890a07be54e 100644
--- a/spec/lib/activitypub/activity/accept_spec.rb
+++ b/spec/lib/activitypub/activity/accept_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Accept do
diff --git a/spec/lib/activitypub/activity/add_spec.rb b/spec/lib/activitypub/activity/add_spec.rb
index a69c3d2b19d..9c45e465e48 100644
--- a/spec/lib/activitypub/activity/add_spec.rb
+++ b/spec/lib/activitypub/activity/add_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Add do
diff --git a/spec/lib/activitypub/activity/announce_spec.rb b/spec/lib/activitypub/activity/announce_spec.rb
index b3257e881fe..394b1d7b93a 100644
--- a/spec/lib/activitypub/activity/announce_spec.rb
+++ b/spec/lib/activitypub/activity/announce_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Announce do
diff --git a/spec/lib/activitypub/activity/block_spec.rb b/spec/lib/activitypub/activity/block_spec.rb
index 42bdfdc810e..6f68984018c 100644
--- a/spec/lib/activitypub/activity/block_spec.rb
+++ b/spec/lib/activitypub/activity/block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Block do
diff --git a/spec/lib/activitypub/activity/create_spec.rb b/spec/lib/activitypub/activity/create_spec.rb
index fd498303748..933eff2256b 100644
--- a/spec/lib/activitypub/activity/create_spec.rb
+++ b/spec/lib/activitypub/activity/create_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Create do
diff --git a/spec/lib/activitypub/activity/delete_spec.rb b/spec/lib/activitypub/activity/delete_spec.rb
index 40cd0fce954..3a73b3726c9 100644
--- a/spec/lib/activitypub/activity/delete_spec.rb
+++ b/spec/lib/activitypub/activity/delete_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Delete do
diff --git a/spec/lib/activitypub/activity/flag_spec.rb b/spec/lib/activitypub/activity/flag_spec.rb
index c2a50535671..005e185e6b9 100644
--- a/spec/lib/activitypub/activity/flag_spec.rb
+++ b/spec/lib/activitypub/activity/flag_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Flag do
diff --git a/spec/lib/activitypub/activity/follow_spec.rb b/spec/lib/activitypub/activity/follow_spec.rb
index fd4ede82b7b..eb8b17d6151 100644
--- a/spec/lib/activitypub/activity/follow_spec.rb
+++ b/spec/lib/activitypub/activity/follow_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Follow do
diff --git a/spec/lib/activitypub/activity/like_spec.rb b/spec/lib/activitypub/activity/like_spec.rb
index b69615a9d1b..640d61ab369 100644
--- a/spec/lib/activitypub/activity/like_spec.rb
+++ b/spec/lib/activitypub/activity/like_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Like do
diff --git a/spec/lib/activitypub/activity/move_spec.rb b/spec/lib/activitypub/activity/move_spec.rb
index c468fdeffc8..8bd23aa7bf0 100644
--- a/spec/lib/activitypub/activity/move_spec.rb
+++ b/spec/lib/activitypub/activity/move_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Move do
diff --git a/spec/lib/activitypub/activity/reject_spec.rb b/spec/lib/activitypub/activity/reject_spec.rb
index 7f04db4e61f..5e0f09bfe8d 100644
--- a/spec/lib/activitypub/activity/reject_spec.rb
+++ b/spec/lib/activitypub/activity/reject_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Reject do
diff --git a/spec/lib/activitypub/activity/remove_spec.rb b/spec/lib/activitypub/activity/remove_spec.rb
index 4209dfde202..fc12aec8c1d 100644
--- a/spec/lib/activitypub/activity/remove_spec.rb
+++ b/spec/lib/activitypub/activity/remove_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Remove do
diff --git a/spec/lib/activitypub/activity/undo_spec.rb b/spec/lib/activitypub/activity/undo_spec.rb
index 0bd1f17d351..b4cbc71963d 100644
--- a/spec/lib/activitypub/activity/undo_spec.rb
+++ b/spec/lib/activitypub/activity/undo_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Undo do
diff --git a/spec/lib/activitypub/activity/update_spec.rb b/spec/lib/activitypub/activity/update_spec.rb
index d2a1edd7a0a..f77279c0284 100644
--- a/spec/lib/activitypub/activity/update_spec.rb
+++ b/spec/lib/activitypub/activity/update_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Update do
diff --git a/spec/lib/activitypub/adapter_spec.rb b/spec/lib/activitypub/adapter_spec.rb
index e4c403abb9d..b981ea9c681 100644
--- a/spec/lib/activitypub/adapter_spec.rb
+++ b/spec/lib/activitypub/adapter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Adapter do
diff --git a/spec/lib/activitypub/dereferencer_spec.rb b/spec/lib/activitypub/dereferencer_spec.rb
index 800473a7ca6..11078de866e 100644
--- a/spec/lib/activitypub/dereferencer_spec.rb
+++ b/spec/lib/activitypub/dereferencer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Dereferencer do
diff --git a/spec/lib/activitypub/linked_data_signature_spec.rb b/spec/lib/activitypub/linked_data_signature_spec.rb
index ecb1e16db78..619d6df1247 100644
--- a/spec/lib/activitypub/linked_data_signature_spec.rb
+++ b/spec/lib/activitypub/linked_data_signature_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::LinkedDataSignature do
diff --git a/spec/lib/activitypub/tag_manager_spec.rb b/spec/lib/activitypub/tag_manager_spec.rb
index 606a1de2e56..596e91e9548 100644
--- a/spec/lib/activitypub/tag_manager_spec.rb
+++ b/spec/lib/activitypub/tag_manager_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::TagManager do
diff --git a/spec/lib/emoji_formatter_spec.rb b/spec/lib/emoji_formatter_spec.rb
index c6fe8cf377e..b73d5be4b99 100644
--- a/spec/lib/emoji_formatter_spec.rb
+++ b/spec/lib/emoji_formatter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe EmojiFormatter do
diff --git a/spec/lib/entity_cache_spec.rb b/spec/lib/entity_cache_spec.rb
index bd622e626f1..c750cddf3c4 100644
--- a/spec/lib/entity_cache_spec.rb
+++ b/spec/lib/entity_cache_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe EntityCache do
diff --git a/spec/lib/feed_manager_spec.rb b/spec/lib/feed_manager_spec.rb
index d54050f8f76..418bdf0898f 100644
--- a/spec/lib/feed_manager_spec.rb
+++ b/spec/lib/feed_manager_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FeedManager do
diff --git a/spec/lib/html_aware_formatter_spec.rb b/spec/lib/html_aware_formatter_spec.rb
index 3d3149b8ff5..315035957b5 100644
--- a/spec/lib/html_aware_formatter_spec.rb
+++ b/spec/lib/html_aware_formatter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe HtmlAwareFormatter do
diff --git a/spec/lib/link_details_extractor_spec.rb b/spec/lib/link_details_extractor_spec.rb
index fcc2654744b..a46dd743a92 100644
--- a/spec/lib/link_details_extractor_spec.rb
+++ b/spec/lib/link_details_extractor_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe LinkDetailsExtractor do
diff --git a/spec/lib/plain_text_formatter_spec.rb b/spec/lib/plain_text_formatter_spec.rb
index 0e5f39031d5..4a0519aaf6e 100644
--- a/spec/lib/plain_text_formatter_spec.rb
+++ b/spec/lib/plain_text_formatter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PlainTextFormatter do
diff --git a/spec/lib/suspicious_sign_in_detector_spec.rb b/spec/lib/suspicious_sign_in_detector_spec.rb
