implantação da fase 2 e 3

db/migrate/20260610_add_fase2_fields_to_users.rb

@@ -0,0 +1,25 @@
+# db/migrate/YYYYMMDDHHMMSS_add_fase2_fields_to_users.rb
+# Renomeie com o timestamp correto: rails g migration AddFase2FieldsToUsers
+class AddFase2FieldsToUsers < ActiveRecord::Migration[7.1]
+  def change
+    # PIN de acesso (motoristas)
+    add_column :users, :pin_acesso, :string, limit: 4
+    add_index  :users, :pin_acesso, unique: true, where: "pin_acesso IS NOT NULL"
+
+    # Status ativo/inativo
+    add_column :users, :ativo, :boolean, default: true, null: false
+
+    # Acompanhamento de login (Devise :trackable)
+    add_column :users, :sign_in_count,      :integer, default: 0, null: false unless column_exists?(:users, :sign_in_count)
+    add_column :users, :current_sign_in_at, :datetime unless column_exists?(:users, :current_sign_in_at)
+    add_column :users, :last_sign_in_at,    :datetime unless column_exists?(:users, :last_sign_in_at)
+    add_column :users, :current_sign_in_ip, :string   unless column_exists?(:users, :current_sign_in_ip)
+    add_column :users, :last_sign_in_ip,    :string   unless column_exists?(:users, :last_sign_in_ip)
+
+    # Lockable
+    add_column :users, :failed_attempts,  :integer, default: 0, null: false unless column_exists?(:users, :failed_attempts)
+    add_column :users, :unlock_token,     :string   unless column_exists?(:users, :unlock_token)
+    add_column :users, :locked_at,        :datetime unless column_exists?(:users, :locked_at)
+    add_index  :users, :unlock_token, unique: true unless index_exists?(:users, :unlock_token)
+  end
+end