fix: keep exact snapping, source drawing data and adaptive options layout

Resolve curve intersections through cadkernel, retain empty exact results, gather analytic candidates independently of tessellation, and bound material uploads. Preserve large MINSERT data while limiting rendering work; remove obsolete review narratives.

src/ui/window/options.rs

@@ -761,9 +761,9 @@ pub fn view_window<'a>(
     .height(sizing.height);
 
     container(body)
-        .width(540)
-        .height(560)
         .style(container::rounded_box)
         .padding([16, 18])
+        .width(sizing.width)
+        .height(sizing.height)
         .into()
 }