Add live pass sampler dispatch regression

docs/modernization/debt.md

@@ -533,6 +533,10 @@ agent or engineer to remove them without reconstructing context from chat.
   texture dispatch now has regression coverage through
   `make_legacy_canvas_stroke_main_pass_texture_dispatch(...)`; the live path
   still owns the concrete texture objects and sampler state.
+- 2026-06-13: DEBT-0036 was narrowed again. `Canvas::stroke_draw()` live-pass
+  sampler dispatch now has regression coverage through
+  `make_legacy_canvas_stroke_live_pass_sampler_dispatch(...)`; the live path
+  still owns the concrete sampler objects and binding state.
 - 2026-06-13: DEBT-0036 was narrowed again. `Canvas::draw_merge` checkerboard
   background shader setup and final merged-texture redraw setup now route
   through `legacy_canvas_draw_merge_services.h`. The retained Canvas path still

docs/modernization/tasks.md

@@ -609,7 +609,7 @@ ctest --preset desktop-fast --build-config Debug -R "pp_paint_renderer_composito
 
 ### STR-021 - Extract Stroke Draw Live Pass Sampler Dispatch
 
-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`
@@ -634,6 +634,12 @@ Validation:
 ctest --preset desktop-fast --build-config Debug -R "pp_paint_renderer_compositor|pp_paint_renderer_stroke_execution" --output-on-failure
 ```
 
+### Completed Task Log
+
+| Date | Task | Score | Validation | Commit |
+| --- | --- | --- | --- | --- |
+| 2026-06-13 | STR-021 | +1 renderer boundary and OpenGL parity | `ctest --preset desktop-fast --build-config Debug -R "pp_paint_renderer_compositor|pp_paint_renderer_stroke_execution" --output-on-failure` | `pending` |
+
 Progress Notes:
 
 - 2026-06-13: `NodeStrokePreview::draw_stroke_immediate()` now routes final