CLDC-4400: refactor usage error

lib/tasks/remap_2025_hhregresstill_values.rake

@@ -1,6 +1,15 @@
 desc "Remaps hhregresstill values for manually created 2025/26 sales logs"
-task remap_2025_hhregresstill_values: :environment do
+task :remap_2025_hhregresstill_values, %i[before_date] => :environment do |_task, args|
-  logs = SalesLog.filter_by_year(2025).where(bulk_upload_id: nil).where(hhregresstill: [5, 6, 7])
+  usage_message = "Usage: rake remap_2025_hhregresstill_values['before_date']. before_date must be in format YYYY-MM-DD"
+  raise usage_message if args[:before_date].blank?
+
+  begin
+    before_date = Date.parse(args[:before_date])
+  rescue Date::Error
+    raise usage_message
+  end
+
+  logs = SalesLog.filter_by_year(2025).where(bulk_upload_id: nil).where(hhregresstill: [5, 6, 7]).where("created_at < ?", before_date)
   puts "Updating #{logs.count} sales logs"
 
   logs.where(hhregresstill: 5).update_all(hhregresstill: 10)