Aggiunge copertina sponsor custom solo Premium Full, con override in wizard e slate sui nodi di streaming.

Permette upload da portale e app con ereditarietà partita→squadra→società, generazione MP4 via ffmpeg e distribuzione su home lab e nodi CPX per pause e assenza segnale.

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

backend/app/views/public/clubs/edit.html.erb

@@ -10,6 +10,9 @@
       <%= label_tag "club[sport]", t("club.sport_label") %>
       <%= select_tag "club[sport]", sport_catalog_options(@club.sport) %>
       <%= render "shared/branding_fields", record: @club, legend: t("club.branding_legend") %>
+      <%= render "shared/cover_fields",
+            record: @club,
+            can_upload: @entitlements&.can_use_custom_cover? %>
       <%= render "shared/billing_profile_fields", record: @club %>
       <%= submit_tag t("club.edit.save"), class: "btn btn-primary" %>
     <% end %>