Update parent filing date and record soonest subitem

Subitem filing date changes can leave the parent showing an incorrect next filing, delaying docketing. It fills the parent date and adds a reference note so legal ops act with accurate context same day.

Overview

Missed or inconsistent filing dates create last-minute scramble for docketing and counsel. This flow ensures the parent item reflects the soonest valid subitem filing date and includes a reference note, giving legal ops and docketing accurate context within minutes for same-day scheduling.