Merges sentientstardust-dev/OrcaSlicer-ImageMap onto v2.4.2 base.
Includes CMYK texture mapping, side-surface image printing, OBJ/GLTF
texture import, image projection, and prime tower image rendering.
ImageMap base: OrcaSlicer commit 2026-04-26 (between v2.4.1 and v2.4.2)
KX-specific patches (Moonraker/AMS, updater, profile) to be applied on top.
EXPERIMENTAL — not for production use.