Status & display: alert, stat, timeline, chip, divider, empty
SvAlert (inline info/success/warning/danger messages with actions), SvStat (KPI cards with auto-coloured up/down deltas, invertible), SvTimeline (activity feed), SvChip (removable/clickable pills with avatars), SvDivider (labeled + vertical) and SvEmptyState. The status + display layer for dashboards and detail screens.