Share retained stroke sampler dispatch helpers

docs/modernization/debt.md

@@ -18,6 +18,11 @@ agent or engineer to remove them without reconstructing context from chat.
 
 ## Recent Reductions
 
+- 2026-06-13: DEBT-0036 was narrowed again. `Canvas::stroke_draw` live-pass
+  sampler bind/unbind plus semantic texture-input dispatch now route through
+  retained stroke execution helpers; concrete GL object mapping, framebuffer
+  ownership, shader timing, and final draw execution remain retained in
+  `Canvas`.
 - 2026-06-13: DEBT-0036 was narrowed again. `NodeStrokePreview::stroke_draw_samples`
   now routes destination bind/unbind, framebuffer copy callback wrapping,
   sample-point assembly, and brush-vertex upload/draw through one local helper;

docs/modernization/roadmap.md

@@ -3119,6 +3119,10 @@ Results:
   destination bind/unbind, framebuffer copy callback wrapping, sample-point
   assembly, and brush-vertex upload/draw, while mixer-pass state execution and
   higher-level pass orchestration remain in the preview node.
+- `Canvas::stroke_draw` live-pass sampler bind/unbind plus semantic
+  texture-input dispatch now shares retained stroke execution helpers, while
+  concrete GL object mapping, framebuffer ownership, shader timing, and final
+  draw execution remain in the legacy Canvas path.
 - `Canvas::stroke_draw` pad-pass destination bind/copy/unbind ordering now
   shares the retained stroke execution helper callback surface, while shader
   setup, pad color selection, framebuffer ownership, and final OpenGL draw

docs/modernization/tasks.md

@@ -509,6 +509,13 @@ Done Checks:
 
 Progress Notes:
 
+- 2026-06-13: `Canvas::stroke_draw` live-pass sampler bind/unbind plus
+  semantic texture-input dispatch now routes through retained stroke execution
+  helpers; concrete GL object mapping, framebuffer ownership, shader timing,
+  and final draw execution remain local to `Canvas`. Next slice should target
+  the remaining live draw execution boundary inside `stroke_draw_samples()` or
+  the final temporary-texture composite setup without reopening the landed
+  dirty, face-framebuffer, pad, or texture-intent helpers.
 - 2026-06-13: `NodeStrokePreview::stroke_draw_samples()` now routes
   destination bind/unbind, framebuffer copy callback wrapping, sample-point
   assembly, and brush-vertex upload/draw through one local helper; mixer-pass