index 05aadfd8fae..c61b1ef1e66 100644
--- a/spec/lib/suspicious_sign_in_detector_spec.rb
+++ b/spec/lib/suspicious_sign_in_detector_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe SuspiciousSignInDetector do
diff --git a/spec/lib/tag_manager_spec.rb b/spec/lib/tag_manager_spec.rb
index d2bb24c0f13..8de29054146 100644
--- a/spec/lib/tag_manager_spec.rb
+++ b/spec/lib/tag_manager_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe TagManager do
diff --git a/spec/lib/text_formatter_spec.rb b/spec/lib/text_formatter_spec.rb
index 04ae4e02c05..3417b450c60 100644
--- a/spec/lib/text_formatter_spec.rb
+++ b/spec/lib/text_formatter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe TextFormatter do
diff --git a/spec/lib/vacuum/access_tokens_vacuum_spec.rb b/spec/lib/vacuum/access_tokens_vacuum_spec.rb
index 0244c344926..6b72340655e 100644
--- a/spec/lib/vacuum/access_tokens_vacuum_spec.rb
+++ b/spec/lib/vacuum/access_tokens_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::AccessTokensVacuum do
diff --git a/spec/lib/vacuum/backups_vacuum_spec.rb b/spec/lib/vacuum/backups_vacuum_spec.rb
index c505a3e1ae6..867dbe4020c 100644
--- a/spec/lib/vacuum/backups_vacuum_spec.rb
+++ b/spec/lib/vacuum/backups_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::BackupsVacuum do
diff --git a/spec/lib/vacuum/feeds_vacuum_spec.rb b/spec/lib/vacuum/feeds_vacuum_spec.rb
index 0aec26740f3..ede1e3c3609 100644
--- a/spec/lib/vacuum/feeds_vacuum_spec.rb
+++ b/spec/lib/vacuum/feeds_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::FeedsVacuum do
diff --git a/spec/lib/vacuum/media_attachments_vacuum_spec.rb b/spec/lib/vacuum/media_attachments_vacuum_spec.rb
index afcb6f878a9..3c17ecb0003 100644
--- a/spec/lib/vacuum/media_attachments_vacuum_spec.rb
+++ b/spec/lib/vacuum/media_attachments_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::MediaAttachmentsVacuum do
diff --git a/spec/lib/vacuum/preview_cards_vacuum_spec.rb b/spec/lib/vacuum/preview_cards_vacuum_spec.rb
index 524f4c92748..c1b7f7e9c50 100644
--- a/spec/lib/vacuum/preview_cards_vacuum_spec.rb
+++ b/spec/lib/vacuum/preview_cards_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::PreviewCardsVacuum do
diff --git a/spec/lib/vacuum/statuses_vacuum_spec.rb b/spec/lib/vacuum/statuses_vacuum_spec.rb
index 9583376b72d..d5c01395064 100644
--- a/spec/lib/vacuum/statuses_vacuum_spec.rb
+++ b/spec/lib/vacuum/statuses_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::StatusesVacuum do
diff --git a/spec/lib/vacuum/system_keys_vacuum_spec.rb b/spec/lib/vacuum/system_keys_vacuum_spec.rb
index 565892f0252..84cae30411e 100644
--- a/spec/lib/vacuum/system_keys_vacuum_spec.rb
+++ b/spec/lib/vacuum/system_keys_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::SystemKeysVacuum do
diff --git a/spec/lib/webfinger_resource_spec.rb b/spec/lib/webfinger_resource_spec.rb
index ee007da70a5..8ec6dd205ec 100644
--- a/spec/lib/webfinger_resource_spec.rb
+++ b/spec/lib/webfinger_resource_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe WebfingerResource do
diff --git a/spec/mailers/notification_mailer_spec.rb b/spec/mailers/notification_mailer_spec.rb
index 6746871a3de..a6db08d8506 100644
--- a/spec/mailers/notification_mailer_spec.rb
+++ b/spec/mailers/notification_mailer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe NotificationMailer, type: :mailer do
diff --git a/spec/mailers/previews/admin_mailer_preview.rb b/spec/mailers/previews/admin_mailer_preview.rb
index 0ec9e9882ce..9572768cd7d 100644
--- a/spec/mailers/previews/admin_mailer_preview.rb
+++ b/spec/mailers/previews/admin_mailer_preview.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Preview all emails at http://localhost:3000/rails/mailers/admin_mailer
 
 class AdminMailerPreview < ActionMailer::Preview
diff --git a/spec/mailers/previews/notification_mailer_preview.rb b/spec/mailers/previews/notification_mailer_preview.rb
index e31445c365c..bc41662a16f 100644
--- a/spec/mailers/previews/notification_mailer_preview.rb
+++ b/spec/mailers/previews/notification_mailer_preview.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Preview all emails at http://localhost:3000/rails/mailers/notification_mailer
 
 class NotificationMailerPreview < ActionMailer::Preview
diff --git a/spec/mailers/previews/user_mailer_preview.rb b/spec/mailers/previews/user_mailer_preview.rb
index 95712e6cf42..098c9cd901f 100644
--- a/spec/mailers/previews/user_mailer_preview.rb
+++ b/spec/mailers/previews/user_mailer_preview.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Preview all emails at http://localhost:3000/rails/mailers/user_mailer
 
 class UserMailerPreview < ActionMailer::Preview
diff --git a/spec/models/account/field_spec.rb b/spec/models/account/field_spec.rb
index 36e1a8595af..6745fbb2610 100644
--- a/spec/models/account/field_spec.rb
+++ b/spec/models/account/field_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Account::Field, type: :model do
diff --git a/spec/models/account_alias_spec.rb b/spec/models/account_alias_spec.rb
index c48b804b27c..08c3eaff436 100644
--- a/spec/models/account_alias_spec.rb
+++ b/spec/models/account_alias_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountAlias, type: :model do
diff --git a/spec/models/account_conversation_spec.rb b/spec/models/account_conversation_spec.rb
index 70a76281ef8..c4e8918ad2f 100644
--- a/spec/models/account_conversation_spec.rb
+++ b/spec/models/account_conversation_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountConversation, type: :model do
diff --git a/spec/models/account_deletion_request_spec.rb b/spec/models/account_deletion_request_spec.rb
index afaecbe2289..db332f14cbc 100644
--- a/spec/models/account_deletion_request_spec.rb
+++ b/spec/models/account_deletion_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountDeletionRequest, type: :model do
diff --git a/spec/models/account_domain_block_spec.rb b/spec/models/account_domain_block_spec.rb
index a170abcd272..bc46f44ba79 100644
--- a/spec/models/account_domain_block_spec.rb
+++ b/spec/models/account_domain_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountDomainBlock, type: :model do
diff --git a/spec/models/account_filter_spec.rb b/spec/models/account_filter_spec.rb
index c2bd8c22024..853d20a0cb6 100644
--- a/spec/models/account_filter_spec.rb
+++ b/spec/models/account_filter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountFilter do
diff --git a/spec/models/account_migration_spec.rb b/spec/models/account_migration_spec.rb
index 5f66fe8da36..a91ba5dc569 100644
--- a/spec/models/account_migration_spec.rb
+++ b/spec/models/account_migration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountMigration, type: :model do
diff --git a/spec/models/account_moderation_note_spec.rb b/spec/models/account_moderation_note_spec.rb
index 69bd5500a5b..b7f5701e6a5 100644
--- a/spec/models/account_moderation_note_spec.rb
