Release 3.9.0+1: Remnawave API configs, Remnawave-style UI with flags, Windows build.

EOF

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

cmd/vpnapp/main_windows.go

@@ -25,6 +25,7 @@ import (
 	"vpnclient/internal/protocols/hysteria2"
 	"vpnclient/internal/protocols/naive"
 	"vpnclient/internal/protocols/xray"
+	"vpnclient/internal/remnawave"
 	"vpnclient/internal/update"
 )
 
@@ -55,6 +56,7 @@ type uiState struct {
 	Update        update.Status        `json:"update"`
 	Pings         []netcheck.Result    `json:"pings"`
 	Subscription  string               `json:"subscription_url"`
+	Remnawave     remnawave.Settings   `json:"remnawave"`
 	Hy2           core.Hy2Options      `json:"hy2"`
 	StorePackaged bool                 `json:"store_packaged,omitempty"`
 }
@@ -143,6 +145,8 @@ func main() {
 	mustBind(w, "applyUpdate", a.applyUpdate)
 	mustBind(w, "saveHy2", a.saveHy2)
 	mustBind(w, "importSubscription", a.importSubscription)
+	mustBind(w, "saveRemnawave", a.saveRemnawave)
+	mustBind(w, "importRemnawave", a.importRemnawave)
 
 	go a.autoCheckUpdate()
 
@@ -209,6 +213,7 @@ func (a *app) getState() (uiState, error) {
 		Update:        a.updateStatus,
 		Pings:         append([]netcheck.Result(nil), a.pings...),
 		Subscription:  cfg.SubscriptionURL,
+		Remnawave:     a.mgr.RemnawaveSettings(),
 		Hy2:           a.mgr.ActiveHy2Options(),
 		StorePackaged: update.IsStorePackaged(),
 	}
@@ -326,6 +331,14 @@ func (a *app) importSubscription(rawURL string) (int, error) {
 	return a.mgr.ImportSubscription(rawURL)
 }
 
+func (a *app) saveRemnawave(s remnawave.Settings) error {
+	return a.mgr.SaveRemnawaveSettings(s)
+}
+
+func (a *app) importRemnawave(s remnawave.Settings) (int, error) {
+	return a.mgr.ImportRemnawave(s)
+}
+
 type pingBestResult struct {
 	Pings     []netcheck.Result `json:"pings"`
 	BestName  string            `json:"best_name,omitempty"`