Fix platform-specific errors on tvOS, Linux (#240)

Author: stephencelis

Sources/SQLiteData/Internal/DataManager.swift renamed to Sources/SQLiteData/CloudKit/Internal/DataManager.swift

@@ -0,0 +1,56 @@
+#if canImport(CloudKit)
+  import Dependencies
+
+  package struct UserDatabase {
+    package let database: any DatabaseWriter
+    package init(database: any DatabaseWriter) {
+      self.database = database
+    }
+
+    var path: String {
+      database.path
+    }
+
+    var configuration: Configuration {
+      database.configuration
+    }
+
+    package func write<T: Sendable>(
+      _ updates: @Sendable (Database) throws -> T
+    ) async throws -> T {
+      try await database.write { db in
+        try $_isSynchronizingChanges.withValue(true) {
+          try updates(db)
+        }
+      }
+    }
+
+    package func read<T: Sendable>(
+      _ updates: @Sendable (Database) throws -> T
+    ) async throws -> T {
+      try await database.read { db in
+        try updates(db)
+      }
+    }
+
+    @_disfavoredOverload
+    package func write<T>(
+      _ updates: (Database) throws -> T
+    ) throws -> T {
+      try database.write { db in
+        try $_isSynchronizingChanges.withValue(true) {
+          try updates(db)
+        }
+      }
+    }
+
+    @_disfavoredOverload
+    package func read<T>(
+      _ updates: (Database) throws -> T
+    ) throws -> T {
+      try database.read { db in
+        try updates(db)
+      }
+    }
+  }
+#endif

Sources/SQLiteData/CloudKit/Internal/UserDatabase.swift

@@ -2,7 +2,7 @@
   import CryptoKit
   import Foundation
 
-  @available(iOS 17, macOS 14, tvOS 14, watchOS 10, *)
+  @available(iOS 17, macOS 14, tvOS 17, watchOS 10, *)
   extension SyncEngine {
     /// Migrates integer primary-keyed tables and tables without primary keys to
     /// CloudKit-compatible, UUID primary keys.