+++ b/spec/models/account_moderation_note_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountModerationNote, type: :model do
diff --git a/spec/models/account_spec.rb b/spec/models/account_spec.rb
index f3ad198777b..1e5a80963fe 100644
--- a/spec/models/account_spec.rb
+++ b/spec/models/account_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Account, type: :model do
diff --git a/spec/models/account_statuses_cleanup_policy_spec.rb b/spec/models/account_statuses_cleanup_policy_spec.rb
index d170050fc5d..1b7857547b0 100644
--- a/spec/models/account_statuses_cleanup_policy_spec.rb
+++ b/spec/models/account_statuses_cleanup_policy_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountStatusesCleanupPolicy, type: :model do
diff --git a/spec/models/admin/account_action_spec.rb b/spec/models/admin/account_action_spec.rb
index 7248356e532..9f41b7c8e58 100644
--- a/spec/models/admin/account_action_spec.rb
+++ b/spec/models/admin/account_action_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::AccountAction, type: :model do
diff --git a/spec/models/announcement_mute_spec.rb b/spec/models/announcement_mute_spec.rb
index 9d0e4c9037f..f4a7a5dc974 100644
--- a/spec/models/announcement_mute_spec.rb
+++ b/spec/models/announcement_mute_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AnnouncementMute, type: :model do
diff --git a/spec/models/announcement_reaction_spec.rb b/spec/models/announcement_reaction_spec.rb
index f6e15158406..38095b01544 100644
--- a/spec/models/announcement_reaction_spec.rb
+++ b/spec/models/announcement_reaction_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AnnouncementReaction, type: :model do
diff --git a/spec/models/announcement_spec.rb b/spec/models/announcement_spec.rb
index 7f7b647a9e5..024fa288800 100644
--- a/spec/models/announcement_spec.rb
+++ b/spec/models/announcement_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Announcement, type: :model do
diff --git a/spec/models/appeal_spec.rb b/spec/models/appeal_spec.rb
index 14062dc4f4f..6aa013aba94 100644
--- a/spec/models/appeal_spec.rb
+++ b/spec/models/appeal_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Appeal, type: :model do
diff --git a/spec/models/backup_spec.rb b/spec/models/backup_spec.rb
index 45230986d7a..239e7aef7b6 100644
--- a/spec/models/backup_spec.rb
+++ b/spec/models/backup_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Backup, type: :model do
diff --git a/spec/models/block_spec.rb b/spec/models/block_spec.rb
index 1fd60c29d21..64c39fce60a 100644
--- a/spec/models/block_spec.rb
+++ b/spec/models/block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Block, type: :model do
diff --git a/spec/models/canonical_email_block_spec.rb b/spec/models/canonical_email_block_spec.rb
index 8e0050d65ac..2b3fd6d6a77 100644
--- a/spec/models/canonical_email_block_spec.rb
+++ b/spec/models/canonical_email_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CanonicalEmailBlock, type: :model do
diff --git a/spec/models/concerns/account_counters_spec.rb b/spec/models/concerns/account_counters_spec.rb
index 4350496e79e..fb02d79f118 100644
--- a/spec/models/concerns/account_counters_spec.rb
+++ b/spec/models/concerns/account_counters_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountCounters do
diff --git a/spec/models/concerns/account_interactions_spec.rb b/spec/models/concerns/account_interactions_spec.rb
index 50ff0b149a2..7396af6dfaa 100644
--- a/spec/models/concerns/account_interactions_spec.rb
+++ b/spec/models/concerns/account_interactions_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountInteractions do
diff --git a/spec/models/conversation_mute_spec.rb b/spec/models/conversation_mute_spec.rb
index 3fc2915d4f3..6439b0ecdfa 100644
--- a/spec/models/conversation_mute_spec.rb
+++ b/spec/models/conversation_mute_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ConversationMute, type: :model do
diff --git a/spec/models/conversation_spec.rb b/spec/models/conversation_spec.rb
index 8b5e4fdaf7f..9d58ad0ac6c 100644
--- a/spec/models/conversation_spec.rb
+++ b/spec/models/conversation_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Conversation, type: :model do
diff --git a/spec/models/custom_emoji_category_spec.rb b/spec/models/custom_emoji_category_spec.rb
index 160033f4d48..74881b26c24 100644
--- a/spec/models/custom_emoji_category_spec.rb
+++ b/spec/models/custom_emoji_category_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CustomEmojiCategory, type: :model do
diff --git a/spec/models/custom_emoji_spec.rb b/spec/models/custom_emoji_spec.rb
index f6fcd468bc5..ef5f39aca4c 100644
--- a/spec/models/custom_emoji_spec.rb
+++ b/spec/models/custom_emoji_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CustomEmoji, type: :model do
diff --git a/spec/models/custom_filter_keyword_spec.rb b/spec/models/custom_filter_keyword_spec.rb
index e15b9dad507..bbc4b9c2eed 100644
--- a/spec/models/custom_filter_keyword_spec.rb
+++ b/spec/models/custom_filter_keyword_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CustomFilterKeyword, type: :model do
diff --git a/spec/models/custom_filter_spec.rb b/spec/models/custom_filter_spec.rb
index 3943dd5f1a2..d2bc090ab06 100644
--- a/spec/models/custom_filter_spec.rb
+++ b/spec/models/custom_filter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CustomFilter, type: :model do
diff --git a/spec/models/device_spec.rb b/spec/models/device_spec.rb
index 307552e9130..cb214b9cbc8 100644
--- a/spec/models/device_spec.rb
+++ b/spec/models/device_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Device, type: :model do
diff --git a/spec/models/domain_allow_spec.rb b/spec/models/domain_allow_spec.rb
index e65435127d5..18cf5fe4c72 100644
--- a/spec/models/domain_allow_spec.rb
+++ b/spec/models/domain_allow_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DomainAllow, type: :model do
diff --git a/spec/models/domain_block_spec.rb b/spec/models/domain_block_spec.rb
index d1d57c16779..6a5925b8966 100644
--- a/spec/models/domain_block_spec.rb
+++ b/spec/models/domain_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DomainBlock, type: :model do
diff --git a/spec/models/email_domain_block_spec.rb b/spec/models/email_domain_block_spec.rb
index e23116888c7..01a7a0f0ed7 100644
--- a/spec/models/email_domain_block_spec.rb
+++ b/spec/models/email_domain_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe EmailDomainBlock, type: :model do
diff --git a/spec/models/encrypted_message_spec.rb b/spec/models/encrypted_message_spec.rb
index 64f9c6912ae..bf7a406ffdf 100644
--- a/spec/models/encrypted_message_spec.rb
+++ b/spec/models/encrypted_message_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe EncryptedMessage, type: :model do
diff --git a/spec/models/export_spec.rb b/spec/models/export_spec.rb
index 5202ae9e175..3fb5fc3a5b1 100644
--- a/spec/models/export_spec.rb
+++ b/spec/models/export_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Export do
