forked from 1b-agent/opencadstudio-upstream
- CreateDimensionRadius/CreateDimensionDiameter (DimensionRadialSpec) + CreateDimensionAngular (DimensionAngularSpec) ops (append-only). - backend add_dimension_radius/diameter (DimensionRadius/DimensionDiameter::new) + add_dimension_angular (DimensionAngular3Pt::new computes angle); dimension_measurement returns degrees for angular sub-types. - facade create_dimension_radius/diameter/angular; spec constructors; api_reference + binding_schema regenerated; mocks + baseline. - Test phase2cii_dimension_radius_diameter_angular -> 613 host lib + 3 consistency green.