Record STR-044 closeout hash

docs/modernization/debt.md

@@ -18,6 +18,10 @@ agent or engineer to remove them without reconstructing context from chat.
 
 ## Recent Reductions
 
+- 2026-06-14: `DEBT-0036` was narrowed again. `execute_stroke_preview_sample_pass()`
+  now routes the retained sample-request construction through
+  `make_stroke_preview_sample_request(...)`; the preview path still owns the
+  concrete destination binding, copy callback, and brush draw dispatch.
 - 2026-06-13: `LATER-003` was narrowed again. `Canvas::stroke_draw_mix()` now
   routes the combined setup, request bundle, and shell execution through
   `make_legacy_canvas_stroke_mix_pass_shell(...)` plus