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/matches_controller.rb

@@ -25,7 +25,7 @@ module Public
         match_params.merge(sport: @team.sport, sets_to_win: match_params[:sets_to_win].presence || 3)
       )
       redirect_to public_team_matches_path(@team),
-                  notice: "Partita programmata: #{@match.opponent_name}. Avvia lo streaming dall’app quando sei in palestra."
+                  notice: t("flash.matches.scheduled", opponent: @match.opponent_name)
     rescue ActiveRecord::RecordInvalid => e
       @match = @team.matches.build(match_params)
       flash.now[:alert] = e.record.errors.full_messages.join(", ")
@@ -37,7 +37,7 @@ module Public
 
     def update
       @match.update!(match_params)
-      redirect_to public_team_matches_path(@team), notice: "Partita aggiornata."
+      redirect_to public_team_matches_path(@team), notice: t("flash.matches.updated")
     rescue ActiveRecord::RecordInvalid => e
       flash.now[:alert] = e.record.errors.full_messages.join(", ")
       render :edit, status: :unprocessable_entity
@@ -47,12 +47,12 @@ module Public
       active = active_session_for(@match)
       if active&.resumable?
         redirect_to public_team_matches_path(@team),
-                    alert: "Chiudi la diretta prima di eliminare questa partita."
+                    alert: t("flash.matches.close_live_before_delete")
         return
       end
 
       @match.destroy!
-      redirect_to public_team_matches_path(@team), notice: "Partita eliminata."
+      redirect_to public_team_matches_path(@team), notice: t("flash.matches.deleted")
     end
 
     private
@@ -66,7 +66,7 @@ module Public
       return if current_user.can_schedule_for?(@team)
 
       redirect_to public_team_details_path(@team),
-                  alert: "Solo un responsabile trasmissione o il titolare della società possono programmare le partite."
+                  alert: t("flash.matches.schedule_denied")
     end
 
     def set_match