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/team_roster_member.rb

@@ -2,12 +2,10 @@ class TeamRosterMember < ApplicationRecord
   CATEGORIES = %w[staff coach manager player].freeze
   # Ordine di visualizzazione in pagina organico
   DISPLAY_ORDER = %w[coach manager player staff].freeze
-  CATEGORY_LABELS = {
-    "staff" => "Staff",
-    "coach" => "Allenatori",
-    "manager" => "Dirigenti",
-    "player" => "Giocatori"
-  }.freeze
+
+  def self.category_label(category)
+    I18n.t("roster.category.#{category}", default: category.to_s.capitalize)
+  end
 
   VOLLEYBALL_PLAYER_ROLES = Sports::PlayerRoles::BY_BOARD["volley"].freeze
 
@@ -27,7 +25,7 @@ class TeamRosterMember < ApplicationRecord
   scope :by_category, ->(cat) { where(category: cat).ordered }
 
   def category_label
-    CATEGORY_LABELS[category] || category
+    self.class.category_label(category)
   end
 
   def initials
@@ -58,10 +56,11 @@ class TeamRosterMember < ApplicationRecord
 
   def default_role_label
     case category
-    when "coach" then "Allenatore"
-    when "manager" then "Dirigente"
-    when "staff" then "Staff"
-    when "player" then jersey_number.present? ? "Giocatore ##{jersey_number}" : "Giocatore"
+    when "coach" then I18n.t("roster.role.coach")
+    when "manager" then I18n.t("roster.role.manager")
+    when "staff" then I18n.t("roster.role.staff")
+    when "player"
+      jersey_number.present? ? I18n.t("roster.role.player_numbered", number: jersey_number) : I18n.t("roster.role.player")
     else category
     end
   end
@@ -70,12 +69,12 @@ class TeamRosterMember < ApplicationRecord
     allowed = Sports::PlayerRoles.for_team(team)
     return if role_label.in?(allowed)
 
-    errors.add(:role_label, "non è un ruolo valido per questo sport")
+    errors.add(:role_label, I18n.t("roster.errors.role_invalid"))
   end
 
   def photo_file_type
     return if photo_file.content_type.in?(%w[image/png image/jpeg image/webp])
 
-    errors.add(:photo_file, "deve essere PNG, JPEG o WebP")
+    errors.add(:photo_file, I18n.t("roster.errors.photo_invalid_type"))
   end
 end