- Replace Theme.Leanback with Theme.AppCompat.DayNight.NoActionBar - Remove leanback dependencies (leanback, leanback-preference) - Remove LEANBACK_LAUNCHER, leanback feature, banner from manifest - PlayerActivity: replace D-pad with touch controls (click to toggle episodes, close button) - SearchFragment: adaptive grid (3 cols phone / 5 cols tablet), remove focus-based history toggle - Fix deprecated adapterPosition -> bindingAdapterPosition
- Replace resources.getColor(id, null) with ContextCompat.getColor() for API 21-22 compatibility - Change android.software.leanback to required=false to allow testing on non-TV emulators
- NativeSearch: move onResult/onError callbacks outside withContext(Dispatchers.IO) to prevent CalledFromWrongThreadException - SearchStrategy: change callback types to suspend to enable proper coroutine chaining - SearchCoordinator: remove leaked CoroutineScope, rely on suspend callback chaining for fallback flow - Resources: add mipmap-hdpi/mdpi/xhdpi/xxhdpi icon fallbacks for API < 26 devices
