Retain nominal model correction evidence and exact ordering metadata
sn74lvc1g175dbvr: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
sn74lvc1g175dbvr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
sn74lvc1g175dbvr: laser-etched CAD + chip hero (factory 2.0.0 backfill)
sn74lvc1g175dbvr: stamp component.logic (74LVC1G175) from component-ocean
sn74lvc1g175dbvr: viewers
sn74lvc1g175dbvr: factory component page (tier=mfr)
Initial commit: component/sn74lvc1g175dbvr