Document VR ownership and GLFW platform hooks

docs/modernization/tasks.md

@@ -131,6 +131,8 @@ Current slice:
 - `NodeStrokePreview` final composite plus preview-texture copy now route
   through `legacy_node_stroke_preview_execution_services.h`, but the preview
   node still owns most live-pass and retained GL resource execution.
+- `NodeCanvas` merged-path per-plane merged-texture draw execution now also
+  routes through `execute_legacy_canvas_draw_merge_layer_texture(...)`.
 - `NodeCanvas` merged-path and non-blend checkerboard background setup now also
   route through `execute_legacy_canvas_draw_merge_background_setup(...)`.
 - `NodeCanvas` cache-to-screen checkerboard-plane callback setup now also routes
@@ -377,6 +379,8 @@ Current slice:
 - Windows splash-dialog and HMD renderer worker ownership in `main.cpp` now
   also use `std::jthread` with explicit stop requests instead of raw
   `std::thread`
+- Windows VR device ownership in `main.cpp` now also uses `std::unique_ptr`
+  instead of a raw `Vive*`
 - `LogRemote` worker ownership in `src/log.*` now also uses `std::jthread`
   with explicit stop requests instead of raw `std::thread`
 - brush package import/export now use service-owned `std::jthread` workers and
@@ -600,6 +604,9 @@ Current slice:
 - Apple crash-test, app-close, and iOS SonarPen hooks now also route through
   explicit Apple bridge callbacks instead of direct `App::I` calls in
   `LegacyPlatformServices`
+- Linux/Web GLFW render-context acquire/present hooks and Linux app-close now
+  also route through retained local GLFW callback hooks instead of direct
+  method-body `App::I` access in `LegacyPlatformServices`
 - retained Apple callback injection and broader `platform_legacy` singleton
   reach are still open