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The Bug That Taught Me to Think Like a User

The Bug That Taught Me to Think Like a User

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3 min read
A 200 OK Is Not Evidence: Five Hosted-Model Myths and a Three-Gate Probe

A 200 OK Is Not Evidence: Five Hosted-Model Myths and a Three-Gate Probe

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6 min read
My nightly eval gate went red on prompts nobody touched. The judge had changed its mind

My nightly eval gate went red on prompts nobody touched. The judge had changed its mind

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5 min read
Do not guess which CSV column contains the URL

Do not guess which CSV column contains the URL

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2 min read
React Email Tests Need a Fixture Factory

React Email Tests Need a Fixture Factory

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4 min read
Right Answer, Wrong Path: Two Ways to Catch AI Agent Regressions

Right Answer, Wrong Path: Two Ways to Catch AI Agent Regressions

Comments 2
8 min read
Run the Draft Twice: Use Generation Variance to Decide What a Human Must Own

Run the Draft Twice: Use Generation Variance to Decide What a Human Must Own

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7 min read
Your Clean Architecture Diagram Is Decoration Until CI Breaks It

Your Clean Architecture Diagram Is Decoration Until CI Breaks It

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3 min read
The Bug Is in the Files: Characterize Filesystem Side Effects Before a Messy Refactor

The Bug Is in the Files: Characterize Filesystem Side Effects Before a Messy Refactor

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5 min read
Right Deadline, Wrong Party: Our AI Checks Accepted 28 of 28 Wrong Answers

Right Deadline, Wrong Party: Our AI Checks Accepted 28 of 28 Wrong Answers

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4 min read
Firefox Browser Automation: Playwright, Selenium, and Headless Mode

Firefox Browser Automation: Playwright, Selenium, and Headless Mode

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3 min read
Testing Idempotency, Webhooks, and Race Conditions in Payment APIs

Testing Idempotency, Webhooks, and Race Conditions in Payment APIs

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3 min read
Your agent loop will fail silently. Here are three checks that catch it.

Your agent loop will fail silently. Here are three checks that catch it.

Comments 3
7 min read
Watch an AI agent test a mobile app

Watch an AI agent test a mobile app

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3 min read
Cross-Browser Testing: Firefox Quirks, Playwright, and a Pre-Ship Checklist

Cross-Browser Testing: Firefox Quirks, Playwright, and a Pre-Ship Checklist

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3 min read
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