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⚡ AI Lessons
Dev.to · HideyukiMORI
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Half My Tests Failed and None Were Broken: My Shell Poisoned PHPUnit
I filed a bug for ~150 failing tests. I was wrong that they were broken, and then wrong twice about the cause. The real culprit was a stray env var in my shell
Dev.to · HideyukiMORI
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Why My Install Zip Won't Upload: 89MB, and Half Is a PDF Library's Fonts
My install package is 89MB and shared hosts cap uploads far below that. I blamed the wrong fonts until I actually unzipped it — and the fix I've designed isn't
Dev.to · HideyukiMORI
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
The Codemod Left My Build Red: I Committed Its Output Untouched Anyway
One codemod, four repos, four different gaps. Why I commit the machine's raw output as-is — even when it doesn't type-check — and fill the gap in a separate, pr
Dev.to · HideyukiMORI
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
A production fix trapped in a month-old feature PR: extract it and ship it alone
A production download bug rode along inside a feature PR that sat open for close to a month. The fix was to extract just the bug-fix subset and ship it on its o
Dev.to · HideyukiMORI
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Click a link, get a throwaway tenant: a zero-signup demo for a self-hosted app
How I built a try-it-now demo with disposable organizations: seeded data, session handoff via cookie paths, and a cron that quietly deletes everything.
Dev.to · HideyukiMORI
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Building a typed CMS for business data with PHP, OpenAPI, and MCP
A NeNe Records deep dive: why I am building a typed, API-first CMS for business data instead of a WordPress-compatible clone.
DeepCamp AI