DECISION LAB
AN EXPERIMENT IN TYPED AI
FIELD NOTE 01PRODUCT × AI

Make the decision
legible.

Turn a real product situation into a clear, typed question for Jev. Copy the inputs into the TypeSafe Playground and see what comes back.

NO API KEY HERENO BACKENDJUST A BETTER FIRST TEST
01 / CHOOSE A SCENARIO

Start with a decision you recognize.

SIX DECISION EXPERIMENTS
INPUT / 01

The situation

STATE

Edit the context. Keep it factual; this is the evidence Jev will evaluate.

0 characters
INPUT / 02

The decision shape

COPY-READY JSON

The question instructions are plain English inside a ready-made structure. Copy this into the Playground; no JSON writing needed.

3 QUESTIONSjev.questions
Choice · Score · Noul
CHANGE ONE THING

TAKE THIS EXPERIMENT TOTypeSafe Playground
02 / RUN THE EXPERIMENT

Three small moves.
One useful signal.

  1. 01
    Copy the situation

    Paste it into the Playground’s State area.

  2. 02
    Copy the ready-made questions

    Paste the JSON into the Playground’s Questions editor. You don’t need to write it yourself.

  3. 03
    Run, then change one fact

    Compare the returned answer and probabilities. Ask what evidence moved them.