diff --git a/spec/models/favourite_spec.rb b/spec/models/favourite_spec.rb
index f755590ee50..f7e2812a6c5 100644
--- a/spec/models/favourite_spec.rb
+++ b/spec/models/favourite_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Favourite, type: :model do
diff --git a/spec/models/featured_tag_spec.rb b/spec/models/featured_tag_spec.rb
index 07533e0b90c..4bf087c8288 100644
--- a/spec/models/featured_tag_spec.rb
+++ b/spec/models/featured_tag_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FeaturedTag, type: :model do
diff --git a/spec/models/follow_recommendation_suppression_spec.rb b/spec/models/follow_recommendation_suppression_spec.rb
index 39107a2b049..4c1d8281b20 100644
--- a/spec/models/follow_recommendation_suppression_spec.rb
+++ b/spec/models/follow_recommendation_suppression_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FollowRecommendationSuppression, type: :model do
diff --git a/spec/models/follow_request_spec.rb b/spec/models/follow_request_spec.rb
index 901eabc9df4..569c160aeb1 100644
--- a/spec/models/follow_request_spec.rb
+++ b/spec/models/follow_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FollowRequest, type: :model do
diff --git a/spec/models/follow_spec.rb b/spec/models/follow_spec.rb
index e723a1ef211..f49d5853295 100644
--- a/spec/models/follow_spec.rb
+++ b/spec/models/follow_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Follow, type: :model do
diff --git a/spec/models/home_feed_spec.rb b/spec/models/home_feed_spec.rb
index 196bef1e495..d7034f3f0b5 100644
--- a/spec/models/home_feed_spec.rb
+++ b/spec/models/home_feed_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe HomeFeed, type: :model do
diff --git a/spec/models/identity_spec.rb b/spec/models/identity_spec.rb
index 689c9b797f4..6eab5a2e188 100644
--- a/spec/models/identity_spec.rb
+++ b/spec/models/identity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Identity, type: :model do
diff --git a/spec/models/import_spec.rb b/spec/models/import_spec.rb
index 4280b3237a0..81c75a96415 100644
--- a/spec/models/import_spec.rb
+++ b/spec/models/import_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Import, type: :model do
diff --git a/spec/models/invite_spec.rb b/spec/models/invite_spec.rb
index b0596c56123..dac4b6431b4 100644
--- a/spec/models/invite_spec.rb
+++ b/spec/models/invite_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Invite, type: :model do
diff --git a/spec/models/ip_block_spec.rb b/spec/models/ip_block_spec.rb
index 6603c6417aa..4c4028576a9 100644
--- a/spec/models/ip_block_spec.rb
+++ b/spec/models/ip_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe IpBlock, type: :model do
diff --git a/spec/models/list_account_spec.rb b/spec/models/list_account_spec.rb
index a0cf02efe25..8312defaca4 100644
--- a/spec/models/list_account_spec.rb
+++ b/spec/models/list_account_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ListAccount, type: :model do
diff --git a/spec/models/list_spec.rb b/spec/models/list_spec.rb
index b780bb1de07..8167f8a7ecb 100644
--- a/spec/models/list_spec.rb
+++ b/spec/models/list_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe List, type: :model do
diff --git a/spec/models/login_activity_spec.rb b/spec/models/login_activity_spec.rb
index 12d8c436383..1c3111a20d6 100644
--- a/spec/models/login_activity_spec.rb
+++ b/spec/models/login_activity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe LoginActivity, type: :model do
diff --git a/spec/models/marker_spec.rb b/spec/models/marker_spec.rb
index d716aa75c20..e8561c4c639 100644
--- a/spec/models/marker_spec.rb
+++ b/spec/models/marker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Marker, type: :model do
diff --git a/spec/models/media_attachment_spec.rb b/spec/models/media_attachment_spec.rb
index 097c76f311f..63edfc15246 100644
--- a/spec/models/media_attachment_spec.rb
+++ b/spec/models/media_attachment_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe MediaAttachment, type: :model do
diff --git a/spec/models/mention_spec.rb b/spec/models/mention_spec.rb
index dbcf6a32c14..3de2b4a0720 100644
--- a/spec/models/mention_spec.rb
+++ b/spec/models/mention_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Mention, type: :model do
diff --git a/spec/models/mute_spec.rb b/spec/models/mute_spec.rb
index 38a87bdf4a7..48b5a37ab9d 100644
--- a/spec/models/mute_spec.rb
+++ b/spec/models/mute_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Mute, type: :model do
diff --git a/spec/models/notification_spec.rb b/spec/models/notification_spec.rb
index a8fb7763909..64527e3d77a 100644
--- a/spec/models/notification_spec.rb
+++ b/spec/models/notification_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Notification, type: :model do
diff --git a/spec/models/one_time_key_spec.rb b/spec/models/one_time_key_spec.rb
index 4b231c600c9..2a5fe8a9d9f 100644
--- a/spec/models/one_time_key_spec.rb
+++ b/spec/models/one_time_key_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe OneTimeKey, type: :model do
diff --git a/spec/models/poll_spec.rb b/spec/models/poll_spec.rb
index 666f8ca6832..474399bf68a 100644
--- a/spec/models/poll_spec.rb
+++ b/spec/models/poll_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Poll, type: :model do
diff --git a/spec/models/preview_card_spec.rb b/spec/models/preview_card_spec.rb
index 45233d1d4f9..1858644c919 100644
--- a/spec/models/preview_card_spec.rb
+++ b/spec/models/preview_card_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PreviewCard, type: :model do
diff --git a/spec/models/preview_card_trend_spec.rb b/spec/models/preview_card_trend_spec.rb
index c7ab6ed146e..97ad05e7542 100644
--- a/spec/models/preview_card_trend_spec.rb
+++ b/spec/models/preview_card_trend_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PreviewCardTrend, type: :model do
diff --git a/spec/models/public_feed_spec.rb b/spec/models/public_feed_spec.rb
index 59c81dd9530..5653aee1848 100644
--- a/spec/models/public_feed_spec.rb
+++ b/spec/models/public_feed_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PublicFeed, type: :model do
diff --git a/spec/models/relay_spec.rb b/spec/models/relay_spec.rb
index 12dc0f20f6e..86c1762c157 100644
--- a/spec/models/relay_spec.rb
+++ b/spec/models/relay_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Relay, type: :model do
diff --git a/spec/models/report_filter_spec.rb b/spec/models/report_filter_spec.rb
index 099c0731d34..8269c457979 100644
--- a/spec/models/report_filter_spec.rb
+++ b/spec/models/report_filter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ReportFilter do
diff --git a/spec/models/report_spec.rb b/spec/models/report_spec.rb
index 31785129741..d5d40a34f95 100644
--- a/spec/models/report_spec.rb
+++ b/spec/models/report_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Report do
diff --git a/spec/models/rule_spec.rb b/spec/models/rule_spec.rb
index 8666bda7130..d5ec13ddf87 100644
