ntcs0603e3473jht: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
ntcs0603e3473jht: 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")
ntcs0603e3473jht: backfill missing artifacts (variants)
ntcs0603e3473jht: publish the laser-etched STEP alongside the bare one
ntcs0603e3473jht: viewers
ntcs0603e3473jht: factory component page (tier=lcsc)
Initial commit: component/ntcs0603e3473jht