sqlew

What DeNA's Perl-to-Go Migration Reveals About the Value of Code-Independent Design Records

Migrating a 6,000-line legacy Perl API to Go, powered by AI agents. A case study published on DeNA's engineering blog paints a vivid picture of both the promise…

Escape AI Coding's Infinite Reviewer Hell with sqlew

Since adopting AI coding tools, your team's development velocity has probably increased. But have you noticed the quiet surge of pressure building on your revie…

sqlew's Context Persistence Architecture

One of the fundamental challenges facing AI coding agents is context loss. LLMs lose memory across sessions — design decisions agreed upon yesterday, library se…

Decision and Constraint: How sqlew's Dual Records Transform AI Reasoning Patterns

Recent research suggests that ADR (Architecture Decision Record) can dramatically improve the reasoning efficiency of coding agents. But in traditional ADR, two…

AI Fills the Gaps: How Incomplete Design Intent Triggers Over-Implementation

Recording design intent and feeding it to AI improves code quality. Our experiments confirmed this. But they also revealed something less intuitive. When desig…

The First Wall You Hit When Maintaining Legacy Code with AI

You want to use AI coding to streamline legacy code maintenance. You point the AI agent at the codebase, and immediately hit a wall. "Why is it implemented…