Extend REQ-BLD-BELT-DRAG: dragging a belt onto a building/construction site snaps the end tile to the input-capable adjacent tile closest to the cursor (geometrically closest, always), with that tile's belt pointing into the target across the shared input edge, overriding the final-tile orientation. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Y7N59FsLA5e2kuVdqe4Uhc