Aggiunge fascia oraria, prova manuale obbligatoria e cruscotto invii email.

Le campagne rispettano orario e giorni lavorativi, richiedono una mail di test con dati inseriti a mano prima dell'invio massivo e offrono una dashboard per monitorare l'avanzamento.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/jobs/resume_mailings_job.rb

@@ -0,0 +1,28 @@
+class ResumeMailingsJob < ApplicationJob
+  queue_as :mailers
+
+  STALE_QUEUED_AFTER = 10.minutes
+
+  def perform
+    recover_stale_queued!
+    Mailing.sending.due_to_send.find_each do |mailing|
+      next unless Mailings::SendClock.new(mailing).open?
+      next if mailing.mailing_recipients.queued.exists?
+
+      recipient = mailing.mailing_recipients.pending.order(:id).first
+      next unless recipient
+
+      SendMailingRecipientJob.perform_later(recipient.id)
+    end
+  end
+
+  private
+
+  def recover_stale_queued!
+    MailingRecipient.queued.where("updated_at < ?", STALE_QUEUED_AFTER.ago).find_each do |recipient|
+      next unless recipient.mailing.sending?
+
+      recipient.update!(status: "pending", error_message: nil)
+    end
+  end
+end