sn74hc574pw: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
sn74hc574pw: laser-etched CAD + chip hero (factory 2.0.0 backfill)
sn74hc574pw: stamp component.logic (74HC574) from component-ocean
sn74hc574pw: backfill missing artifacts (mfr, variants)
sn74hc574pw: publish the laser-etched STEP alongside the bare one
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
sn74hc574pw: factory component page (tier=lcsc)
Initial commit: component/sn74hc574pw