Add Store MSIX packaging and dark/light theme for 2.9.0.

EOF

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

internal/apphost/app.go

@@ -54,6 +54,7 @@ type UIState struct {
 	Pings         []netcheck.Result    `json:"pings"`
 	Subscription  string               `json:"subscription_url"`
 	Hy2           core.Hy2Options      `json:"hy2"`
+	StorePackaged bool                 `json:"store_packaged,omitempty"`
 }
 
 type PingBestResult struct {
@@ -130,6 +131,7 @@ func (a *App) GetState() (UIState, error) {
 		Pings:         append([]netcheck.Result(nil), a.Pings...),
 		Subscription:  cfg.SubscriptionURL,
 		Hy2:           a.Mgr.ActiveHy2Options(),
+		StorePackaged: update.IsStorePackaged(),
 	}
 	if out.Protocol == "" {
 		if p, err := cfg.ActiveProfile(); err == nil {
@@ -332,6 +334,9 @@ func (a *App) CheckUpdate() (update.Status, error) {
 }
 
 func (a *App) ApplyUpdate() (string, error) {
+	if update.IsStorePackaged() {
+		return "", fmt.Errorf("обновления устанавливаются через Microsoft Store")
+	}
 	// Explicit user action only — never called from AutoCheckUpdate.
 	st, err := a.CheckUpdate()
 	if err != nil {
@@ -361,6 +366,17 @@ func (a *App) ApplyUpdate() (string, error) {
 func (a *App) AutoCheckUpdate() {
 	// Only check and populate status for the banner — never auto-apply.
 	// Auto-apply previously caused endless download→relaunch loops on Mac/Windows.
+	if update.IsStorePackaged() {
+		a.mu.Lock()
+		a.UpdateStatus = update.Status{
+			Current:      update.DisplayVersion(),
+			ManifestURL:  update.DefaultManifestURL,
+			StoreManaged: true,
+			Notes:        "Обновления через Microsoft Store",
+		}
+		a.mu.Unlock()
+		return
+	}
 	time.Sleep(3 * time.Second)
 	_, _ = a.CheckUpdate()
 }