custom_announcement scheduler 加 lockfile 避免每個 worker 重複執行，改為行程內直接刪除預覽資料，恢復 rake/console 保護條件

custom_announcement/config/initializers/scheduler.rb

@@ -1,9 +1,9 @@
 require 'rufus-scheduler'
 
-scheduler = Rufus::Scheduler.new
+unless defined?(Rails::Console) || Rails.env.test? || File.split($0).last == 'rake'
+  scheduler = Rufus::Scheduler.new(lockfile: Rails.root.join('tmp', 'custom_bulletin_scheduler.lock').to_s)
 
-#return if defined?(Rails::Console) || Rails.env.test? || File.split($0).last == 'rake'
-
-scheduler.cron '43 2 * * *' do
-  system('bundle exec rake custom_bulletin:remove_preview_custom_bulletins')
+  scheduler.cron '43 2 * * *' do
+    CustomBulletin.where(is_preview: true).destroy_all
+  end
 end