MPN laser etch on the side face (window kept clear)
LED colour pass: coloured STEP is the default (lens colour from the datasheet dominant wavelength, softened), plain STE…
Merge characterization into the full-page README iframe (timeline viewer, seamless self-sizing); refresh hero render
Add animated 3D assembly (LED on footprint + solder + board + cathode silk, red lens with toggleable LED_lit on/off glo…
