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The 3-Tier Skill Architecture in Practice

The 3-Tier Skill Architecture in Practice

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10 min read
How to Test Email Change Flows in React Without Mixing Up Confirmation Links

How to Test Email Change Flows in React Without Mixing Up Confirmation Links

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5 min read
We tested 62,541 free proxies from GitHub. Only 4% actually work.

We tested 62,541 free proxies from GitHub. Only 4% actually work.

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3 min read
How I Set Up Claude Code as My Testing Toolkit: Issue Fixes, PR Reviews, and Skills for Test Case Generation

How I Set Up Claude Code as My Testing Toolkit: Issue Fixes, PR Reviews, and Skills for Test Case Generation

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11 min read
# Why Record-and-Playback Test Automation Is Not Enough in the AI Era

# Why Record-and-Playback Test Automation Is Not Enough in the AI Era

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2 min read
A practical playbook for choosing browser automation and cross-browser testing tools

A practical playbook for choosing browser automation and cross-browser testing tools

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6 min read
Testing Against State Drift: Guarding a Config Tool Whose Source of Truth Lives Somewhere Else

Testing Against State Drift: Guarding a Config Tool Whose Source of Truth Lives Somewhere Else

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10 min read
Stop Writing Test Fixtures by Hand: Generate Them Directly From Your Schemas

Stop Writing Test Fixtures by Hand: Generate Them Directly From Your Schemas

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4 min read
Why Don't Trust AI Generated Unit Tests Without Review

Why Don't Trust AI Generated Unit Tests Without Review

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5 min read
Why Integration Tests Flake in CI but Pass Locally

Why Integration Tests Flake in CI but Pass Locally

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4 min read
The golden set stopped catching regressions the day traffic changed

The golden set stopped catching regressions the day traffic changed

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6 min read
Running Product Tours as Playwright Tests with @trailguide/playwright

Running Product Tours as Playwright Tests with @trailguide/playwright

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3 min read
Why Your Backtest Is Lying to You — 3 Tests That Catch Lookahead Bias, Overfitting, and Fantasy Fills

Why Your Backtest Is Lying to You — 3 Tests That Catch Lookahead Bias, Overfitting, and Fantasy Fills

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3 min read
How We Test an AI Product Without Burning Credit

How We Test an AI Product Without Burning Credit

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6 min read
Part 3: Ignoring Think Time Between Requests

Part 3: Ignoring Think Time Between Requests

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2 min read
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