minor, turn last_scal coru into writer coru after adjustments

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
minor, migrate total payout based ctl_appl_caev_file() to writer coru

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
Merge branch 'feat/prec'

* feat/prec:
  minor, migrate total payout based ctl_appl_caev_file() to writer coru
  minor, turn last_scal coru into writer coru after adjustments