Hot memory — 15m → 24h (or custom points)
Warm memory — downsampled ring + samples-per-bucket
Disk history — auto-rotate by age (1 day → 1 year, forever, or custom days)
Soft disk budget + max warm points
Auto prune on a configurable hour interval
Dry-run prune / Prune now / Save to agent (admin role)
Raven Scott