Route stroke frame-face traversal through helper

docs/modernization/roadmap.md

@@ -3087,6 +3087,10 @@ Results:
   execution helper for brush-quad construction, mixer feedback bounds, 2D/3D
   projection selection intent, and frame assembly, while legacy projection
   geometry, stroke samples, and live draw execution remain retained.
+- `Canvas::stroke_draw` current and dual stroke frame-face traversal now shares
+  the retained stroke execution helper, while framebuffer binding, shader
+  uniform timing, dirty-box mutation, sampler/texture binding, and live draw
+  execution remain retained.
 - Remaining simple color, hue, color-quad, grid heightmap, and pen/line
   preview shader setup in UI nodes and canvas modes now shares retained helper
   surfaces, while geometry, texture/sampler binding, blend/depth state,