minor fixes

internal/device/logic.go

@@ -114,7 +114,7 @@ func (s *DeviceState) handleReadCommand(cmd string) string {
 		if s.GetNCParam() {
 			value = 1
 		}
-		return fmt.Sprintf("PARAM: WNC=%d", value)
+		return fmt.Sprintf("PARAM: NC=%d", value)
 	}
 
 	// Extract parameter ID
@@ -151,8 +151,8 @@ func isValidParamID(id int) bool {
 
 // isReadableParamID checks if the parameter ID is readable
 func isReadableParamID(id int) bool {
-	// According to docs.toon, only R1, R2, R20 are documented
-	readableIDs := []int{1, 2, 20}
+	// All writable parameters are also readable
+	readableIDs := []int{1, 2, 3, 4, 11, 12, 20}
 	for _, v := range readableIDs {
 		if id == v {
 			return true