Attention Tile · liveNew·count + preview rows
Attention Tile · emptyNew·honest empty state — no count
Attention Tile · loadingNew·skeleton rows ≠ empty
Era Band · proportionalNew·measured spans · soft boundaries · cursor + select
Selected: none
Era Band · sequence (12)New·order-only · equal-width · scrolls at 375px
Era Band · mixedNew·proportional (solid) + order-only (hatch)
Time ScrubberNew·snap-to-stop · keyboard · hatched indeterminate span
Stop 31 indeterminate span on the track
Last commit: —. Drag the track (snaps), or focus it and use ←/→ (step), Home/End (jump), Enter (commit).