solvecraft-cli step-corpus and cargo xtask step-corpus [DIR]: open every Fusion oracle part.step and compare body count, volume and area (1e-3) and face count with Fusion's measurements; docs/step-import.md (29/29 pass). solvecraft-cli eval/run accept STEP files and --in FILE. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL