diff --git a/docs/modernization/debt.md b/docs/modernization/debt.md
index 2958172..9a0ed17 100644
--- a/docs/modernization/debt.md
+++ b/docs/modernization/debt.md
@@ -18,6 +18,12 @@ agent or engineer to remove them without reconstructing context from chat.
 
 ## Recent Reductions
 
+- 2026-06-14: `DEBT-0036` was narrowed again. `execute_canvas_draw_merge_branch_body()`
+  now routes the temporary erase, texture, and blend dispatch bodies through
+  `make_canvas_draw_merge_temporary_erase_dispatch(...)`,
+  `make_canvas_draw_merge_layer_texture_dispatch(...)`, and
+  `make_canvas_draw_merge_layer_blend_dispatch(...)`; the branch body still
+  owns the selection guard and execution dispatch.
 - 2026-06-14: `DEBT-0036` was narrowed again. `Canvas::draw_merge_temporary_paint_branch()`
   now routes the retained temporary-paint request construction through
   `make_canvas_draw_merge_temporary_paint_request(...)`; the temporary-paint
diff --git a/docs/modernization/tasks.md b/docs/modernization/tasks.md
index b0f45d4..145bf6e 100644
--- a/docs/modernization/tasks.md
+++ b/docs/modernization/tasks.md
@@ -2170,7 +2170,7 @@ ctest --preset desktop-fast --build-config Debug -R "pp_paint_renderer_composito
 
 ### STR-051 - Extract Draw Merge Branch Dispatch Bodies
 
-Status: Ready
+Status: Done
 Score: no score movement
 Debt: `DEBT-0036`
 Scope: `src/canvas.cpp`, `src/legacy_canvas_draw_merge_services.h`, `tests/paint_renderer/compositor_tests.cpp`
@@ -2190,6 +2190,8 @@ Done Checks:
 - `docs/modernization/debt.md` records the reduced draw-merge branch-dispatch
   surface.
 
+Closeout: `27d34f2f`
+
 Validation:
 
 ```powershell