--- a/spec/models/rule_spec.rb
+++ b/spec/models/rule_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Rule, type: :model do
diff --git a/spec/models/scheduled_status_spec.rb b/spec/models/scheduled_status_spec.rb
index f8c9d8b81f6..294fa9f36ce 100644
--- a/spec/models/scheduled_status_spec.rb
+++ b/spec/models/scheduled_status_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ScheduledStatus, type: :model do
diff --git a/spec/models/status_edit_spec.rb b/spec/models/status_edit_spec.rb
index 2ecafef7349..0b9fa70873c 100644
--- a/spec/models/status_edit_spec.rb
+++ b/spec/models/status_edit_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusEdit, type: :model do
diff --git a/spec/models/status_pin_spec.rb b/spec/models/status_pin_spec.rb
index c18faca782e..c4ebf96da9f 100644
--- a/spec/models/status_pin_spec.rb
+++ b/spec/models/status_pin_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusPin, type: :model do
diff --git a/spec/models/status_spec.rb b/spec/models/status_spec.rb
index 442f14ddfa0..1e58c6d0d1f 100644
--- a/spec/models/status_spec.rb
+++ b/spec/models/status_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Status, type: :model do
diff --git a/spec/models/status_stat_spec.rb b/spec/models/status_stat_spec.rb
index af1a6f288be..749ca097d6c 100644
--- a/spec/models/status_stat_spec.rb
+++ b/spec/models/status_stat_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusStat, type: :model do
diff --git a/spec/models/status_trend_spec.rb b/spec/models/status_trend_spec.rb
index 6b82204a609..9678b838a7e 100644
--- a/spec/models/status_trend_spec.rb
+++ b/spec/models/status_trend_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusTrend, type: :model do
diff --git a/spec/models/system_key_spec.rb b/spec/models/system_key_spec.rb
index 86f07f964d4..a4e8b77844b 100644
--- a/spec/models/system_key_spec.rb
+++ b/spec/models/system_key_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe SystemKey, type: :model do
diff --git a/spec/models/tag_feed_spec.rb b/spec/models/tag_feed_spec.rb
index 819fe376577..a498bcf46f5 100644
--- a/spec/models/tag_feed_spec.rb
+++ b/spec/models/tag_feed_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe TagFeed, type: :service do
diff --git a/spec/models/tag_follow_spec.rb b/spec/models/tag_follow_spec.rb
index 50c04d2e460..88409bb28ae 100644
--- a/spec/models/tag_follow_spec.rb
+++ b/spec/models/tag_follow_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe TagFollow, type: :model do
diff --git a/spec/models/trends/statuses_spec.rb b/spec/models/trends/statuses_spec.rb
index 98a8c7264da..29a20a5955a 100644
--- a/spec/models/trends/statuses_spec.rb
+++ b/spec/models/trends/statuses_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Trends::Statuses do
diff --git a/spec/models/trends/tags_spec.rb b/spec/models/trends/tags_spec.rb
index f48c735035a..a9473e15c4b 100644
--- a/spec/models/trends/tags_spec.rb
+++ b/spec/models/trends/tags_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Trends::Tags do
diff --git a/spec/models/unavailable_domain_spec.rb b/spec/models/unavailable_domain_spec.rb
index 3f2621034c5..5469ff69399 100644
--- a/spec/models/unavailable_domain_spec.rb
+++ b/spec/models/unavailable_domain_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnavailableDomain, type: :model do
diff --git a/spec/models/user_invite_request_spec.rb b/spec/models/user_invite_request_spec.rb
index 1be38d8a477..95e1284399a 100644
--- a/spec/models/user_invite_request_spec.rb
+++ b/spec/models/user_invite_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UserInviteRequest, type: :model do
diff --git a/spec/models/user_role_spec.rb b/spec/models/user_role_spec.rb
index 52a8622f998..97456c1060e 100644
--- a/spec/models/user_role_spec.rb
+++ b/spec/models/user_role_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UserRole, type: :model do
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 9dfd6678ac7..3e7b59f170b 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require 'devise_two_factor/spec_helpers'
 
diff --git a/spec/models/web/push_subscription_spec.rb b/spec/models/web/push_subscription_spec.rb
index a5c34f4edcc..e925e4c4cd7 100644
--- a/spec/models/web/push_subscription_spec.rb
+++ b/spec/models/web/push_subscription_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Web::PushSubscription, type: :model do
diff --git a/spec/models/web/setting_spec.rb b/spec/models/web/setting_spec.rb
index 6657d4030f4..b7ff3c8684f 100644
--- a/spec/models/web/setting_spec.rb
+++ b/spec/models/web/setting_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Web::Setting, type: :model do
diff --git a/spec/models/webauthn_credentials_spec.rb b/spec/models/webauthn_credentials_spec.rb
index e070a6b60e4..1a2a2f90996 100644
--- a/spec/models/webauthn_credentials_spec.rb
+++ b/spec/models/webauthn_credentials_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe WebauthnCredential, type: :model do
diff --git a/spec/models/webhook_spec.rb b/spec/models/webhook_spec.rb
index 60c3d9524fc..fcf3dd14fff 100644
--- a/spec/models/webhook_spec.rb
+++ b/spec/models/webhook_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Webhook, type: :model do
diff --git a/spec/presenters/instance_presenter_spec.rb b/spec/presenters/instance_presenter_spec.rb
index a451b5cba40..29170a79ae9 100644
--- a/spec/presenters/instance_presenter_spec.rb
+++ b/spec/presenters/instance_presenter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe InstancePresenter do
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 9a14fc3b1d9..faae02df034 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ENV['RAILS_ENV'] ||= 'test'
 require File.expand_path('../config/environment', __dir__)
 
diff --git a/spec/requests/catch_all_route_request_spec.rb b/spec/requests/catch_all_route_request_spec.rb
index dcfc1bf4bcf..e600bedfe07 100644
--- a/spec/requests/catch_all_route_request_spec.rb
+++ b/spec/requests/catch_all_route_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'The catch all route' do
diff --git a/spec/requests/host_meta_request_spec.rb b/spec/requests/host_meta_request_spec.rb
index 60153ba8c92..ec26ecba7d9 100644
--- a/spec/requests/host_meta_request_spec.rb
+++ b/spec/requests/host_meta_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'The host_meta route' do
diff --git a/spec/requests/webfinger_request_spec.rb b/spec/requests/webfinger_request_spec.rb
index 209fda72aad..68a1478bed6 100644
--- a/spec/requests/webfinger_request_spec.rb
+++ b/spec/requests/webfinger_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'The webfinger route' do
diff --git a/spec/routing/accounts_routing_spec.rb b/spec/routing/accounts_routing_spec.rb
index 3f0e9b3e95d..8b2c124fd21 100644
--- a/spec/routing/accounts_routing_spec.rb
+++ b/spec/routing/accounts_routing_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'Routes under accounts/' do
