Add Project and Sweep sketch tools - #75
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Expand the sketch toolbar with new geometry and editing commands: Draw tools: center-point circle, two-point circle, corner/center rectangle, inscribed/circumscribed/edge polygon with a side-count stepper, and placed sketch text. Create / Transform: offset paths, mirror across an axis or selected segment, and rectangular/circular patterns driven by a small options panel. Inspect: dimension tool with driving length dimensions, reference distance dimensions between point/midpoint/intersection anchors, and horizontal/vertical/fixed constraints with a lightweight solver. Supporting changes: planar region detection so extrudes can target overlapping profiles (with region-aware OCCT extrude + healing), geometry libs for the new tools, .skf persistence for constraints/ dimensions/texts, and unit plus real-kernel e2e tests.
A CSS extraction pass dropped 33 rules for classes that existed upstream but were restyled by the sketch menu work: selectable extrusion regions, sketch points (incl. fixed state), constrained segments, segment dimension labels, drag/curve handles, measurement points, polygon side stepper, constraint inspector, image resize handle, grid settings, and toolbar disabled states. Without them, selected extrusion profiles gave no visual feedback.
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The closed-profile hit-target overlay sat above the region fill layer in the sketch SVG, so with Select active every click inside a profile started a whole-shape drag instead of toggling that region's extrusion selection. Region fills now receive clicks as intended; whole-shape dragging still works via marquee selection and selected-shape handles.
Assign holes to outlines per selected region instead of inferring nesting from outline areas. The area heuristic mis-grouped profiles inside a sketch (for example an overlapping or unselected inner profile), so editing a sketch and toggling region selection could produce wrong geometry. Regions now carry their own outer/hole paths, and each selected region extrudes exactly as shown.
Project meshes or other sketches onto the active sketch plane as linked references (refreshed from their source whenever the sketch opens or rebuilds) or as editable copies, using the new planar projection lib. Sweep extrudes a selected closed profile along a selected open path and rebuilds when the sketch is re-edited. Includes constructionPlanes math helpers for workplane pose conversion (no construction-plane shapes or UI in this change), sweep/projection persistence and validation in .skf projects, guards so projected geometry cannot be dragged or marquee-selected, and unit tests for projection, sweep, and plane math.
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Completes the sketch toolbar with the two remaining Create / Transform commands:
Supporting changes:
constructionPlanes.tsmath helpers for workplane pose conversion (pure quaternion/pose math only — no construction-plane shapes or UI in this change).skfprojects