Release 3.8.2.2: macOS Dock icon turns sea-wave N when connected.

Swap application icon on connect/disconnect via AppKit; ship arm64 build.

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

internal/apphost/app.go

@@ -18,6 +18,7 @@ import (
 	"vpnclient/internal/config"
 	"vpnclient/internal/core"
 	"vpnclient/internal/corebin"
+	"vpnclient/internal/dockicon"
 	"vpnclient/internal/logbuf"
 	"vpnclient/internal/netcheck"
 	"vpnclient/internal/protocols/awg"
@@ -264,18 +265,23 @@ func (a *App) ConnectProfile(name string) error {
 		perr := a.Mgr.Probe(pctx, "")
 		pcancel()
 		if perr == nil {
+			dockicon.SetConnected(true)
 			return nil
 		}
 		last = fmt.Errorf("туннель не прошёл проверку: %w", perr)
 		a.Mgr.SetLastError(last.Error())
 		_ = a.Mgr.Disconnect()
+		dockicon.SetConnected(false)
 		time.Sleep(400 * time.Millisecond)
 	}
+	dockicon.SetConnected(false)
 	return last
 }
 
 func (a *App) Disconnect() error {
-	return a.Mgr.Disconnect()
+	err := a.Mgr.Disconnect()
+	dockicon.SetConnected(false)
+	return err
 }
 
 func (a *App) GetLogs() string {
@@ -303,9 +309,10 @@ func (a *App) SavePrefs(connectOnLaunch, autoReconnect, systemProxy bool) error
 	})
 }
 
-// StartBackground runs reconnect-on-crash and optional connect-on-launch.
+// StartBackground runs reconnect-on-crash, optional connect-on-launch, and Dock icon sync.
 func (a *App) StartBackground() {
 	go a.watchdogLoop()
+	go a.dockIconLoop()
 	prefs := a.Mgr.Prefs()
 	if prefs.ConnectOnLaunch {
 		go func() {
@@ -318,6 +325,21 @@ func (a *App) StartBackground() {
 	}
 }
 
+func (a *App) dockIconLoop() {
+	dockicon.SetConnected(false)
+	var last bool
+	first := true
+	for {
+		time.Sleep(400 * time.Millisecond)
+		up := a.Mgr.Status().Connected
+		if first || up != last {
+			first = false
+			last = up
+			dockicon.SetConnected(up)
+		}
+	}
+}
+
 func (a *App) watchdogLoop() {
 	for {
 		time.Sleep(2 * time.Second)