cd4001s: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
cd4001s: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
cd4001s: laser-etched CAD + chip hero (factory 2.0.0 backfill)
cd4001s: hero re-rendered with iso-front (part number upright)
cd4001s: laser-etched CAD + chip hero (factory 2.0.0 backfill)
cd4001s: stamp component.logic (CD4001) from component-ocean
cd4001s: backfill missing artifacts (hero, etch)
Initial commit: component/cd4001s