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Auditing Agent Patches: Property Checks, Fixture Locks, and Expiring Flaky Freezes

Auditing Agent Patches: Property Checks, Fixture Locks, and Expiring Flaky Freezes

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4 min read
My board never scored an outage as a regression. My evidence couldn't prove it.

My board never scored an outage as a regression. My evidence couldn't prove it.

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5 min read
2,300 Passing Tests and a CSV That Loaded One Row

2,300 Passing Tests and a CSV That Loaded One Row

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6 min read
Four checks that keep a small automation from creating a mess

Four checks that keep a small automation from creating a mess

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2 min read
I removed every delete from my exactly-once guard. Then the bugs moved.

I removed every delete from my exactly-once guard. Then the bugs moved.

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7 min read
Validate the manifest, reject on failure, and your plugin client is non-conformant

Validate the manifest, reject on failure, and your plugin client is non-conformant

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6 min read
Migration Diary: The Format Drift You Hit When Switching AI Providers (and the Test That Caught It)

Migration Diary: The Format Drift You Hit When Switching AI Providers (and the Test That Caught It)

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5 min read
Your Model Swapped Underneath You: A Zero-Budget Tripwire for Silent LLM Regressions

Your Model Swapped Underneath You: A Zero-Budget Tripwire for Silent LLM Regressions

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5 min read
A Green Suite Can Still Lie: Mutation-Test Your Fixtures Before You Trust an Agent Patch

A Green Suite Can Still Lie: Mutation-Test Your Fixtures Before You Trust an Agent Patch

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4 min read
Rust Cheminformatics: Porting RDKit Source Semantics to Rust

Rust Cheminformatics: Porting RDKit Source Semantics to Rust

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13 min read
The reader named the payload the estimator walks past. The fix took 74 minutes.

The reader named the payload the estimator walks past. The fix took 74 minutes.

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3 min read
The enum had six reasons and the code needed a seventh

The enum had six reasons and the code needed a seventh

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4 min read
I Freaking Love Breaking My Own Software

I Freaking Love Breaking My Own Software

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3 min read
Feed Your Worst Test to a Free Model

Feed Your Worst Test to a Free Model

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3 min read
"I don't know" is a state your UI probably doesn't have

"I don't know" is a state your UI probably doesn't have

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6 min read
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