clear out dead sidekiq job locks & add lock manager to sidekiq's dashboard to let admins get rid of stuck locks

config/initializers/sidekiq.rb

@@ -13,6 +13,11 @@ Sidekiq.configure_server do |config|
   config.server_middleware do |chain|
     chain.add SidekiqErrorHandler
   end
+
+  config.death_handlers << ->(job, _ex) do
+    digest = job['unique_digest']
+    SidekiqUniqueJobs::Digests.delete_by_digest(digest) if digest
+  end
 end
 
 Sidekiq.configure_client do |config|

config/routes.rb

@@ -2,6 +2,7 @@
 
 require 'sidekiq/web'
 require 'sidekiq-scheduler/web'
+require 'sidekiq_unique_jobs/web'
 
 Sidekiq::Web.set :session_secret, Rails.application.secrets[:secret_key_base]