Reuse main stroke texture dispatch helper

docs/modernization/tasks.md

@@ -509,6 +509,12 @@ Done Checks:
 
 Progress Notes:
 
+- 2026-06-13: `Canvas::stroke_draw()` main-pass texture dispatch now reuses
+  retained helper builders for texture-unit, brush-tip, pattern, and mixer
+  callback wiring; the live adapter still owns the concrete textures and
+  sampler state. Next slice should target the remaining inline `stroke_draw()`
+  dispatch construction or another narrow seam without reopening landed pad or
+  dual-pass helpers.
 - 2026-06-13: `Canvas::stroke_draw()` dual-brush replay now reuses the new
   retained brush-tip texture dispatch helper for binding and unbinding; the
   live adapter still owns the concrete brush texture object and live-pass