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/controllers/public/teams_controller.rb

@@ -42,19 +42,28 @@ module Public
     def edit
       require_club_owner_for_team!(@team)
       @club = @team.club
+      @entitlements = @team.entitlements
     end
 
     def update
       require_club_owner_for_team!(@team)
       @team.assign_attributes(team_params)
       attach_branding_logo(@team)
+      attach_cover_image(@team, entitlements: @team.entitlements)
       attach_team_photo(@team)
       @team.save!
+      enqueue_cover_slate_generation(@team)
       redirect_to public_team_details_path(@team), notice: t("flash.teams.updated")
     rescue ActiveRecord::RecordInvalid => e
       @club = @team.club
+      @entitlements = @team.entitlements
       flash.now[:alert] = e.record.errors.full_messages.join(", ")
       render :edit, status: :unprocessable_entity
+    rescue Teams::EntitlementError => e
+      @club = @team.club
+      @entitlements = @team.entitlements
+      flash.now[:alert] = e.message
+      render :edit, status: :unprocessable_entity
     end
 
     def invite