diff --git a/spec/routing/well_known_routes_spec.rb b/spec/routing/well_known_routes_spec.rb
index 7474633515f..8cf08c13c12 100644
--- a/spec/routing/well_known_routes_spec.rb
+++ b/spec/routing/well_known_routes_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'Well Known routes' do
diff --git a/spec/services/account_search_service_spec.rb b/spec/services/account_search_service_spec.rb
index 45e19d1ef70..bb819bb6c0e 100644
--- a/spec/services/account_search_service_spec.rb
+++ b/spec/services/account_search_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountSearchService, type: :service do
diff --git a/spec/services/account_statuses_cleanup_service_spec.rb b/spec/services/account_statuses_cleanup_service_spec.rb
index a30e14ab6f5..e83063f734b 100644
--- a/spec/services/account_statuses_cleanup_service_spec.rb
+++ b/spec/services/account_statuses_cleanup_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountStatusesCleanupService, type: :service do
diff --git a/spec/services/activitypub/fetch_featured_collection_service_spec.rb b/spec/services/activitypub/fetch_featured_collection_service_spec.rb
index d9266ffc2e5..59d33259997 100644
--- a/spec/services/activitypub/fetch_featured_collection_service_spec.rb
+++ b/spec/services/activitypub/fetch_featured_collection_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchFeaturedCollectionService, type: :service do
diff --git a/spec/services/activitypub/fetch_featured_tags_collection_service_spec.rb b/spec/services/activitypub/fetch_featured_tags_collection_service_spec.rb
index 4f828bacc60..071e4d92d59 100644
--- a/spec/services/activitypub/fetch_featured_tags_collection_service_spec.rb
+++ b/spec/services/activitypub/fetch_featured_tags_collection_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchFeaturedTagsCollectionService, type: :service do
diff --git a/spec/services/activitypub/fetch_remote_account_service_spec.rb b/spec/services/activitypub/fetch_remote_account_service_spec.rb
index ec6f1f41d8f..868bc2a5820 100644
--- a/spec/services/activitypub/fetch_remote_account_service_spec.rb
+++ b/spec/services/activitypub/fetch_remote_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRemoteAccountService, type: :service do
diff --git a/spec/services/activitypub/fetch_remote_actor_service_spec.rb b/spec/services/activitypub/fetch_remote_actor_service_spec.rb
index 20117c66d04..a72c6941e93 100644
--- a/spec/services/activitypub/fetch_remote_actor_service_spec.rb
+++ b/spec/services/activitypub/fetch_remote_actor_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRemoteActorService, type: :service do
diff --git a/spec/services/activitypub/fetch_remote_key_service_spec.rb b/spec/services/activitypub/fetch_remote_key_service_spec.rb
index 3186c4270d7..0ec0c27362f 100644
--- a/spec/services/activitypub/fetch_remote_key_service_spec.rb
+++ b/spec/services/activitypub/fetch_remote_key_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRemoteKeyService, type: :service do
diff --git a/spec/services/activitypub/fetch_remote_status_service_spec.rb b/spec/services/activitypub/fetch_remote_status_service_spec.rb
index 6e47392b356..1c39db21fc4 100644
--- a/spec/services/activitypub/fetch_remote_status_service_spec.rb
+++ b/spec/services/activitypub/fetch_remote_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRemoteStatusService, type: :service do
diff --git a/spec/services/activitypub/fetch_replies_service_spec.rb b/spec/services/activitypub/fetch_replies_service_spec.rb
index 0231a5e9abc..bf8e2967643 100644
--- a/spec/services/activitypub/fetch_replies_service_spec.rb
+++ b/spec/services/activitypub/fetch_replies_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRepliesService, type: :service do
diff --git a/spec/services/activitypub/process_account_service_spec.rb b/spec/services/activitypub/process_account_service_spec.rb
index 78282e4537c..491b8ed5af4 100644
--- a/spec/services/activitypub/process_account_service_spec.rb
+++ b/spec/services/activitypub/process_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::ProcessAccountService, type: :service do
diff --git a/spec/services/activitypub/process_collection_service_spec.rb b/spec/services/activitypub/process_collection_service_spec.rb
index c7d0bb92af0..1433d0c5050 100644
--- a/spec/services/activitypub/process_collection_service_spec.rb
+++ b/spec/services/activitypub/process_collection_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
diff --git a/spec/services/activitypub/process_status_update_service_spec.rb b/spec/services/activitypub/process_status_update_service_spec.rb
index c8aa56def1e..e9f23b9cf21 100644
--- a/spec/services/activitypub/process_status_update_service_spec.rb
+++ b/spec/services/activitypub/process_status_update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 def poll_option_json(name, votes)
diff --git a/spec/services/activitypub/synchronize_followers_service_spec.rb b/spec/services/activitypub/synchronize_followers_service_spec.rb
index 0e829a3028f..c9a513e24b7 100644
--- a/spec/services/activitypub/synchronize_followers_service_spec.rb
+++ b/spec/services/activitypub/synchronize_followers_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::SynchronizeFollowersService, type: :service do
diff --git a/spec/services/after_block_domain_from_account_service_spec.rb b/spec/services/after_block_domain_from_account_service_spec.rb
index 9cca82bffa5..b75f923729b 100644
--- a/spec/services/after_block_domain_from_account_service_spec.rb
+++ b/spec/services/after_block_domain_from_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AfterBlockDomainFromAccountService, type: :service do
diff --git a/spec/services/after_block_service_spec.rb b/spec/services/after_block_service_spec.rb
index 337766d066a..d81bba1d8d9 100644
--- a/spec/services/after_block_service_spec.rb
+++ b/spec/services/after_block_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AfterBlockService, type: :service do
diff --git a/spec/services/app_sign_up_service_spec.rb b/spec/services/app_sign_up_service_spec.rb
index 10da07dcfb6..2532304964c 100644
--- a/spec/services/app_sign_up_service_spec.rb
+++ b/spec/services/app_sign_up_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AppSignUpService, type: :service do
diff --git a/spec/services/authorize_follow_service_spec.rb b/spec/services/authorize_follow_service_spec.rb
index 8f8e44ec761..63d9e2a0f4e 100644
--- a/spec/services/authorize_follow_service_spec.rb
+++ b/spec/services/authorize_follow_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AuthorizeFollowService, type: :service do
diff --git a/spec/services/batched_remove_status_service_spec.rb b/spec/services/batched_remove_status_service_spec.rb
index 920edeb13e5..9bedf37444f 100644
--- a/spec/services/batched_remove_status_service_spec.rb
+++ b/spec/services/batched_remove_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe BatchedRemoveStatusService, type: :service do
