expo-android-build-doctor

Diagnose and fix Expo/React Native Android Gradle build failures, especially Kotlin metadata/version mismatches (e.g., "Module was compiled with an incompatible version of Kotlin" / metadata 2.1.0 vs expected 1.9.0) when running `npx expo run:android`, `./android/gradlew assembleDebug`, or EAS local Android builds.