refactor(platform): remove Apple targets from KMP

shared/src/commonMain/kotlin/com/vnidrop/app/core/CoreModels.kt

@@ -134,13 +134,6 @@ interface CoreGateway {
 		senderName: String,
 		accessPolicy: ShareAccessPolicy,
 	): Result<Share>
-	suspend fun shareSecurityScopedFileUrl(
-		fileUrl: String,
-		displayName: String,
-		transferName: String,
-		senderName: String,
-		accessPolicy: ShareAccessPolicy,
-	): Result<Share>
 	/** Multi-source share used by multi-file pickers. */
 	suspend fun shareSources(
 		sources: List<uniffi.vnidrop.ShareSource>,
@@ -151,7 +144,6 @@ interface CoreGateway {
 	suspend fun inspectTicket(ticket: String): Result<TicketInspectionModel>
 	suspend fun receive(ticket: String, outputDir: String, receiverName: String): Result<Unit>
 	suspend fun receiveWithOutputSink(ticket: String, outputSink: ReceiveOutputSink, receiverName: String): Result<Unit>
-	suspend fun receiveIntoSecurityScopedDirectory(ticket: String, outputDirectoryUrl: String, receiverName: String): Result<Unit>
 	suspend fun cancel(transferId: ULong): Result<Unit>
 	suspend fun delete(transferId: ULong): Result<Unit>
 	suspend fun clearReceiveHistory(): Result<ULong>

shared/src/commonMain/kotlin/com/vnidrop/app/core/CoreRepository.kt

@@ -113,27 +113,6 @@ class CoreRepository(
 			accessPolicy = accessPolicy,
 		)
 
-	override suspend fun shareSecurityScopedFileUrl(
-		fileUrl: String,
-		displayName: String,
-		transferName: String,
-		senderName: String,
-		accessPolicy: ShareAccessPolicy,
-	): Result<Share> =
-		shareSources(
-			sources = listOf(
-				ShareSource(
-					kind = SourceKind.IOS_SECURITY_SCOPED_URL,
-					value = fileUrl,
-					displayName = displayName.ifBlank { fileUrl.substringAfterLast('/').ifBlank { "transfer" } },
-					isDirectory = false,
-				),
-			),
-			transferName = transferName,
-			senderName = senderName,
-			accessPolicy = accessPolicy,
-		)
-
 	override suspend fun inspectTicket(ticket: String): Result<TicketInspectionModel> = runCore {
 		requireCore().inspectTicket(ticket).toModel().also { inspection ->
 			_state.update { it.copy(lastInspection = inspection) }
@@ -154,17 +133,6 @@ class CoreRepository(
 		refreshSnapshot()
 	}
 
-	override suspend fun receiveIntoSecurityScopedDirectory(
-		ticket: String,
-		outputDirectoryUrl: String,
-		receiverName: String,
-	): Result<Unit> = runCore {
-		withPlatformPathAccess(SourceKind.IOS_SECURITY_SCOPED_URL, outputDirectoryUrl) {
-			requireCore().receive(ticket, outputDirectoryUrl, receiverName.ifBlank { null })
-		}
-		refreshSnapshot()
-	}
-
 	override suspend fun cancel(transferId: ULong): Result<Unit> = runCore {
 		requireCore().cancelTransfer(transferId)
 		refreshSnapshot()

shared/src/commonMain/kotlin/com/vnidrop/app/core/FilePicker.kt

@@ -10,9 +10,9 @@ data class PickedShareFile(
 	/** App-owned picker copy that may be deleted after import or when selection is abandoned. */
 	val isTemporaryCopy: Boolean = false,
 	/**
-	 * When true, [value] is a directory (filesystem path, iOS security-scoped
-	 * folder URL, or Android document tree URI). Platform share code expands or
-	 * walks it; Rust cannot treat an Android FD as a directory.
+	 * When true, [value] is a directory (filesystem path or Android document tree
+	 * URI). Platform share code expands or walks it; Rust cannot treat an Android
+	 * FD as a directory.
 	 */
 	val isDirectory: Boolean = false,
 )

shared/src/commonMain/kotlin/com/vnidrop/app/core/FileSystemService.kt

@@ -8,7 +8,6 @@ enum class ReceiveFolderKind {
 	/** Shared system Downloads via MediaStore (Android 10+). */
 	AndroidPublicDownloads,
 	AndroidTreeUri,
-	IosSecurityScopedUrl,
 }
 
 /** Stable token stored in preferences for [ReceiveFolderKind.AndroidPublicDownloads]. */

shared/src/commonMain/kotlin/com/vnidrop/app/core/PlatformFileAccess.kt

@@ -2,10 +2,8 @@ package com.vnidrop.app.core
 
 import uniffi.vnidrop.SourceKind
 
-// Platform file handles have different lifetime rules. Desktop paths need no
-// extra work, Rust duplicates Android fd sources immediately, and iOS
-// security-scoped URLs must remain leased while Rust performs the blocking
-// import/export call.
+// Desktop paths need no extra work, while Rust duplicates borrowed Android file
+// descriptors immediately before the platform closes them.
 internal expect suspend fun <T> withPlatformPathAccess(
 	kind: SourceKind,
 	value: String,

shared/src/commonMain/kotlin/com/vnidrop/app/feature/receive/ReceiveViewModel.kt

@@ -161,14 +161,10 @@ class ReceiveViewModel(
 				it.copy(isReceiving = true, lastReceiveError = null, activeReceiveTransferId = null)
 			}
 			val outputSink = fileSystemService.createReceiveOutputSink(folder)
-			val result = when {
-				outputSink != null -> repository.receiveWithOutputSink(current.ticket, outputSink, current.receiverName)
-				folder.kind == ReceiveFolderKind.IosSecurityScopedUrl -> repository.receiveIntoSecurityScopedDirectory(
-					current.ticket,
-					folder.value,
-					current.receiverName,
-				)
-				else -> repository.receive(current.ticket, folder.value, current.receiverName)
+			val result = if (outputSink != null) {
+				repository.receiveWithOutputSink(current.ticket, outputSink, current.receiverName)
+			} else {
+				repository.receive(current.ticket, folder.value, current.receiverName)
 			}
 			result.fold(
 				onSuccess = {