Display child option for lettings

app/models/derived_variables/lettings_log_variables.rb

@@ -216,8 +216,6 @@ private
     (2..8).each do |idx|
       if age_under_16?(idx)
         self["ecstat#{idx}"] = 9
-      elsif public_send("ecstat#{idx}") == 9 && age_known?(idx)
-        self["ecstat#{idx}"] = nil
       end
     end
   end

app/models/form/lettings/questions/person_working_situation.rb

@@ -25,6 +25,7 @@ class Form::Lettings::Questions::PersonWorkingSituation < ::Form::Question
         "value" => "Child under 16",
         "depends_on" => [
           { "age#{@person_index}_known" => 1 },
+          { "age#{@person_index}_known" => nil },
           { "age#{@person_index}" => { "operator" => "<", "operand" => 16 } },
         ],
       },

app/models/validations/household_validations.rb

@@ -69,14 +69,12 @@ module Validations::HouseholdValidations
   end
 
   def validate_person_age_matches_economic_status(record)
-    return if record.form.start_year_after_2024?
-
     (2..8).each do |person_num|
       age = record.public_send("age#{person_num}")
       economic_status = record.public_send("ecstat#{person_num}")
       next unless age && economic_status
 
-      if age < 16 && !economic_status_is_child_other_or_refused?(economic_status)
+      if age < 16 && !economic_status_is_child_other_or_refused?(economic_status) && !record.form.start_year_after_2024?
         record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.child_under_16", person_num:)
         record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_under_16_ecstat", person_num:)
       end

spec/models/form/lettings/questions/person_working_situation_spec.rb

@@ -33,6 +33,7 @@ RSpec.describe Form::Lettings::Questions::PersonWorkingSituation, type: :model d
                                           "9" => {
                                             "depends_on" => [
                                               { "age2_known" => 1 },
+                                              { "age2_known" => nil },
                                               { "age2" => { "operand" => 16, "operator" => "<" } },
                                             ],
                                             "value" => "Child under 16",