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

EOF

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

internal/apphost/app.go

@@ -21,6 +21,7 @@ import (
 	"vpnclient/internal/protocols/hysteria2"
 	"vpnclient/internal/protocols/naive"
 	"vpnclient/internal/protocols/xray"
+	"vpnclient/internal/remnawave"
 	"vpnclient/internal/update"
 )
 
@@ -53,6 +54,7 @@ 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"`
 }
@@ -130,6 +132,7 @@ 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(),
 	}
@@ -240,6 +243,14 @@ 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)
+}
+
 func (a *App) PingServers() ([]netcheck.Result, error) {
 	return a.runPings()
 }
@@ -486,6 +497,18 @@ func (a *App) dispatch(name string, args []json.RawMessage) (any, error) {
 		return nil, a.SaveHy2(opts)
 	case "importSubscription":
 		return a.ImportSubscription(arg(args, 0, ""))
+	case "saveRemnawave":
+		var s remnawave.Settings
+		if len(args) > 0 {
+			_ = json.Unmarshal(args[0], &s)
+		}
+		return nil, a.SaveRemnawave(s)
+	case "importRemnawave":
+		var s remnawave.Settings
+		if len(args) > 0 {
+			_ = json.Unmarshal(args[0], &s)
+		}
+		return a.ImportRemnawave(s)
 	case "quit":
 		go func() {
 			time.Sleep(200 * time.Millisecond)