Paths/Codex Engineer/Testing with Codex / Failing Tests
Run the Red-Green Loop
Red, green, refactor - with an agent in the loop the discipline matters more, not less. Write the loop your team runs.
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01Requirements
live checks- File ~/codex/tests/loop.md exists○
- The document states the three steps of the loop○
- The document states the rule about the agent and the red test○
02Walkthrough
1 of 4 revealed- 01
Create the tests directory
The loop is a shared habit, so it is written down.
mkdir -p ~/codex/tests - 3 locked · each failed submit reveals one
03Stuck?
0 of 3 revealedTake a hint without losing the lab — each one points at the thing to look at, not at the answer.
04AI Tutor
guides, never solvesTell me what you're stuck on — I'll nudge, not solve. Which requirement are you looking at?
04Notebook
saved locally in this browserlearner@lab — ubuntu:24.04
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