dx81c04-c: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
dx81c04-c: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
dx81c04-c: laser-etched CAD + chip hero (factory 2.0.0 backfill)
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
dx81c04-c: laser-etched CAD + chip hero (factory 2.0.0 backfill)
dx81c04-c: backfill missing artifacts (variants)
dx81c04-c: publish the laser-etched STEP alongside the bare one
dx81c04-c: factory component page (tier=lcsc)
Initial commit: component/dx81c04-c