Backend (virtual.py) now also returns object_decals: crate_type decals (apply to every crate of that
type) + rack/crate decals for this space (was space-only). Frontend: makeDecalMesh() shared by wall/
crate/rack decals; snapToFace() ports WowPlatter snapToCrate/RackFaceAndOrient (preferred_face + face_offset
→ front/back/left/right/top/bottom, eps proud of the face, yaw outward, right-face mirror, rack east/west
readability flip). buildCrate(t,front,typeDecals) stamps crate_type logos on the front; rack loop stamps
rack decals using the rack yaw. Booth now shows 5 crate-type + 4 rack logos. SLOPE CONFIRMED CORRECT: the
custom column is front_height (back=height, front=front_height); slopedSide already builds the trapezoid
right (top edge slopes back→front). Space-decal loop refactored onto makeDecalMesh (DRY).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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