Admin fatturazione: coda pagamenti senza PDF e upload diretto.

Lista globale dei pagamenti da fatturare con dati intestazione, caricamento
PDF per riga che crea la fattura e invia email; rimuove il flusso bozza manuale.

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

backend/app/models/concerns/club_billing_profile.rb

@@ -53,6 +53,22 @@ module ClubBillingProfile
     parts.compact.join(" · ")
   end
 
+  # Righe per intestazione fattura in admin (etichetta, valore).
+  def billing_profile_invoice_lines
+    lines = []
+    lines << ["Tipo", BILLING_ENTITY_TYPES[billing_entity_type]] if billing_entity_type.present?
+    lines << ["Intestatario", billing_legal_name]
+    lines << ["P.IVA", billing_vat_number] if billing_vat_number.present?
+    lines << ["Codice fiscale", billing_fiscal_code] if billing_fiscal_code.present?
+    lines << ["Email fatturazione", billing_email]
+    lines << ["Telefono", billing_phone] if billing_phone.present?
+    addr = [billing_address_line, billing_postal_code, billing_city, billing_province, billing_country].compact.join(", ")
+    lines << ["Indirizzo", addr] if addr.present?
+    lines << ["SDI", billing_recipient_code] if billing_recipient_code.present?
+    lines << ["PEC", billing_pec] if billing_pec.present?
+    lines
+  end
+
   private
 
   def billing_profile_for_invoicing