add gui version

client/ui/services/version.go

@@ -0,0 +1,25 @@
+//go:build !android && !ios && !freebsd && !js
+
+package services
+
+import (
+	"context"
+
+	"github.com/netbirdio/netbird/version"
+)
+
+// Version is the Wails-bound facade exposing the GUI version baked in at
+// build time via -ldflags. The tray reads version.NetbirdVersion() directly;
+// this service exists so the React layer can show the same string instead
+// of the static placeholder in frontend/package.json.
+type Version struct{}
+
+func NewVersion() *Version {
+	return &Version{}
+}
+
+// GUI returns the GUI version string (e.g. "0.65.0" in release builds,
+// "development" in dev builds).
+func (s *Version) GUI(_ context.Context) (string, error) {
+	return version.NetbirdVersion(), nil
+}