Share retained stroke texture binding 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` main, pad,
+  and dual live-pass texture-input binding/unbinding intent now routes through
+  shared retained stroke execution helpers; sampler binding, concrete GL object
+  mapping, framebuffer ownership, and final draw execution remain retained in
+  `Canvas`.
 - 2026-06-13: DEBT-0036 was narrowed again. `NodeStrokePreview` live-pass
   sampler binding, dual/main pass texture binding, checkerboard/background
   capture wrapping, and final preview copy-back now route through shared local

docs/modernization/roadmap.md

@@ -3111,6 +3111,10 @@ Results:
   binding, checkerboard/background capture wrapping, and final preview
   copy-back now share named local helpers, while mixer state execution and
   per-sample GL ordering remain in the preview node.
+- `Canvas::stroke_draw` main, pad, and dual live-pass texture-input
+  binding/unbinding intent now shares retained stroke execution helpers, while
+  sampler binding, concrete GL object mapping, framebuffer ownership, 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` main, pad, and dual live-pass
+  texture-input binding/unbinding intent now routes through retained stroke
+  execution helpers; sampler binding, concrete GL object mapping, framebuffer
+  ownership, and final draw execution remain local to `Canvas`. Next slice
+  should target the remaining sampler binding/teardown or the direct
+  semantic-input-to-GL mapping callbacks without reopening the landed dirty,
+  face-framebuffer, or pad helpers.
 - 2026-06-13: `NodeStrokePreview::draw_stroke_immediate()` live-pass sampler
   binding, dual/main pass texture binding, checkerboard/background capture
   wrapping, and final preview copy-back now route through named local helpers;