It would be very beneficial to be able to add an Undo Intent for every intent in sentences ini. So if Rhasspy recognizes a wrong voice command one can simply call the wake word and undo. This would probably require a history of the last message, but maybe this can be retrieved from the mqtt broker? The service could even be external, but the undo intent definition would be great to have in the same place.
wall-e start cleaning
wall-e stop cleaning