AI automations unfortunately do not seem to get any input from Mirror columns.
Even though mirror columns can be selected as a tag in the custom block AI automations, the block will not be properly parsed and the AI won’t be able to see its input.
Example:
When mirroring the First Name from the contacts Board to the Tickets Board.
When there is an AI automation in the Tickets board trying to use the mirrored first name column, it won’t be able to read it.