Billing Stripe, link regia mobile e staff solo trasmissione.

Aggiunge fatturazione club, pagina regia condivisibile senza account, roster squadre e rimuove la modalità controller dall'app (v1.1.0).

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

backend/app/models/team_roster_member.rb

@@ -0,0 +1,87 @@
+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
+
+  VOLLEYBALL_PLAYER_ROLES = %w[
+    Schiacciatore
+    Opposto
+    Centrale
+    Palleggiatore
+    Libero
+    Universale
+  ].freeze
+
+  belongs_to :team
+
+  has_one_attached :photo_file
+
+  validates :full_name, presence: true
+  validates :category, inclusion: { in: CATEGORIES }
+  validates :jersey_number, numericality: { only_integer: true, greater_than: 0, less_than: 100 }, allow_nil: true
+  validate :photo_file_type, if: -> { photo_file.attached? }
+  validate :player_role_label_valid, if: -> { category == "player" && role_label.present? }
+
+  before_validation :assign_position, on: :create
+
+  scope :ordered, -> { order(:position, :created_at) }
+  scope :by_category, ->(cat) { where(category: cat).ordered }
+
+  def category_label
+    CATEGORY_LABELS[category] || category
+  end
+
+  def initials
+    parts = full_name.to_s.split(/\s+/).reject(&:blank?)
+    return "?" if parts.empty?
+
+    parts.first(2).map { |p| p[0] }.join.upcase
+  end
+
+  def photo_url
+    return unless photo_file.attached?
+
+    Rails.application.routes.url_helpers.rails_blob_path(photo_file, only_path: true)
+  end
+
+  def display_role
+    role_label.presence || default_role_label
+  end
+
+  private
+
+  def assign_position
+    return if position.positive? || team.blank?
+
+    max_pos = team.roster_members.where(category: category).maximum(:position) || -1
+    self.position = max_pos + 1
+  end
+
+  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"
+    else category
+    end
+  end
+
+  def player_role_label_valid
+    return if role_label.in?(VOLLEYBALL_PLAYER_ROLES)
+
+    errors.add(:role_label, "non è un ruolo pallavolo valido")
+  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")
+  end
+end