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Index billing invoices by scope and document identity, not the seat roster

Index billing invoices by scope and document identity, not the seat roster

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4 min read
Test a declined renewal, not just a successful checkout.

Test a declined renewal, not just a successful checkout.

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1 min read
Your prompt A/B test is lying to you (if you keep checking it)

Your prompt A/B test is lying to you (if you keep checking it)

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5 min read
Match an emailed billing export to its request before parsing the CSV

Match an emailed billing export to its request before parsing the CSV

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4 min read
Evals before vibes

Evals before vibes

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9 min read
I wrote four file tools and made sure every destructive path is defensive

I wrote four file tools and made sure every destructive path is defensive

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3 min read
How to Test an AI Rewriting Tool Fairly: A Mini Experiment in Python

How to Test an AI Rewriting Tool Fairly: A Mini Experiment in Python

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2 min read
Resolve the workspace before reusing a billing-role snapshot

Resolve the workspace before reusing a billing-role snapshot

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4 min read
Day 19/90: When Should an AI Agent Ask for Clarification?

Day 19/90: When Should an AI Agent Ask for Clarification?

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4 min read
Make CI Automation Failures Explainable

Make CI Automation Failures Explainable

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4 min read
Balloon Payments in TypeScript: How to Keep the Final Balance Correct

Balloon Payments in TypeScript: How to Keep the Final Balance Correct

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6 min read
How I structure and test MonSuiviCA's URSSAF and income tax calculations

How I structure and test MonSuiviCA's URSSAF and income tax calculations

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4 min read
How to Validate WAF Blocking with a Code Injection Test URL

How to Validate WAF Blocking with a Code Injection Test URL

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4 min read
What a device tool costs your coding agent: a React Native benchmark

What a device tool costs your coding agent: a React Native benchmark

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5 min read
I test every morning if a video really plays through a VPN: 6 traps in CI

I test every morning if a video really plays through a VPN: 6 traps in CI

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5 min read
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