Own Android platform services and narrow legacy fallback

docs/modernization/tasks.md

@@ -51,8 +51,9 @@ Completed, blocked, and superseded task history moved to
     `src/platform_apple/apple_platform_state.cpp` and
     `src/platform_apple/apple_platform_services.*`, and the live Apple
     `PlatformServices` surface now binds directly from those Apple-owned files,
-    but the broader non-Windows fallback adapter still exists for
-    Android/Linux/Web
+    and Android now also binds directly from
+    `src/platform_android/android_platform_services.*`, but the broader
+    non-Windows fallback adapter still exists for Linux/Web
   - `platform_legacy` is still part of the live app shell
 - The app runtime boundary is not finished:
   - render/UI queues are static `App` state
@@ -80,6 +81,20 @@ Completed, blocked, and superseded task history moved to
   the queue is now ordered by code movement instead.
 
 Current slice:
+- `src/platform_android/android_platform_services.*` now owns the concrete
+  Android `PlatformServices` implementation and `create_platform_services()`
+  instead of leaving the live Android execution surface in
+  `platform_legacy`.
+- `android/src/cpp/main.cpp` now binds that owned Android `PlatformServices`
+  instance into `App` directly at the Android entrypoint.
+- The touched Android clipboard, keyboard visibility, JNI thread
+  attach/detach, async render-context, and file-picker execution now route
+  through `src/platform_android/android_platform_services.*` instead of the
+  cross-platform fallback adapter.
+- `src/platform_legacy/legacy_platform_services.*` no longer carries the
+  Android bridge/configuration surface or the touched Android method branches,
+  so the retained fallback adapter is narrower again and now focused on the
+  Linux/Web path plus generic fallback policy.
 - `src/platform_apple/apple_platform_services.*` now owns the concrete Apple
   `PlatformServices` implementation plus the `create_apple_platform_services()`
   factory instead of leaving the live Apple execution surface in
@@ -96,15 +111,6 @@ Current slice:
   document-service provider/configuration surface or the touched Apple method
   branches, so the retained fallback adapter is narrower and now focused on the
   Android/Linux/Web path.
-- `src/platform_legacy/legacy_platform_services.*` now takes an explicit
-  Android bridge through `create_platform_services(...)` instead of declaring
-  Android JNI/EGL/clipboard/file-picker hooks directly inside the legacy
-  adapter.
-- `android/src/cpp/main.cpp` now seeds that Android-owned bridge into its
-  owned legacy `PlatformServices` instance.
-- The touched Android clipboard, keyboard visibility, JNI thread attach/detach,
-  async render-context, and file-picker ownership now sit at the Android
-  entrypoint instead of the cross-platform fallback adapter body.
 - `src/platform_legacy/legacy_platform_services.*` now takes an explicit
   `WebPlatformServices*` dependency through `create_platform_services(...)`
   instead of routing WebGL publish/flush/default-canvas/save-prepared-file