Hardware placed on an 'agregado' component (for example a drawer slide on a drawer side) shows in 3D and is charged in the BOM, but its drillings never reach the project drilling data or the KDT/MPR machine files, silently; the drawer quotes and draws but never gets machined. The code comment already names the gap.
From the Grok pain-radar digests, Oct 28-29 2026 (Oct 28 8:41 AM ET through Oct 29 early-morning Haitch editions). Verified live 2026-10-29: issue/PR read; title and state confirmed.