CLDC-4177: Do not include sexRAB in pre-2026 exports

app/services/exports/sales_log_export_constants.rb

@@ -137,11 +137,16 @@ module Exports::SalesLogExportConstants
   (1..6).each do |index|
     EXPORT_FIELDS << "AGE#{index}"
     EXPORT_FIELDS << "ECSTAT#{index}"
-    EXPORT_FIELDS << "SEXRAB#{index}"
     EXPORT_FIELDS << "SEX#{index}"
   end
 
   (2..6).each do |index|
     EXPORT_FIELDS << "RELAT#{index}"
   end
+
+  POST_2026_EXPORT_FIELDS = Set[]
+
+  (1..6).each do |index|
+    POST_2026_EXPORT_FIELDS << "SEXRAB#{index}"
+  end
 end

app/services/exports/sales_log_export_service.rb

@@ -151,7 +151,8 @@ module Exports
     end
 
     def is_omitted_field?(field_name, _sales_log)
-      !EXPORT_FIELDS.include?(field_name)
+      !EXPORT_FIELDS.include?(field_name) ||
+        (!_sales_log.form.start_year_2026_or_later? && POST_2026_EXPORT_FIELDS.include?(field_name))
     end
 
     def build_export_xml(sales_logs)