fix how platforms are architecture filtered

Xcodes/Frontend/InfoPane/PlatformsView.swift

@@ -11,7 +11,7 @@ import XcodesKit
 
 struct PlatformsView: View {
     @EnvironmentObject var appState: AppState
-    @AppStorage("selectedRuntimeArchitecture") private var selectedRuntimeArchitecture: Architecture = .arm64
+    @AppStorage("selectedRuntimeArchitecture") private var selectedVariant: ArchitectureVariant = .universal
 
     let xcode: Xcode
  
@@ -22,7 +22,9 @@ struct PlatformsView: View {
             appState.downloadableRuntimes.filter {
                 $0.sdkBuildUpdate?.contains(sdkBuild) ?? false &&
                 ($0.architectures?.isEmpty ?? true ||
-                $0.architectures?.contains(selectedRuntimeArchitecture) ?? false)
+                 ($0.architectures?.isUniversal ?? false && selectedVariant == .universal) ||
+                 ($0.architectures?.isAppleSilicon ?? false && selectedVariant == .appleSilicon)
+                )
             }
         }
         
@@ -35,8 +37,8 @@ struct PlatformsView: View {
                     .frame(maxWidth: .infinity, alignment: .leading)
                 if !architectures.isEmpty {
                     Spacer()
-                    Picker("Architecture", selection: $selectedRuntimeArchitecture) {
-                        ForEach(Architecture.allCases, id: \.self) { arch in
+                    Picker("Architecture", selection: $selectedVariant) {
+                        ForEach(ArchitectureVariant.allCases, id: \.self) { arch in
                             Label(arch.displayString, systemImage: arch.iconName)
                                 .tag(arch)
                         }
@@ -73,6 +75,7 @@ struct PlatformsView: View {
                 ForEach(runtime.architectures ?? [], id: \.self) { architecture in
                     TagView(text: architecture.displayString)
                 }
+               
                 pathIfAvailable(xcode: xcode, runtime: runtime)
                 
                 if runtime.installState == .notInstalled {

Xcodes/Resources/Licenses.rtf

@@ -1,4 +1,4 @@
-{\rtf1\ansi\ansicpg1252\cocoartf2822
+{\rtf1\ansi\ansicpg1252\cocoartf2865
 \cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fnil\fcharset0 .SFNS-Regular;}
 {\colortbl;\red255\green255\blue255;}
 {\*\expandedcolortbl;;}

Xcodes/Resources/Localizable.xcstrings

@@ -4819,6 +4819,9 @@
           }
         }
       }
+    },
+    "Architecture" : {
+
     },
     "Authenticating" : {
       "extractionState" : "manual",
@@ -5683,6 +5686,9 @@
           }
         }
       }
+    },
+    "Category" : {
+
     },
     "Change" : {
       "localizations" : {
@@ -9239,6 +9245,9 @@
           }
         }
       }
+    },
+    "FilterArchitecturesDescription" : {
+
     },
     "FilterAvailableDescription" : {
       "localizations" : {
@@ -13462,6 +13471,9 @@
           }
         }
       }
+    },
+    "Installed Only" : {
+
     },
     "InstallHelper" : {
       "localizations" : {

Xcodes/XcodesKit/Package.swift

@@ -5,7 +5,7 @@ import PackageDescription
 
 let package = Package(
     name: "XcodesKit",
-    platforms: [.macOS(.v11)],
+    platforms: [.macOS(.v13)],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(

Xcodes/XcodesKit/Sources/XcodesKit/Models/XcodeReleases/Architecture.swift

@@ -35,8 +35,37 @@ public enum Architecture: String, Codable, Equatable, Hashable, Identifiable, Ca
     }
 }
 
+public enum ArchitectureVariant: String, Codable, Equatable, Hashable, Identifiable, CaseIterable {
+    public var id: Self { self }
+    
+    case universal
+    case appleSilicon
+    
+    public var displayString: String {
+        switch self {
+        case .appleSilicon:
+            return "Apple Silicon"
+        case .universal:
+            return "Universal"
+        }
+    }
+    
+    public var iconName: String {
+        switch self {
+            case .appleSilicon:
+                return "m4.button.horizontal"
+            case .universal:
+                return "cpu.fill"
+        }
+    }
+}
+
 extension Array where Element == Architecture {
     public var isAppleSilicon: Bool {
         self == [.arm64]
     }
+    
+    public var isUniversal: Bool {
+        self.contains([.arm64, .x86_64])
+    }
 }