Run old and new together
We moved an electronics retailer off spreadsheets. The risk wasn't code. It was cutover.
Old and new ran in parallel. Mistakes cost nothing. Big-bang migrations ruin businesses — parallel is the fastest safe route.
Notes
Short notes,
written by hand.
Lessons from building for small businesses. They keep coming up.
Your weakest module sets security
Attackers don't attack your strongest door. They use the module where checks were forgotten.
Security is a property of the whole system. Or it isn't real.
Memory beats the model
We built 40+ cooperating agents. The hard problems were never the model. They were memory, visibility, permissions.
Ask the memory question first. It's the difference between demo and colleague.
Get paperwork. Keep your code.
A proper engagement has boring documents: agreement, schedule, maintenance. Boring means everyone knows who does what.
Insist in writing: code and data belong to you.
Questions