Unify CAD conveyor on / and /details, add RealSense D435i + contact paddle
physics, keep items moving through scan, lock 7×10 drop validation, and
ship Stage 2 artifacts with production on :3100 (permanent HTTPS still blocked).
Co-authored-by: Cursor <cursoragent@cursor.com>
Add physicalItemMotion as the single source of item pose, synchronize belt/item speed at 1 m/s, route items through chutes, keep C/D items settled inside roll-cages, render historical settled items, and use STL models with explicit fallbacks.
