Aggiunge filtri avanzati per i destinatari delle campagne email.

La scelta della lista passa da un wizard a tre passi, con anteprima del conteggio e lista congelata solo dopo la conferma.

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

test/test_helper.rb

@@ -50,14 +50,16 @@ module MailMarketingTestHelper
     )
   end
 
-  def create_campaign_org(name:, email:, ab_variant: nil, send_status: "to_send", list_position: nil)
+  def create_campaign_org(name:, email:, ab_variant: nil, send_status: "to_send", list_position: nil, **org_attrs)
     project = projects(:matchlivetv)
     org = Organization.new(
-      name: name,
-      status: "prospect",
-      organization_type: "societa_sportiva",
-      email: email,
-      list_position: list_position
+      {
+        name: name,
+        status: "prospect",
+        organization_type: "societa_sportiva",
+        email: email,
+        list_position: list_position
+      }.merge(org_attrs)
     )
     org.organization_projects.build(project: project)
     org.save!