if you're going to use agentic AI
Wait!
or get something into the vendor's contract to cover knowledge transfer to perm staff and/or documentation or stick something in the contract to say anything broken will be fixed on a time and materials.
The biggest winners are the vendors, applying bullshit to a process that's been running for years, they know will eventually break and give them more work to fix it and the company is the mug for thinking it will all be done by agentic AI, Tommy Cooper "Just like that". It's probably sacrilege to use AI and Tommy in the same sentence since he was a legend and AI has a long way to go