Aggiunge i tornei con hub, pagina pubblica e tabellone per semifinali e finali.

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

backend/app/services/tournaments/ensure_broadcast_team.rb

@@ -0,0 +1,23 @@
+module Tournaments
+  class EnsureBroadcastTeam
+    def self.call(tournament)
+      new(tournament).call
+    end
+
+    def initialize(tournament)
+      @tournament = tournament
+    end
+
+    def call
+      return @tournament.broadcast_team if @tournament.broadcast_team.present?
+
+      team = @tournament.club.teams.create!(
+        name: @tournament.name,
+        sport_key: @tournament.sport_key,
+        internal_kind: Tournament::INTERNAL_TEAM_KIND
+      )
+      @tournament.update!(broadcast_team: team)
+      team
+    end
+  end
+end