Package the Rust mobile core and generated Kotlin API for Android (#92)

docs/android/architecture.md

@@ -205,11 +205,13 @@ Every issue runs the AGENTS.md Rust gates before commit. Android changes also
 run build/lint/unit/instrumented checks appropriate to the issue and computer-use
 validation on the existing emulator. Update by installation over the existing
 app, never uninstall/reset. If unlocking needs an unavailable user, label the
-issue untested and document exactly what could not be checked. Emulator evidence
-cannot satisfy physical biometric/camera/Keystore/autofill or Play acceptance.
+issue untested and document exactly what could not be checked. The user clarified on 2026-10-08 that validation for every milestone issue is
+emulator-only; no physical devices are included in testing. Record emulator/API
+limitations explicitly and use untested for an unavailable required emulator
+check. This does not change production security behavior or claim Play approval.
 Apple changes require XcodeGen and affected simulator builds and UI checks;
 never re-enroll an already enrolled iPhone simulator in ordinary validation.
 
 #94 owns reproducible CI and test boundaries, #105 accessibility/performance,
-#111 the complete architecture/security/parity audit, and #112 physical production
-install/update/Play release evidence. No release approval is implied by this ADR.
+#111 the complete architecture/security/parity audit, and #112 emulator
+install/update evidence and Play release preparation. No release approval is implied by this ADR.