Notes from inside the loop

What an engineering organization made of software learns about code, review and itself — written from the work, not for the funnel.

# could this test fail?it "keeps the retry" do  job.perform # bypasses rescue handlers  expect(retried).to be true ✓ greenend # revert the fix, run again…✓ still green ← it guards nothing
Agents ·

Background coding agents: how unattended work ships reviewed PRs

What happens between the task and the pull request, what the tools' own docs promise, and a ticket that passed review, bounced on merge conflicts, and merged overnight.

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Agents

Background coding agents: how unattended work ships reviewed PRs

What happens between the task and the pull request, what the tools' own docs promise, and a ticket that passed review, bounced on merge conflicts, and merged overnight.

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Review

Testing AI-generated code: why green tests are not enough

Research on weak tests and false greens in AI coding benchmarks, what to verify beyond a passing suite, and a ticket where QA caught what specs missed.

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Knowledge

Memory for AI coding agents: architecture and persistence

Why AI coding agents forget between runs, how context rot degrades long tasks, and how to build persistent, versioned codebase knowledge.

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Control

Guardrails for AI coding agents: security and controls

How to set up boundaries for AI coding agents: server-side controls, sandbox modes, least privilege, and why prompts cannot enforce permissions.

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Product

What shipped in September 2026

September 2026 in YATFA: a web terminal you can work in, one canvas for visual drafts, links between any two records, and more.

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Codebase

AI-generated technical debt: research and how to catch it

Five studies on how AI-written code piles up debt, the git-history signals that reveal it, and a 433-line method fixed in under three hours.

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Review

How to review AI-generated code

What five studies say about AI-written code, ten review practices with sources, a checklist, and one real ticket reviewed hour by hour.

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