feat: add SerialInterface stub with error handling for non-TinyGo targets

pkg/interfaces/serial_stub.go

@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: 0BSD
+// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
+//go:build !tinygo
+
+package interfaces
+
+import (
+	"fmt"
+)
+
+type SerialInterface struct {
+	BaseInterface
+}
+
+func NewSerialInterface(name string, portName string, baud uint32, enabled bool) (*SerialInterface, error) {
+	return nil, fmt.Errorf("SerialInterface is only supported on TinyGo targets currently")
+}
+
+func (si *SerialInterface) Start() error {
+	return fmt.Errorf("SerialInterface is only supported on TinyGo targets currently")
+}
+
+func (si *SerialInterface) Stop() error {
+	return nil
+}
+
+func (si *SerialInterface) Send(data []byte, address string) error {
+	return fmt.Errorf("SerialInterface is only supported on TinyGo targets currently")
+}
+