macOS: hook up full action execution

macos/Sources/Features/Command Palette/CommandPalette.swift

@@ -47,7 +47,6 @@ struct CommandPaletteView: View {
 
     var body: some View {
         VStack(alignment: .leading, spacing: 0) {
-            // Prompt Field
             CommandPaletteQuery(query: $query) { event in
                 switch (event) {
                 case .exit:

macos/Sources/Features/Terminal/BaseTerminalController.swift

@@ -291,6 +291,15 @@ class BaseTerminalController: NSWindowController,
 
     func zoomStateDidChange(to: Bool) {}
 
+    func performAction(_ action: String, on surfaceView: Ghostty.SurfaceView) {
+        guard let surface = surfaceView.surface else { return }
+        let len = action.utf8CString.count
+        if (len == 0) { return }
+        _ = action.withCString { cString in
+            ghostty_surface_binding_action(surface, cString, UInt(len - 1))
+        }
+    }
+
     // MARK: Fullscreen
 
     /// Toggle fullscreen for the given mode.

macos/Sources/Features/Terminal/TerminalView.swift

@@ -23,6 +23,9 @@ protocol TerminalViewDelegate: AnyObject {
 
     /// This is called when a split is zoomed.
     func zoomStateDidChange(to: Bool)
+
+    /// Perform an action. At the time of writing this is only triggered by the command palette.
+    func performAction(_ action: String, on: Ghostty.SurfaceView)
 }
 
 /// The view model is a required implementation for TerminalView callers. This contains
@@ -141,7 +144,7 @@ struct TerminalView<ViewModel: TerminalViewModel>: View {
                         surfaceView: surfaceView,
                         isPresented: $viewModel.commandPaletteIsShowing,
                         ghosttyConfig: ghostty.config) { action in
-                        print(action)
+                        self.delegate?.performAction(action, on: surfaceView)
                     }
                 }
             }