A SMALL LAB FOR BIG MISCONCEPTIONS
It works.
Until it doesn't.
Explore the invisible assumptions that break software.
Make a prediction. Run the experiment. Take the fix home.
No signup. No API keys. Runs on your machine.
evt_42 PAYMENT RECEIVED
↓↓↓
delivery 1retry 2retry 3
↓↓↓
Expected 100Actual 300
01 PREDICT02 BREAK03 UNDERSTAND04 REPAIR05 KEEP THE TEST
THE COLLECTION
Six ways to be surprised.
0 / 6 fixes explored
A small failure. A better mental model.
Every experiment includes a reproducible failure, a repair, and a test you can adapt. These are teaching models with explicit boundaries.