diff --git a/spec/services/block_domain_service_spec.rb b/spec/services/block_domain_service_spec.rb
index 56b3a5ad1c4..0ab97b8ce9e 100644
--- a/spec/services/block_domain_service_spec.rb
+++ b/spec/services/block_domain_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe BlockDomainService, type: :service do
diff --git a/spec/services/block_service_spec.rb b/spec/services/block_service_spec.rb
index 049644dbc04..75f07f5adf0 100644
--- a/spec/services/block_service_spec.rb
+++ b/spec/services/block_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe BlockService, type: :service do
diff --git a/spec/services/bootstrap_timeline_service_spec.rb b/spec/services/bootstrap_timeline_service_spec.rb
index 149f6e6dfcd..670ac652fb4 100644
--- a/spec/services/bootstrap_timeline_service_spec.rb
+++ b/spec/services/bootstrap_timeline_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe BootstrapTimelineService, type: :service do
diff --git a/spec/services/clear_domain_media_service_spec.rb b/spec/services/clear_domain_media_service_spec.rb
index 993ba789ea3..98750757966 100644
--- a/spec/services/clear_domain_media_service_spec.rb
+++ b/spec/services/clear_domain_media_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ClearDomainMediaService, type: :service do
diff --git a/spec/services/delete_account_service_spec.rb b/spec/services/delete_account_service_spec.rb
index e5bfdd679fd..61e5c3c9b6b 100644
--- a/spec/services/delete_account_service_spec.rb
+++ b/spec/services/delete_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DeleteAccountService, type: :service do
diff --git a/spec/services/fan_out_on_write_service_spec.rb b/spec/services/fan_out_on_write_service_spec.rb
index d09750dd237..3b554f9ea3b 100644
--- a/spec/services/fan_out_on_write_service_spec.rb
+++ b/spec/services/fan_out_on_write_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FanOutOnWriteService, type: :service do
diff --git a/spec/services/favourite_service_spec.rb b/spec/services/favourite_service_spec.rb
index 4f621200a23..613ae203edd 100644
--- a/spec/services/favourite_service_spec.rb
+++ b/spec/services/favourite_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FavouriteService, type: :service do
diff --git a/spec/services/fetch_link_card_service_spec.rb b/spec/services/fetch_link_card_service_spec.rb
index 458473c39e8..d79ab7a433f 100644
--- a/spec/services/fetch_link_card_service_spec.rb
+++ b/spec/services/fetch_link_card_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FetchLinkCardService, type: :service do
diff --git a/spec/services/fetch_remote_status_service_spec.rb b/spec/services/fetch_remote_status_service_spec.rb
index ace520b8fca..694a75dc294 100644
--- a/spec/services/fetch_remote_status_service_spec.rb
+++ b/spec/services/fetch_remote_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FetchRemoteStatusService, type: :service do
diff --git a/spec/services/fetch_resource_service_spec.rb b/spec/services/fetch_resource_service_spec.rb
index 226c98d70a4..da7e4235174 100644
--- a/spec/services/fetch_resource_service_spec.rb
+++ b/spec/services/fetch_resource_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FetchResourceService, type: :service do
diff --git a/spec/services/follow_service_spec.rb b/spec/services/follow_service_spec.rb
index f95d5944096..67a8b2c54ea 100644
--- a/spec/services/follow_service_spec.rb
+++ b/spec/services/follow_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FollowService, type: :service do
diff --git a/spec/services/import_service_spec.rb b/spec/services/import_service_spec.rb
index 4a517fb933a..f081f2d9dcf 100644
--- a/spec/services/import_service_spec.rb
+++ b/spec/services/import_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ImportService, type: :service do
diff --git a/spec/services/mute_service_spec.rb b/spec/services/mute_service_spec.rb
index 57d8c41dec3..50f74ff277f 100644
--- a/spec/services/mute_service_spec.rb
+++ b/spec/services/mute_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe MuteService, type: :service do
diff --git a/spec/services/notify_service_spec.rb b/spec/services/notify_service_spec.rb
index 294c31b0445..c58cebbfb8a 100644
--- a/spec/services/notify_service_spec.rb
+++ b/spec/services/notify_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe NotifyService, type: :service do
diff --git a/spec/services/post_status_service_spec.rb b/spec/services/post_status_service_spec.rb
index c34f2393a11..33153c3d07b 100644
--- a/spec/services/post_status_service_spec.rb
+++ b/spec/services/post_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PostStatusService, type: :service do
diff --git a/spec/services/process_mentions_service_spec.rb b/spec/services/process_mentions_service_spec.rb
index 79ccfa32298..adc45c60af4 100644
--- a/spec/services/process_mentions_service_spec.rb
+++ b/spec/services/process_mentions_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ProcessMentionsService, type: :service do
diff --git a/spec/services/purge_domain_service_spec.rb b/spec/services/purge_domain_service_spec.rb
index 7d8969ee89e..310affa5e30 100644
--- a/spec/services/purge_domain_service_spec.rb
+++ b/spec/services/purge_domain_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PurgeDomainService, type: :service do
diff --git a/spec/services/reblog_service_spec.rb b/spec/services/reblog_service_spec.rb
index e2ac0154ce4..c0047222957 100644
--- a/spec/services/reblog_service_spec.rb
+++ b/spec/services/reblog_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ReblogService, type: :service do
diff --git a/spec/services/reject_follow_service_spec.rb b/spec/services/reject_follow_service_spec.rb
index 97b7412b92e..be9363d8469 100644
--- a/spec/services/reject_follow_service_spec.rb
+++ b/spec/services/reject_follow_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe RejectFollowService, type: :service do
diff --git a/spec/services/remove_from_follwers_service_spec.rb b/spec/services/remove_from_follwers_service_spec.rb
index 782f859e290..21cea2e4f81 100644
--- a/spec/services/remove_from_follwers_service_spec.rb
+++ b/spec/services/remove_from_follwers_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe RemoveFromFollowersService, type: :service do
diff --git a/spec/services/remove_status_service_spec.rb b/spec/services/remove_status_service_spec.rb
index e253052f36c..a836109a0d3 100644
--- a/spec/services/remove_status_service_spec.rb
+++ b/spec/services/remove_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe RemoveStatusService, type: :service do
diff --git a/spec/services/report_service_spec.rb b/spec/services/report_service_spec.rb
index c3a3fddf8a2..9d81bd97140 100644
--- a/spec/services/report_service_spec.rb
+++ b/spec/services/report_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ReportService, type: :service do
diff --git a/spec/services/resolve_account_service_spec.rb b/spec/services/resolve_account_service_spec.rb
