macos: search input starts the search up

macos/Sources/Ghostty/SurfaceView.swift

@@ -391,7 +391,6 @@ extension Ghostty {
     struct SurfaceSearchOverlay: View {
         let surfaceView: SurfaceView
         @Binding var searchState: SurfaceView.SearchState?
-        @State private var searchText: String = ""
         @State private var corner: Corner = .topRight
         @State private var dragOffset: CGSize = .zero
         @State private var barSize: CGSize = .zero
@@ -402,7 +401,10 @@ extension Ghostty {
         var body: some View {
             GeometryReader { geo in
                 HStack(spacing: 8) {
-                    TextField("Search", text: $searchText)
+                    TextField("Search", text: Binding(
+                        get: { searchState?.needle ?? "" },
+                        set: { searchState?.needle = $0 }
+                    ))
                         .textFieldStyle(.plain)
                         .frame(width: 180)
                         .padding(.horizontal, 8)
@@ -436,9 +438,6 @@ extension Ghostty {
                 .cornerRadius(8)
                 .shadow(radius: 4)
                 .onAppear {
-                    if let needle = searchState?.needle {
-                        searchText = needle
-                    }
                     isSearchFieldFocused = true
                 }
                 .onReceive(NotificationCenter.default.publisher(for: .ghosttySearchFocus)) { notification in

macos/Sources/Ghostty/SurfaceView_AppKit.swift

@@ -1,4 +1,5 @@
 import AppKit
+import Combine
 import SwiftUI
 import CoreText
 import UserNotifications
@@ -67,15 +68,23 @@ extension Ghostty {
         // The current search state. When non-nil, the search overlay should be shown.
         @Published var searchState: SearchState? = nil {
             didSet {
-                // If the search state becomes nil, we need to make sure we're stopping
-                // the search internally.
-                if searchState == nil {
+                if let searchState {
+                    searchNeedleCancellable = searchState.$needle.sink { [weak self] needle in
+                        guard let surface = self?.surface else { return }
+                        let action = "search:\(needle)"
+                        ghostty_surface_binding_action(surface, action, UInt(action.count))
+                    }
+                } else {
+                    searchNeedleCancellable = nil
                     guard let surface = self.surface else { return }
                     let action = "search:"
                     ghostty_surface_binding_action(surface, action, UInt(action.count))
                 }
             }
         }
+        
+        // Cancellable for search state needle changes
+        private var searchNeedleCancellable: AnyCancellable?
 
         // The time this surface last became focused. This is a ContinuousClock.Instant
         // on supported platforms.

src/Surface.zig

@@ -4879,7 +4879,7 @@ pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool
 
         .start_search => if (self.search == null) {
             // To save resources, we don't actually start a search here,
-            // we just notify teh apprt. The real thread will start when
+            // we just notify the apprt. The real thread will start when
             // the first needles are set.
             _ = try self.rt_app.performAction(
                 .{ .surface = self },