mmbt2222alt1g: specified limits as data (metadata.characteristics, 45 rows from the datasheet)
mmbt2222alt1g: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
mmbt2222alt1g: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
mmbt2222alt1g: laser-etched CAD + chip hero (factory 2.0.0 backfill)
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
mmbt2222alt1g: hero re-rendered with iso-front (part number upright)
mmbt2222alt1g: factory component page (tier=lcsc)
Initial commit: component/mmbt2222alt1g