Record stroke draw samples callback extraction

docs/modernization/tasks.md

@@ -1956,7 +1956,7 @@ ctest --preset desktop-fast --build-config Debug -R "pp_paint_renderer_stroke_ex
 
 ### STR-035 - Extract Stroke Draw Samples Callback Body
 
-Status: Ready
+Status: Done
 Score: +1 renderer boundary and OpenGL parity
 Debt: `DEBT-0036`
 Scope: `src/canvas.cpp`, `src/legacy_canvas_stroke_execution_services.h`, `tests/paint_renderer/compositor_tests.cpp`
@@ -1967,6 +1967,8 @@ Move the remaining `Canvas::stroke_draw_samples()` callback body into a
 retained helper so the callsite keeps only request dispatch and dirty-bounds
 return handling.
 
+Closeout: `3c3405d7`
+
 Done Checks:
 
 - `Canvas::stroke_draw_samples()` no longer owns the face-sample callback body