first commit

internal/usb/usbdevfs_windows.go

@@ -0,0 +1,19 @@
+//go:build windows
+
+package usb
+
+import "fmt"
+
+// DeviceHandle provides USB device access (Windows stub)
+type DeviceHandle struct{}
+
+func OpenDevice(devPath string, busID string) (*DeviceHandle, error) {
+	return nil, fmt.Errorf("USB device access not yet implemented on Windows")
+}
+
+func (h *DeviceHandle) Close() error                 { return nil }
+func (h *DeviceHandle) Fd() int                       { return -1 }
+func (h *DeviceHandle) DisconnectDriver() error       { return fmt.Errorf("not implemented") }
+func (h *DeviceHandle) ConnectDriver() error          { return fmt.Errorf("not implemented") }
+func (h *DeviceHandle) ClaimInterface(uint32) error   { return fmt.Errorf("not implemented") }
+func (h *DeviceHandle) ReleaseInterface(uint32) error { return fmt.Errorf("not implemented") }