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Tommaso BianchiandClaude Opus 4.8
161d006e92
Onshape-style "Use / Convert entities": pick edges (or a whole face) of an existing solid and get sketch geometry projected onto a target plane, then extrude/revolve/edit it like any sketch. Parametric: apply_project re-derives the feature's entities from the source body on every recompute, so editing the source updates the projection. Line edges -> Line entities (exact); circles/arcs whose plane is parallel to the sketch plane -> Circle/Arc (exact); everything else (incl. non-parallel circles that project to ellipses) -> sampled Line chain. Append-only: new enum value Project + project_source_body/project_edges/ project_face fields at the end of save/load; recipe version stays 2. Recompute loop made non-const solely so apply_project can write back f.entities. Suite 67->71 cases, 1178->1229 assertions, RC=0. Fixture 25493->26835 B. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BVzKmX6Y1aEteit1HTXG4Q