Plan cursor visibility in app core

docs/modernization/roadmap.md

@@ -460,6 +460,9 @@ bridges continue.
 `pano_cli plan-keyboard-visibility` exposes the app-core virtual keyboard
 visibility decision used by live show/hide keyboard requests before retained
 mobile platform keyboard bridges continue.
+`pano_cli plan-cursor-visibility` exposes the app-core cursor visibility
+decision used by live canvas cursor requests before retained desktop platform
+cursor bridges continue.
 `pano_cli plan-cloud-upload` exposes the app-core cloud upload decision used by
 the live cloud upload command for missing-canvas, new-document warning, publish
 prompt, and dirty-document save-before-upload states before legacy UI, canvas,
@@ -950,7 +953,8 @@ Results:
   filtering and non-empty picked-path callback planning before platform picker
   callbacks, plus empty/non-empty display-file planning before platform
   display callbacks, plus virtual keyboard show/hide planning before platform
-  keyboard callbacks.
+  keyboard callbacks, plus cursor visibility planning before platform cursor
+  callbacks.
 - `pano_cli_plan_picked_path_empty_smoke` and
   `pano_cli_plan_picked_path_selected_smoke` passed and expose app-core picker
   selected-path decisions as JSON.
@@ -960,6 +964,9 @@ Results:
 - `pano_cli_plan_keyboard_visibility_hidden_smoke` and
   `pano_cli_plan_keyboard_visibility_visible_smoke` passed and expose app-core
   virtual keyboard decisions as JSON.
+- `pano_cli_plan_cursor_visibility_hidden_smoke` and
+  `pano_cli_plan_cursor_visibility_visible_smoke` passed and expose app-core
+  cursor visibility decisions as JSON.
 - `panopainter_validate_shaders` passed, validating 25 shader programs and 7
   shader includes for stage markers and include graph integrity.
 - `pp_renderer_gl_capabilities_tests` passed on default MSVC, vcpkg-headless,
@@ -1150,7 +1157,7 @@ Use this as the starting checklist for Phase 0 inventory.
 - Input: mouse, keyboard, touch, gestures, Wacom tablet, stylus pressure,
   VR controllers.
 - Platform services: clipboard, file picker, save picker, directory picker,
-  share/display file, keyboard show/hide.
+  share/display file, keyboard show/hide, cursor visibility.
 - VR/platform variants: OpenVR desktop, Quest, Focus/Wave, Android standard,
   iOS/macOS, Linux, WebGL.
 - Cloud/network: upload, download, browse, license/check flows.