macos: new terminal intent

macos/Sources/App/macOS/AppDelegate.swift

@@ -167,7 +167,7 @@ class AppDelegate: NSObject,
 
         // This registers the Ghostty => Services menu to exist.
         NSApp.servicesMenu = menuServices
-        
+
         // Setup a local event monitor for app-level keyboard shortcuts. See
         // localEventHandler for more info why.
         _ = NSEvent.addLocalMonitorForEvents(

macos/Sources/Features/App Intents/GhosttyIntentError.swift

@@ -0,0 +1,9 @@
+enum GhosttyIntentError: Error, CustomLocalizedStringResourceConvertible {
+    case appUnavailable
+
+    var localizedStringResource: LocalizedStringResource {
+        switch self {
+        case .appUnavailable: return "The Ghostty app isn't properly initialized."
+        }
+    }
+}

macos/Sources/Features/App Intents/NewTerminalIntent.swift

@@ -0,0 +1,81 @@
+import AppKit
+import AppIntents
+
+/// App intent that allows creating a new terminal window or tab.
+///
+/// This requires macOS 15 or greater because we use features of macOS 15 here.
+@available(macOS 15.0, *)
+struct NewTerminalIntent: AppIntent {
+    static var title: LocalizedStringResource = "New Terminal"
+    static var description = IntentDescription("Create a new terminal.")
+
+    @Parameter(
+        title: "Location",
+        description: "The location that the terminal should be created.",
+        default: .window
+    )
+    var location: NewTerminalLocation
+
+    @Parameter(
+        title: "Working Directory",
+        description: "The working directory to open in the terminal.",
+        supportedContentTypes: [.folder]
+    )
+    var workingDirectory: IntentFile?
+
+    @available(macOS 26.0, *)
+    static var supportedModes: IntentModes = .foreground(.immediate)
+
+    @available(macOS, obsoleted: 26.0, message: "Replaced by supportedModes")
+    static var openAppWhenRun = true
+
+    static var parameterSummary: some ParameterSummary {
+        Summary("New Terminal \(\.$location)")
+    }
+
+    @MainActor
+    func perform() async throws -> some IntentResult {
+        guard let appDelegate = NSApp.delegate as? AppDelegate else {
+            throw GhosttyIntentError.appUnavailable
+        }
+
+        var config = Ghostty.SurfaceConfiguration()
+
+        // If we were given a working directory then open that directory
+        if let url = workingDirectory?.fileURL {
+            let dir = url.hasDirectoryPath ? url : url.deletingLastPathComponent()
+            config.workingDirectory = dir.path(percentEncoded: false)
+        }
+
+        switch location {
+        case .window:
+            _ = TerminalController.newWindow(
+                appDelegate.ghostty,
+                withBaseConfig: config)
+
+        case .tab:
+            _ = TerminalController.newTab(
+                appDelegate.ghostty,
+                from: TerminalController.preferredParent?.window,
+                withBaseConfig: config)
+        }
+
+        return .result()
+    }
+}
+
+// MARK: NewTerminalLocation
+
+enum NewTerminalLocation: String {
+    case tab
+    case window
+}
+
+extension NewTerminalLocation: AppEnum {
+    static var typeDisplayRepresentation = TypeDisplayRepresentation(name: "Terminal Location")
+
+    static var caseDisplayRepresentations: [Self: DisplayRepresentation] = [
+        .tab: .init(title: "Tab"),
+        .window: .init(title: "Window"),
+    ]
+}

macos/Sources/Features/Terminal/TerminalController.swift

@@ -169,7 +169,7 @@ class TerminalController: BaseTerminalController, TabGroupCloseCoordinator.Contr
     private static var lastCascadePoint = NSPoint(x: 0, y: 0)
 
     // The preferred parent terminal controller.
-    private static var preferredParent: TerminalController? {
+    static var preferredParent: TerminalController? {
         all.first {
             $0.window?.isMainWindow ?? false
         } ?? all.last