CLDC-4178: add gender same as sex question for sales questions and pages

app/models/form/sales/pages/person_gender_same_as_sex.rb

@@ -0,0 +1,16 @@
+class Form::Sales::Pages::PersonGenderSameAsSex < ::Form::Page
+  def initialize(id, hsh, subsection, person_index:)
+    super(id, hsh, subsection)
+    @person_index = person_index
+    @depends_on = [
+      { "details_known_#{person_index}" => 1 },
+    ]
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::PersonGenderSameAsSex.new(nil, nil, self, person_index: @person_index),
+      Form::Sales::Questions::PersonGenderDescription.new(nil, nil, self, person_index: @person_index),
+    ]
+  end
+end

app/models/form/sales/questions/person_gender_description.rb

@@ -0,0 +1,16 @@
+class Form::Sales::Questions::PersonGenderDescription < ::Form::Question
+  def initialize(id, hsh, page, person_index:)
+    super(id, hsh, page)
+    @id = "gender_description#{person_index}"
+    @type = "text"
+    @check_answers_card_number = person_index
+    @person_index = person_index
+    @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
+  end
+
+  QUESTION_NUMBER_FROM_YEAR = { 2026 => 0 }.freeze
+
+  def derived?(log)
+    log.public_send("gender_same_as_sex#{@person_index}") != 2
+  end
+end

app/models/form/sales/questions/person_gender_same_as_sex.rb

@@ -0,0 +1,33 @@
+class Form::Sales::Questions::PersonGenderSameAsSex < ::Form::Question
+  def initialize(id, hsh, page, person_index:)
+    super(id, hsh, page)
+    @id = "gender_same_as_sex#{person_index}"
+    @type = "radio"
+    @check_answers_card_number = person_index
+    @conditional_for = { "gender_description#{person_index}" => [2] }
+    @inferred_check_answers_value = [{ "condition" => { "gender_same_as_sex#{person_index}" => 2 }, "value" => "No" }]
+    @person_index = person_index
+    @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
+  end
+
+  ANSWER_OPTIONS = {
+    "1" => { "value" => "Yes" },
+    "2" => { "value" => "No, enter gender identity" },
+    "divider" => { "value" => true },
+    "3" => { "value" => "Person prefers not to say" },
+  }.freeze
+
+  def answer_options
+    ANSWER_OPTIONS
+  end
+
+  QUESTION_NUMBER_FROM_YEAR = { 2026 => 0 }.freeze
+
+  def label_from_value(value, _log = nil, _user = nil)
+    return unless value
+
+    return "Prefers not to say" if value == 3
+
+    super
+  end
+end