macos: invoke keybind intent

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

@@ -0,0 +1,32 @@
+import AppKit
+import AppIntents
+
+/// App intent that invokes a command palette entry.
+struct KeybindIntent: AppIntent {
+    static var title: LocalizedStringResource = "Invoke a Keybind Action"
+
+    @Parameter(
+        title: "Terminal",
+        description: "The terminal to base available commands from."
+    )
+    var terminal: TerminalEntity
+
+    @Parameter(
+        title: "Action",
+        description: "The keybind action to invoke. This can be any valid keybind action you could put in a configuration file."
+    )
+    var action: String
+
+    @available(macOS 26.0, *)
+    static var supportedModes: IntentModes = [.background, .foreground]
+
+    @MainActor
+    func perform() async throws -> some IntentResult & ReturnsValue<Bool> {
+        guard let surface = terminal.surfaceModel else {
+            throw GhosttyIntentError.surfaceNotFound
+        }
+
+        let performed = surface.perform(action: action)
+        return .result(value: performed)
+    }
+}