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What a Failed Ebook Purchase Taught Me About Actually Testing a Payment Flow

What a Failed Ebook Purchase Taught Me About Actually Testing a Payment Flow

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3 min read
FAQ: Five Things a 200 OK From a Free Model Endpoint Does Not Tell You

FAQ: Five Things a 200 OK From a Free Model Endpoint Does Not Tell You

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5 min read
I caught my AI agent lying to me

I caught my AI agent lying to me

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4 min read
Too fast is wrong

Too fast is wrong

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4 min read
Testing webhook retries deterministically: a fault sequence per Idempotency-Key

Testing webhook retries deterministically: a fault sequence per Idempotency-Key

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3 min read
How are you handling AI exhaustion?

How are you handling AI exhaustion?

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1 min read
What GPT-6 Astra chose to build

What GPT-6 Astra chose to build

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4 min read
Renovating a vibe-coded app: readable code, no reasoning behind it

Renovating a vibe-coded app: readable code, no reasoning behind it

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2 min read
The split that ran backwards

The split that ran backwards

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4 min read
Your Free Probe Passed. You Still Measured the Wrong Box

Your Free Probe Passed. You Still Measured the Wrong Box

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6 min read
Bot Detection False Positives: How to Actually Test Accuracy

Bot Detection False Positives: How to Actually Test Accuracy

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9 min read
Testing email verification in Playwright without waitForTimeout

Testing email verification in Playwright without waitForTimeout

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4 min read
Read-Only Access Testing: A Successful Login Is Not Enough

Read-Only Access Testing: A Successful Login Is Not Enough

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6 min read
Assay the Diff Before It Travels

Assay the Diff Before It Travels

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6 min read
A stale hash failed 29 of 59 tests. The tool that refreshes hashes had never seen that copy.

A stale hash failed 29 of 59 tests. The tool that refreshes hashes had never seen that copy.

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4 min read
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