Release 3.8.2.6: perceived-speed UX — search, tray hide, core warm, SSE.

Server search/hotkeys; Windows close-to-tray; background EnsureCore; SSE status with rare poll fallback.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/apphost/app.go

@@ -39,9 +39,11 @@ type App struct {
 	Pings         []netcheck.Result
 	OpenURL       func(string) error
 	OnAfterUpdate func()
+	OnQuit        func()
 	APIToken      string
 	ctx           context.Context
 	cancel        context.CancelFunc
+	events        *eventBroker
 }
 
 type UIState struct {
@@ -81,11 +83,12 @@ type PingBestResult struct {
 func New(mgr *core.Manager, cfgPath string, logBuf *logbuf.Buffer) *App {
 	ctx, cancel := context.WithCancel(context.Background())
 	return &App{
-		Mgr:     mgr,
+		Mgr:    mgr,
 		CfgPath: cfgPath,
-		LogBuf:  logBuf,
-		ctx:     ctx,
-		cancel:  cancel,
+		LogBuf: logBuf,
+		ctx:    ctx,
+		cancel: cancel,
+		events: newEventBroker(),
 		UpdateStatus: update.Status{
 			Current:     update.DisplayVersion(),
 			ManifestURL: update.DefaultManifestURL,
@@ -257,8 +260,13 @@ func (a *App) CreateProfile(name, proxy string, systemProxy bool) error {
 
 func (a *App) SelectProfile(name string) error {
 	a.mu.Lock()
-	defer a.mu.Unlock()
-	return a.Mgr.SetActiveProfile(name)
+	err := a.Mgr.SetActiveProfile(name)
+	a.mu.Unlock()
+	if err == nil {
+		go a.warmActiveCore()
+		a.NotifyState("profile")
+	}
+	return err
 }
 
 func (a *App) DeleteProfile(name string) error {
@@ -305,6 +313,7 @@ func (a *App) ConnectProfile(name string) error {
 	for attempt := 0; attempt < 2; attempt++ {
 		if _, err := a.Mgr.EnsureCore(""); err != nil {
 			a.Mgr.SetLastError(err.Error())
+			a.NotifyState("error")
 			return err
 		}
 		ctx, cancel := context.WithTimeout(context.Background(), 45*time.Second)
@@ -320,6 +329,7 @@ func (a *App) ConnectProfile(name string) error {
 		pcancel()
 		if perr == nil {
 			dockicon.SetConnected(true)
+			a.NotifyState("connected")
 			return nil
 		}
 		last = fmt.Errorf("туннель не прошёл проверку: %w", perr)
@@ -329,12 +339,14 @@ func (a *App) ConnectProfile(name string) error {
 		time.Sleep(400 * time.Millisecond)
 	}
 	dockicon.SetConnected(false)
+	a.NotifyState("error")
 	return last
 }
 
 func (a *App) Disconnect() error {
 	err := a.Mgr.Disconnect()
 	dockicon.SetConnected(false)
+	a.NotifyState("disconnected")
 	return err
 }
 
@@ -367,6 +379,7 @@ func (a *App) SavePrefs(connectOnLaunch, autoReconnect, systemProxy bool) error
 func (a *App) StartBackground() {
 	go a.watchdogLoop()
 	go a.dockIconLoop()
+	go a.warmActiveCore()
 	prefs := a.Mgr.Prefs()
 	if prefs.ConnectOnLaunch {
 		go func() {
@@ -383,6 +396,20 @@ func (a *App) StartBackground() {
 	}
 }
 
+// warmActiveCore downloads/resolves the binary for the active profile protocol.
+// Non-blocking; Connect still EnsureCore if this has not finished yet.
+func (a *App) warmActiveCore() {
+	select {
+	case <-a.ctx.Done():
+		return
+	case <-time.After(350 * time.Millisecond):
+	}
+	if _, err := a.Mgr.EnsureCore(""); err != nil {
+		// Soft fail — Connect will surface the error if the user tries.
+		return
+	}
+}
+
 func (a *App) dockIconLoop() {
 	dockicon.SetConnected(false)
 	var last bool
@@ -620,6 +647,7 @@ func (a *App) Handler() http.Handler {
 		}
 		_, _ = io.WriteString(w, html)
 	})
+	mux.HandleFunc("/api/events", a.handleEvents)
 	mux.HandleFunc("/api/", a.handleAPI)
 	return mux
 }
@@ -721,6 +749,11 @@ func (a *App) dispatch(name string, args []json.RawMessage) (any, error) {
 		go func() {
 			time.Sleep(200 * time.Millisecond)
 			_ = a.Mgr.Disconnect()
+			a.Shutdown()
+			if a.OnQuit != nil {
+				a.OnQuit()
+				return
+			}
 			os.Exit(0)
 		}()
 		return "ok", nil