feat(tess): use angular sampling

Route curve, hatch, sweep, loft, surface, edge, and isoline tessellation through the shared kernel policy.

src/entities/polyline.rs

@@ -258,8 +258,11 @@ fn tessellate_polyline2d(pl: &Polyline2D) -> RenderEntity {
                     center: [wcx as f32, wcy as f32, wcz as f32],
                     radius: arc.radius as f32,
                 });
-                for j in 1..=16usize {
-                    let s = arc.sample(j as f64 / 16.0);
+                for s in arc
+                    .tessellate_angle(acadrust::kernel::tessellation::DEFAULT_ANGLE)
+                    .into_iter()
+                    .skip(1)
+                {
                     let (wx, wy, wz) = to_wcs(s[0], s[1]);
                     path.push([wx, wy, wz]);
                 }