index 02869f8c8c2..3ce1f7f2baf 100644
--- a/spec/services/resolve_account_service_spec.rb
+++ b/spec/services/resolve_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ResolveAccountService, type: :service do
diff --git a/spec/services/suspend_account_service_spec.rb b/spec/services/suspend_account_service_spec.rb
index 5701090b336..4489bfed579 100644
--- a/spec/services/suspend_account_service_spec.rb
+++ b/spec/services/suspend_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe SuspendAccountService, type: :service do
diff --git a/spec/services/unallow_domain_service_spec.rb b/spec/services/unallow_domain_service_spec.rb
index ae7d00c7d38..48e310a9d1a 100644
--- a/spec/services/unallow_domain_service_spec.rb
+++ b/spec/services/unallow_domain_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnallowDomainService, type: :service do
diff --git a/spec/services/unblock_service_spec.rb b/spec/services/unblock_service_spec.rb
index bd24005f667..8098d7e6d0c 100644
--- a/spec/services/unblock_service_spec.rb
+++ b/spec/services/unblock_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnblockService, type: :service do
diff --git a/spec/services/unfollow_service_spec.rb b/spec/services/unfollow_service_spec.rb
index 55969bef937..a12f01fa5dd 100644
--- a/spec/services/unfollow_service_spec.rb
+++ b/spec/services/unfollow_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnfollowService, type: :service do
diff --git a/spec/services/unmute_service_spec.rb b/spec/services/unmute_service_spec.rb
index 8463eb283f3..2edb6cfc28d 100644
--- a/spec/services/unmute_service_spec.rb
+++ b/spec/services/unmute_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnmuteService, type: :service do
diff --git a/spec/services/unsuspend_account_service_spec.rb b/spec/services/unsuspend_account_service_spec.rb
index 6675074690d..5d70120935e 100644
--- a/spec/services/unsuspend_account_service_spec.rb
+++ b/spec/services/unsuspend_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnsuspendAccountService, type: :service do
diff --git a/spec/services/update_account_service_spec.rb b/spec/services/update_account_service_spec.rb
index c2dc791e4dc..a711a8ae730 100644
--- a/spec/services/update_account_service_spec.rb
+++ b/spec/services/update_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UpdateAccountService, type: :service do
diff --git a/spec/services/update_status_service_spec.rb b/spec/services/update_status_service_spec.rb
index a7364ca8b09..e52a0e52be2 100644
--- a/spec/services/update_status_service_spec.rb
+++ b/spec/services/update_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UpdateStatusService, type: :service do
diff --git a/spec/services/verify_link_service_spec.rb b/spec/services/verify_link_service_spec.rb
index 8f65f3a8462..ea9ccc3fc74 100644
--- a/spec/services/verify_link_service_spec.rb
+++ b/spec/services/verify_link_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe VerifyLinkService, type: :service do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 97b8d83c578..ddc872fc840 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 GC.disable
 
 if ENV['DISABLE_SIMPLECOV'] != 'true'
diff --git a/spec/support/matchers/json/match_json_schema.rb b/spec/support/matchers/json/match_json_schema.rb
index 5d9c9a618ee..3a275199efd 100644
--- a/spec/support/matchers/json/match_json_schema.rb
+++ b/spec/support/matchers/json/match_json_schema.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec::Matchers.define :match_json_schema do |schema|
   match do |input_json|
     schema_path = Rails.root.join('spec', 'support', 'schema', "#{schema}.json").to_s
diff --git a/spec/support/matchers/model/model_have_error_on_field.rb b/spec/support/matchers/model/model_have_error_on_field.rb
index d85db2fcadd..21632b5748f 100644
--- a/spec/support/matchers/model/model_have_error_on_field.rb
+++ b/spec/support/matchers/model/model_have_error_on_field.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec::Matchers.define :model_have_error_on_field do |expected|
   match do |record|
     record.valid? if record.errors.empty?
diff --git a/spec/workers/activitypub/distribute_poll_update_worker_spec.rb b/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
index d68a695b780..947acab3bcf 100644
--- a/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
+++ b/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::DistributePollUpdateWorker do
diff --git a/spec/workers/activitypub/distribution_worker_spec.rb b/spec/workers/activitypub/distribution_worker_spec.rb
index 7f63e197bf0..06d6ac73831 100644
--- a/spec/workers/activitypub/distribution_worker_spec.rb
+++ b/spec/workers/activitypub/distribution_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::DistributionWorker do
diff --git a/spec/workers/activitypub/move_distribution_worker_spec.rb b/spec/workers/activitypub/move_distribution_worker_spec.rb
index 482fa9db44f..4df6b2f161b 100644
--- a/spec/workers/activitypub/move_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/move_distribution_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::MoveDistributionWorker do
diff --git a/spec/workers/activitypub/processing_worker_spec.rb b/spec/workers/activitypub/processing_worker_spec.rb
index b42c0bdbc9f..6b57f16a923 100644
--- a/spec/workers/activitypub/processing_worker_spec.rb
+++ b/spec/workers/activitypub/processing_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::ProcessingWorker do
diff --git a/spec/workers/activitypub/status_update_distribution_worker_spec.rb b/spec/workers/activitypub/status_update_distribution_worker_spec.rb
index c014c6790eb..cf55a461d8b 100644
--- a/spec/workers/activitypub/status_update_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/status_update_distribution_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::StatusUpdateDistributionWorker do
diff --git a/spec/workers/activitypub/update_distribution_worker_spec.rb b/spec/workers/activitypub/update_distribution_worker_spec.rb
index 0e057fd0bce..7b1e6ff543e 100644
--- a/spec/workers/activitypub/update_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/update_distribution_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::UpdateDistributionWorker do
diff --git a/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb b/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
index a5dfed369fa..b977bc1fbce 100644
--- a/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
+++ b/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Scheduler::AccountsStatusesCleanupScheduler do
diff --git a/spec/workers/scheduler/user_cleanup_scheduler_spec.rb b/spec/workers/scheduler/user_cleanup_scheduler_spec.rb
index da99f10f97f..9909795008c 100644
--- a/spec/workers/scheduler/user_cleanup_scheduler_spec.rb
+++ b/spec/workers/scheduler/user_cleanup_scheduler_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Scheduler::UserCleanupScheduler do