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/models/match.rb

@@ -47,11 +47,11 @@ class Match < ApplicationRecord
 
   def public_status_label
     active = active_stream_session
-    return "In corso / da riprendere" if active
-    return "Programmata" if scheduled_upcoming?
-    return "Pronta" if scheduled_at.present?
+    return I18n.t("matches.status.active") if active
+    return I18n.t("matches.status.scheduled") if scheduled_upcoming?
+    return I18n.t("matches.status.ready") if scheduled_at.present?
 
-    "Senza orario"
+    I18n.t("matches.status.no_time")
   end
 
   scope :search_teams_or_opponents, lambda { |query|