133 traps actually stepped on while building with AI coding agents. More than half never throw. They report success, and nothing happened.
When you are standing on the mine, the symptom is all you can see.
Where the shell quietly changes your values
When the data is right but the result isn't
How unattended things stop without telling you
What actually happened when it said done
Invisible walls in crons and external services
The ways a success response lies