Billing Stripe, link regia mobile e staff solo trasmissione.

Aggiunge fatturazione club, pagina regia condivisibile senza account, roster squadre e rimuove la modalità controller dall'app (v1.1.0).

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

backend/app/views/shared/_billing_profile_fields.html.erb

@@ -0,0 +1,65 @@
+<%# locals: (record:, show_legend: true) %>
+<% if show_legend %>
+  <h2 class="form-section-title" style="margin-top:24px">Dati di fatturazione</h2>
+  <p style="color:#888;font-size:0.88rem;margin:-8px 0 16px">
+    Obbligatori per ricevere le fatture elettroniche (P.IVA/CF, indirizzo, SDI o PEC).
+    I pagamenti restano gestiti in modo sicuro da Stripe.
+  </p>
+<% end %>
+
+<%= label_tag "club[billing_entity_type]", "Tipo intestatario" %>
+<%= select_tag "club[billing_entity_type]",
+      options_for_select(Club::BILLING_ENTITY_TYPES.map { |k, v| [v, k] }, record.billing_entity_type),
+      include_blank: false %>
+
+<%= label_tag "club[billing_legal_name]", "Ragione sociale / nome e cognome" %>
+<%= text_field_tag "club[billing_legal_name]", record.billing_legal_name, placeholder: "es. ASD Tigers Volley" %>
+
+<div style="display:grid;grid-template-columns:1fr 1fr;gap:12px">
+  <div>
+    <%= label_tag "club[billing_vat_number]", "Partita IVA" %>
+    <%= text_field_tag "club[billing_vat_number]", record.billing_vat_number, placeholder: "12345678901" %>
+  </div>
+  <div>
+    <%= label_tag "club[billing_fiscal_code]", "Codice Fiscale" %>
+    <%= text_field_tag "club[billing_fiscal_code]", record.billing_fiscal_code, placeholder: "RSSMRA80A01H501U" %>
+  </div>
+</div>
+
+<%= label_tag "club[billing_email]", "Email fatturazione" %>
+<%= email_field_tag "club[billing_email]", record.billing_email, placeholder: "amministrazione@societa.it" %>
+
+<%= label_tag "club[billing_phone]", "Telefono (opzionale)" %>
+<%= text_field_tag "club[billing_phone]", record.billing_phone %>
+
+<%= label_tag "club[billing_address_line]", "Indirizzo" %>
+<%= text_field_tag "club[billing_address_line]", record.billing_address_line, placeholder: "Via Roma 1" %>
+
+<div style="display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px">
+  <div>
+    <%= label_tag "club[billing_city]", "Città" %>
+    <%= text_field_tag "club[billing_city]", record.billing_city %>
+  </div>
+  <div>
+    <%= label_tag "club[billing_province]", "Prov." %>
+    <%= text_field_tag "club[billing_province]", record.billing_province, maxlength: 2, placeholder: "MI" %>
+  </div>
+  <div>
+    <%= label_tag "club[billing_postal_code]", "CAP" %>
+    <%= text_field_tag "club[billing_postal_code]", record.billing_postal_code %>
+  </div>
+</div>
+
+<%= label_tag "club[billing_country]", "Paese (ISO)" %>
+<%= text_field_tag "club[billing_country]", record.billing_country.presence || "IT", maxlength: 2 %>
+
+<div style="display:grid;grid-template-columns:1fr 1fr;gap:12px">
+  <div>
+    <%= label_tag "club[billing_recipient_code]", "Codice destinatario SDI (7 caratteri)" %>
+    <%= text_field_tag "club[billing_recipient_code]", record.billing_recipient_code, maxlength: 7, placeholder: "XXXXXXX" %>
+  </div>
+  <div>
+    <%= label_tag "club[billing_pec]", "PEC (alternativa a SDI)" %>
+    <%= email_field_tag "club[billing_pec]", record.billing_pec, placeholder: "pec@societa.it" %>
+  </div>
+</div>