fix: restore Windows tray lifecycle

internal/api/app.go

@@ -11,6 +11,7 @@ import (
 	"path/filepath"
 	"sort"
 	"strings"
+	"sync"
 	"sync/atomic"
 	"time"
 
@@ -100,6 +101,8 @@ type App struct {
 	browserInboxEvents  map[string]bool
 	browserInboxEnabled atomic.Bool
 	allowQuit           atomic.Bool
+	trayReady           atomic.Bool
+	quitOnce            sync.Once
 }
 
 // SetNotificationService attaches the core-owned plugin notification scheduler.
@@ -221,11 +224,23 @@ func (a *App) Shutdown(ctx context.Context) {
 	cleanupNativeNotifications(ctx)
 }
 
-// BeforeClose hides the primary window until the user explicitly quits from the tray.
+// SetTrayReady reports whether the native tray can safely return a hidden window.
+func (a *App) SetTrayReady(ready bool) {
+	if a != nil {
+		a.trayReady.Store(ready)
+	}
+}
+
+// BeforeClose hides the primary window only after the native tray has confirmed
+// that it can return the window. Otherwise the normal Wails close path exits.
 func (a *App) BeforeClose(ctx context.Context) bool {
 	if a.allowQuit.Load() {
 		return false
 	}
+	if !a.trayReady.Load() {
+		log.Printf("[app] tray is unavailable; allowing normal window close")
+		return false
+	}
 	hideNativeWindow(ctx)
 	return true
 }
@@ -243,10 +258,12 @@ func (a *App) Quit() {
 	if a == nil {
 		return
 	}
-	a.allowQuit.Store(true)
-	if a.ctx != nil {
-		quitNativeApplication(a.ctx)
-	}
+	a.quitOnce.Do(func() {
+		a.allowQuit.Store(true)
+		if a.ctx != nil {
+			quitNativeApplication(a.ctx)
+		}
+	})
 }
 
 // NativeNotificationSender delivers scheduler items through the Wails runtime.

internal/api/app_test.go

@@ -319,7 +319,7 @@ func TestNativeNotificationSenderUsesStablePluginScopedID(t *testing.T) {
 	}
 }
 
-func TestBeforeCloseHidesWindowUntilUserChoosesQuit(t *testing.T) {
+func TestBeforeCloseAllowsExitUntilTrayIsReady(t *testing.T) {
 	oldHide := hideNativeWindow
 	defer func() { hideNativeWindow = oldHide }()
 
@@ -327,8 +327,25 @@ func TestBeforeCloseHidesWindowUntilUserChoosesQuit(t *testing.T) {
 	hideNativeWindow = func(context.Context) { hideCalls++ }
 	app := &App{}
 
+	if prevent := app.BeforeClose(context.Background()); prevent {
+		t.Fatal("BeforeClose() = true, want false while tray is unavailable")
+	}
+	if hideCalls != 0 {
+		t.Fatalf("hide calls = %d, want 0", hideCalls)
+	}
+}
+
+func TestBeforeCloseHidesWindowAfterTrayIsReady(t *testing.T) {
+	oldHide := hideNativeWindow
+	defer func() { hideNativeWindow = oldHide }()
+
+	hideCalls := 0
+	hideNativeWindow = func(context.Context) { hideCalls++ }
+	app := &App{}
+	app.SetTrayReady(true)
+
 	if prevent := app.BeforeClose(context.Background()); !prevent {
-		t.Fatal("BeforeClose() = false, want true while tray mode is active")
+		t.Fatal("BeforeClose() = false, want true while tray is ready")
 	}
 	if hideCalls != 1 {
 		t.Fatalf("hide calls = %d, want 1", hideCalls)
@@ -353,6 +370,22 @@ func TestTrayQuitAllowsWindowCloseAndQuitsApplication(t *testing.T) {
 	}
 }
 
+func TestTrayQuitRequestsNativeShutdownOnlyOnce(t *testing.T) {
+	oldQuit := quitNativeApplication
+	defer func() { quitNativeApplication = oldQuit }()
+
+	quitCalls := 0
+	quitNativeApplication = func(context.Context) { quitCalls++ }
+	app := &App{ctx: context.Background()}
+
+	app.Quit()
+	app.Quit()
+
+	if quitCalls != 1 {
+		t.Fatalf("native quit calls = %d, want 1", quitCalls)
+	}
+}
+
 func TestShowWindowUsesWailsContext(t *testing.T) {
 	oldShow := showNativeWindow
 	defer func() { showNativeWindow = oldShow }()