SPAWN: Open palm → dwell ◄/► to browse
BASIC / BUILD / ARMOR › hover icon 0.8s
MOVE + SPIN:
Pinch near object → grab · Tilt to spin
Open hand = drop · 2nd hand = scale
SCENE (show both hands, primary pinches):
Move whole build · Tilt = orbit structure
FIST 1s = delete · PEACE 1.5s = duplicate
THREE (while held) = cycle color