sn74lvc1g125: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
sn74lvc1g125: laser-etched CAD + chip hero (factory 2.0.0 backfill)
sn74lvc1g125: stamp component.logic (74LVC1G125) from component-ocean
sn74lvc1g125: backfill missing artifacts (etch, variants)
add validated EAGLE .lbr (Fusion library)
Initial commit: component/sn74lvc1g125