Twelve steps of one Codex command

From pressing Enter to writing the result back and finishing the turn. Each step has a job, a source entry, and a design worth borrowing.

A flow map compiled from the article, with code dated 2026-10-01. A simplified path, not the full call stack.

An interactive 12-step map with an overview and a step-by-step walkthrough. Nodes can be dragged and zoomed, and each step opens its responsibility, design note, and GitHub source entry. Solid lines are one complete example; the dashed line returns to step 5 when another tool call is still needed.