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/helpers/application_helper.rb

@@ -31,6 +31,34 @@ module ApplicationHelper
     I18n.locale.to_s
   end
 
+  def confirm_dialog_i18n_json
+    {
+      eyebrow: t("common.confirm_eyebrow"),
+      title: t("common.confirm_title"),
+      deleteTitle: t("common.delete_title"),
+      confirmOk: t("common.confirm_ok"),
+      deleteOk: t("common.delete_ok"),
+      cancel: t("common.cancel"),
+      multiDeleteTitle: t("common.multi_delete_title"),
+      multiDeleteMessage: t("common.multi_delete_message"),
+      deleteYoutubeTitle: t("common.delete_youtube_title"),
+      deleteYoutubeMessage: t("common.delete_youtube_message"),
+      deleteYoutubeOk: t("common.delete_youtube_ok"),
+      deleteSiteTitle: t("common.delete_site_title"),
+      deleteSiteMessageWithYoutube: t("common.delete_site_message_with_youtube"),
+      deleteSiteMessageOnly: t("common.delete_site_message_only"),
+      deleteSiteOk: t("common.delete_site_ok"),
+      choiceSiteLabel: t("common.choice_site_label"),
+      choiceSiteHintWithYoutube: t("common.choice_site_hint_with_youtube"),
+      choiceSiteHintOnly: t("common.choice_site_hint_only"),
+      choiceYoutubeLabel: t("common.choice_youtube_label"),
+      choiceYoutubeHintWithSite: t("common.choice_youtube_hint_with_site"),
+      choiceYoutubeHintOnly: t("common.choice_youtube_hint_only"),
+      choiceBothLabel: t("common.choice_both_label"),
+      choiceBothHint: t("common.choice_both_hint")
+    }.to_json
+  end
+
   def sport_catalog_options(selected = nil)
     options = Sports::Catalog.as_api_list.map { |entry| [entry[:label], entry[:key]] }
     options_for_select(options, Sports::Catalog.normalize_key(selected))