Completa i18n IT/EN/FR/DE/ES su sito pubblico, area autenticata e admin.

Tutte le view marketing, legali, viewer, dashboard e admin usano t(); mailer utente-facing e flash localizzati; admin con LocaleResolver e selettore lingua.

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

backend/app/controllers/public/club_matches_controller.rb

@@ -14,7 +14,7 @@ module Public
       @selected_team = @schedulable_teams.find { |t| t.id.to_s == params[:team_id].to_s }
       unless @selected_team
         @match = default_match_for_form
-        flash.now[:alert] = "Seleziona una squadra valida."
+        flash.now[:alert] = t("flash.club_matches.invalid_team")
         return render :new, status: :unprocessable_entity
       end
 
@@ -22,7 +22,7 @@ module Public
         match_params.merge(sport: @selected_team.sport, sets_to_win: 3)
       )
       redirect_to public_live_index_path(club_id: @club.id),
-                  notice: "Partita programmata: #{@selected_team.name} vs #{@match.opponent_name}."
+                  notice: t("flash.club_matches.scheduled", team: @selected_team.name, opponent: @match.opponent_name)
     rescue ActiveRecord::RecordInvalid => e
       @match = @selected_team.matches.build(match_params)
       flash.now[:alert] = e.record.errors.full_messages.join(", ")
@@ -44,7 +44,7 @@ module Public
       return if @schedulable_teams.any?
 
       redirect_to public_live_index_path(club_id: @club.id),
-                  alert: "Non hai permessi per programmare partite in questa società."
+                  alert: t("flash.club_matches.no_schedulable_teams")
     end
 
     def resolve_selected_team