The money-clock (LFD · detention · per-diem)
Consensus + correctionCluster A is THE #1 value driver: multi-clock countdowns, pre-charge alerts, auto-invoice, per-diem audit, dispute packets. "Upgrade the existing detention/per-diem suggestion into a real engine" — prevents 60–80% of D&D.
The "existing suggestion" is broken beneath the UI: per-customer detention terms are sent but never persisted (G9); per-diem is frontend-only and never accrues (G18); detention is computed two ways that disagree and can double-bill (G6/G8) with no timezone (G-TZ).