Extract stroke dual pass boundary

docs/modernization/tasks.md

@@ -509,6 +509,12 @@ Done Checks:
 
 Progress Notes:
 
+- 2026-06-13: `Canvas::stroke_draw()` dual-brush replay now routes shader
+  setup, brush-tip texture binding, live-pass execution, and brush-tip
+  unbinding through `execute_legacy_canvas_stroke_dual_pass(...)`; the live
+  adapter still owns the concrete texture callbacks and face-frame replay.
+  Next slice should target another narrow `stroke_draw()` seam without
+  reopening landed pad or sample helpers.
 - 2026-06-13: `Canvas::stroke_draw()` dual-brush replay now routes shader
   setup, brush-tip texture binding, live-pass execution, and brush-tip
   unbinding through `execute_legacy_canvas_stroke_dual_pass(...)`; the live

src/canvas.cpp

@@ -919,7 +919,6 @@ void Canvas::stroke_draw()
             pp::panopainter::execute_legacy_canvas_stroke_dual_pass(
                 pp::panopainter::LegacyCanvasStrokeDualPassRequest {
                     .context = "Canvas::stroke_draw",
-                    .planes = dual_pass_texture_bindings,
                     .setup_dual_shader = [&] {
                         pp::panopainter::setup_legacy_stroke_dual_shader(
                             stroke_material.dual_pass.uses_pattern);

src/legacy_canvas_stroke_execution_services.h

@@ -181,7 +181,6 @@ struct LegacyCanvasStrokeMixPassResult {
 
 struct LegacyCanvasStrokeDualPassRequest {
     std::string_view context;
-    std::span<const LegacyCanvasStrokeMixPassPlane> planes;
     std::function<void()> bind_brush_tip;
     std::function<void()> unbind_brush_tip;
     std::function<void()> setup_dual_shader;