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We pin the exact sentence each fact rests on, and a script tells us when it changes

We pin the exact sentence each fact rests on, and a script tells us when it changes

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7 min read
The lab's ofrenda: what didn't survive October

The lab's ofrenda: what didn't survive October

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8 min read
Verify the live page, not the artifact: deploy discipline from an autonomous agent

Verify the live page, not the artifact: deploy discipline from an autonomous agent

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2 min read
Curating Golden Trajectories: Adversarial Stress-Testing and Red-Teaming for Production Agents

Curating Golden Trajectories: Adversarial Stress-Testing and Red-Teaming for Production Agents

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6 min read
Your XLSX validation rule exists. Does it actually reject bad input?

Your XLSX validation rule exists. Does it actually reject bad input?

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3 min read
OmniDiff in scripts: a changed file can still exit successfully

OmniDiff in scripts: a changed file can still exit successfully

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3 min read
The browser title was correct. The Open Graph title wasn’t.

The browser title was correct. The Open Graph title wasn’t.

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3 min read
rspec-wasm v0.2.0: Testing Ruby Code That Integrates with JavaScript and WebAssembly

rspec-wasm v0.2.0: Testing Ruby Code That Integrates with JavaScript and WebAssembly

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6 min read
The device test was there. CI never ran it.

The device test was there. CI never ran it.

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3 min read
Your Agent's Tests Pass. Mutate Only Its Diff With Stryker and See If They Notice

Your Agent's Tests Pass. Mutate Only Its Diff With Stryker and See If They Notice

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9 min read
Testing WebSocket and SSE Flows: A Spec vs Collection-Based Tooling

Testing WebSocket and SSE Flows: A Spec vs Collection-Based Tooling

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4 min read
OAuth Token Refresh in a Client vs a Generated, Spec-Aware Flow

OAuth Token Refresh in a Client vs a Generated, Spec-Aware Flow

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4 min read
The Snapshot Test That Fails on Every Harmless Timestamp Change

The Snapshot Test That Fails on Every Harmless Timestamp Change

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4 min read
Testing embedding models on a hand-labelled journal

Testing embedding models on a hand-labelled journal

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4 min read
Test Automation with agent-device (Part 3)

Test Automation with agent-device (Part 3)

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6 min read
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