Refine WireGuard client routing and authentication UI

client/tunnel-go/route_other.go

@@ -0,0 +1,12 @@
+//go:build !darwin
+
+package main
+
+import (
+	"errors"
+	"net/netip"
+)
+
+func physicalExitFor(_ netip.Addr) (physicalRoute, error) {
+	return physicalRoute{}, errors.New("当前平台尚不支持系统隧道网络配置")
+}