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Sidekick Lab
by Ichiro Murata

Development Log

A record of what I ran into, tried, and chose while building SideKick.

Website

When the template and production diverged, the tests said nothing

While working on site updates, I found three cases where fixes to templates were never reflected in the live HTML, and one test whose results changed depending on how it was run. In every case, nothing went wrong at the moment the problem was introduced — symptoms only appeared the next time someone rebuilt or re-ran something.

SideKick

Tracking down why AI mask generation never finishes, one suspect at a time

In certain environments, the AI mask generation feature in SideKick Star would stall mid-process and never complete. Each promising hypothesis turned out to be wrong, and the fix I eventually landed on came from a different direction entirely. This is a record of that investigation.

SideKick Star

AI Development

Published the first English Knowledge articles after author review

I published the first English-language articles for the Uchide no Kozuchi (Knowledge Base). The workflow I had built earlier — having AI translate articles and write Japanese-language review reports so I can make a publish decision without reading the English myself — ran on a real set of articles for the first time, and those articles are now live.