"A support document for a half-built feature came back with "not implemented yet" scattered through it. Claude and Codex both prop drill, write tests for 1+1 and over-disclose, and most of it is tunnel vision: the task in hand feels like the most important thing in the world. My partial fix is separate steps in separate contexts. https://jonathannen.com/tunnel-vision/

Share this with others on x.com, LinkedIn, Facebook, Reddit, or Email.

Discuss on Hacker News.

Filed under AI, Code, and 100PR .

Published: 01 Nov 2026 by Jon Williams. Follow me x.com/jonathannen..