= fields_for @champ.input_name, @champ do |form|
  = turbo_stream.replace @champ.input_group_id do
    = render EditableChamp::EditableChampComponent.new champ: @champ, form: form

  - last_attached_file = @champ.piece_justificative_file.attachments.last
  - if last_attached_file
    = turbo_stream.focus_all "#persisted_row_attachment_#{last_attached_file.id} .attachment-filename a"