Aggiunge pagamento con bonifico e importo concordato per società.

Il piano si attiva solo dopo la conferma admin; Stripe resta a listino se non c'è un prezzo commerciale.

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

backend/app/views/billing/invoice_mailer/plan_activated_with_invoice.html.erb

@@ -0,0 +1,12 @@
+<p><%= t("mailers.invoice_activated.hello") %></p>
+
+<p><%= raw t("mailers.invoice_activated.body_html",
+      plan: @invoice.club.subscription&.plan&.name || @invoice.billing_payment&.plan_slug.to_s.humanize,
+      club: @club.billing_legal_name.presence || @club.name,
+      until_date: @invoice.club.subscription&.current_period_end ? l(@invoice.club.subscription.current_period_end.to_date, format: :long) : t("mailers.invoice_activated.period_fallback"),
+      number: @invoice.display_number,
+      amount: @invoice.formatted_amount) %></p>
+
+<p><%= raw t("mailers.invoice.also_html") %></p>
+
+<p><%= t("mailers.invoice.thanks") %><br><%= t("mailers.invoice.signoff") %></p>

backend/app/views/billing/invoice_mailer/plan_activated_with_invoice.text.erb

@@ -0,0 +1,13 @@
+<%= t("mailers.invoice_activated.hello") %>
+
+<%= t("mailers.invoice_activated.body_text",
+      plan: @invoice.club.subscription&.plan&.name || @invoice.billing_payment&.plan_slug.to_s.humanize,
+      club: @club.billing_legal_name.presence || @club.name,
+      until_date: @invoice.club.subscription&.current_period_end ? l(@invoice.club.subscription.current_period_end.to_date, format: :long) : t("mailers.invoice_activated.period_fallback"),
+      number: @invoice.display_number,
+      amount: @invoice.formatted_amount) %>
+
+<%= t("mailers.invoice.also_text") %>
+
+<%= t("mailers.invoice.thanks") %>
+<%= t("mailers.invoice.signoff") %>