Inject Android bridge into legacy platform services

docs/modernization/debt.md

@@ -1,7 +1,7 @@
 # Modernization Debt Log
 
 Status: live
-Last updated: 2026-06-16
+Last updated: 2026-06-17
 
 Every shortcut, temporary adapter, retained vendored dependency, skipped
 platform gate, compatibility shim, or incomplete automation path must be
@@ -18,6 +18,13 @@ agent or engineer to remove them without reconstructing context from chat.
 
 ## Reductions
 
+- 2026-06-17: `DEBT-0016`/`DEBT-0017` were narrowed again.
+  `src/platform_legacy/legacy_platform_services.*` now takes an explicit
+  Android bridge through `create_platform_services(...)`, and
+  `android/src/cpp/main.cpp` now seeds Android-owned clipboard, keyboard,
+  JNI-thread attach/detach, async render-context, and file-picker callbacks
+  into that adapter instead of leaving those JNI/EGL entrypoints declared
+  directly inside the cross-platform fallback layer.
 - 2026-06-17: `DEBT-0017`/`DEBT-0050`/`DEBT-0053`/`DEBT-0057` were narrowed
   again. `src/platform_legacy/legacy_platform_services.*` now takes an
   explicit `WebPlatformServices*` dependency through

docs/modernization/roadmap.md

@@ -70,6 +70,15 @@ What is already real:
 - `pp_app_core`
 
 Latest slice:
+- `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

docs/modernization/tasks.md

@@ -78,6 +78,15 @@ Completed, blocked, and superseded task history moved to
   the queue is now ordered by code movement instead.
 
 Current slice:
+- `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