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Claude
a043979f44
Sketch layer - Trim/extend of an arc (and a circle opened into an arc) rewrites p0/p1 from the new angles; the wire builder, the solver and snapping read them. - Tangency binds the arc end that touches the line (or the other arc) instead of always the start, so a fillet tangent to both legs solves; circle-circle / circle-arc tangency uses the centre distance instead of CURVE_CURVE_TANGENT, which aborts on a circle. - Point-on-line distances and circle-line tangency keep the side the geometry is on; a point on an arc's rim uses PT_ON_CIRCLE. - The partitioned solve keeps constraints onto the origin/axes and counts free entities' DOF. - Zero-radius circles get no solver primitive and build no wire; constraints the solver cannot apply are reported in SketchSolveResult::skipped. - EllipseArc: mirror no longer yields the complement; after a solve its angles and ends are re-derived; on the XZ plane it is no longer built mirrored. - Offset: a circle follows the "+d = left of travel" rule (it shrinks, like a CCW arc chain); chains are joined at the weld tolerance. Bridge end pole fixed (G1, no cusp). Negative-scale transforms keep arcs and ellipses on their ends. Inference tolerances aligned with the weld. Model layer - Body references follow the body across delete / reorder / hide (resolved by the feature that made it); datum-plane ordinals are re-pointed; an index past the end is an error, not "the last body". New set_feature_enabled(). A move that puts a consumer above its input is refused. - Threads made from now on read thread_radius as the nominal major radius (internal: bore to minor, groove to major; external: groove cut into the rod); older recipes build as before. Bad thread parameters say why. Circular patterns span their angle end to end (new ones); add_pattern pivots on the modeling origin. - clear() drops variables; expression fields the GUI offers are bindable (thread_diameter, helix_*, thicken_thickness, ...); deg()/rad() in expressions; the recipe saves the modeling origin and body colours; names/colours follow bodies by identity. - Boolean and dress-up failures throw instead of returning the input; one produces_body(); hole standards corrected (82° inch countersinks, UNC names, #10-24); legacy profile solve validates indices and writes back only on success; v4 recipes read with a frozen field list. Tests cover each of the above. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QK4VgguuCAk2hZLWgcjJb9