macos: fix various iOS build errors

macos/Sources/Ghostty/Surface View/SurfaceGrabHandle.swift

@@ -53,6 +53,7 @@ extension Ghostty {
             // make sure on new drags the screenshot is updated.
             TimelineView(.periodic(from: .now, by: 1.0 / 30.0)) { _ in
                 if let snapshot = surfaceView.asImage {
+                    #if canImport(AppKit)
                     Image(nsImage: snapshot)
                         .resizable()
                         .aspectRatio(contentMode: .fit)
@@ -62,6 +63,17 @@ extension Ghostty {
                         )
                         .clipShape(RoundedRectangle(cornerRadius: 8))
                         .shadow(radius: 10)
+                    #elseif canImport(UIKit)
+                    Image(uiImage: snapshot)
+                        .resizable()
+                        .aspectRatio(contentMode: .fit)
+                        .frame(
+                            width: snapshot.size.width * scale,
+                            height: snapshot.size.height * scale
+                        )
+                        .clipShape(RoundedRectangle(cornerRadius: 8))
+                        .shadow(radius: 10)
+                    #endif
                 }
             }
         }

macos/Sources/Ghostty/Surface View/SurfaceView+Transferable.swift

@@ -1,4 +1,6 @@
+#if canImport(AppKit)
 import AppKit
+#endif
 import CoreTransferable
 import UniformTypeIdentifiers
 
@@ -29,6 +31,7 @@ extension Ghostty.SurfaceView: Transferable {
     
     @MainActor
     static func find(uuid: UUID) -> Self? {
+        #if canImport(AppKit)
         for window in NSApp.windows {
             guard let controller = window.windowController as? BaseTerminalController else {
                 continue
@@ -39,6 +42,7 @@ extension Ghostty.SurfaceView: Transferable {
                 }
             }
         }
+        #endif
         
         return nil
     }

macos/Sources/Ghostty/Surface View/SurfaceView_UIKit.swift

@@ -4,8 +4,10 @@ import GhosttyKit
 extension Ghostty {
     /// The UIView implementation for a terminal surface.
     class SurfaceView: UIView, ObservableObject {
+        typealias ID = UUID
+
         /// Unique ID per surface
-        let uuid: UUID
+        let id: UUID
 
         // The current title of the surface as defined by the pty. This can be
         // changed with escape codes. This is public because the callbacks go
@@ -63,7 +65,7 @@ extension Ghostty {
         private(set) var surface: ghostty_surface_t?
 
         init(_ app: ghostty_app_t, baseConfig: SurfaceConfiguration? = nil, uuid: UUID? = nil) {
-            self.uuid = uuid ?? .init()
+            self.id = uuid ?? .init()
 
             // Initialize with some default frame size. The important thing is that this
             // is non-zero so that our layer bounds are non-zero so that our renderer