The rhythm agreed with the owner: the stats/controls row hugs the
composer (8px — reads as the card's metadata, one object), and the
whole cluster floats with deliberate air above the screen bottom
(20px). The 8px straight-edge gap optically matches the 6px pill-to-
pill gap: two rounded pills' corridor reads wider than geometric, so
rounded-rounded gaps run ~2px tighter than straight-edge gaps.
- stats-bar.tsx: pt-4 -> pt-2 (8px under the composer) — shared by
chat and home automatically
- chat.tsx dock block + home.tsx composer wrapper: pb-4 -> pb-5
The dock's reserve auto-measures the block, so the spacer/fold
machinery adapts on its own.