Have Codex Build a Visual Test Harness First

majidmanzarpour · x · 2026-07-14

The author advises that when using Codex with three.js, you should explicitly instruct it to build a visual test harness to verify outputs.

This type of testing framework helps catch errors early when generating 3D/visualization code, preventing scenarios where the code "seems to run but renders incorrectly." It's a highly practical workflow tip for coding agents.

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