Record STR-048 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. `Canvas::draw_merge_branch_orchestration()`
+  now routes the retained branch execution body through
+  `execute_canvas_draw_merge_branch_body(...)`; the branch wrapper still owns
+  the branch-selection guard and dispatch wiring.
 - 2026-06-14: `DEBT-0036` was narrowed again. `Canvas::draw_merge()` now
   routes the final-composite gate through
   `execute_canvas_draw_merge_plane_final_composite(...)`; the plane-loop helper

docs/modernization/tasks.md

@@ -2083,7 +2083,7 @@ ctest --preset desktop-fast --build-config Debug -R "pp_paint_renderer_composito
 
 ### STR-048 - Extract Draw Merge Branch Orchestration Body
 
-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`
@@ -2102,6 +2102,8 @@ Done Checks:
   temporary paint, texture, and blend execution order.
 - `docs/modernization/debt.md` records the reduced draw-merge branch surface.
 
+Closeout: `85f8af42`
+
 Validation:
 
 ```powershell