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Return the proof, not the answer

One method returned a bool; another trusted that you’d called it first. That gap was the root of five separate problems. Here’s the refactor — parse, don’t validate — and how Claude Code did the mechanical work.

July 1, 2026 · 9 min · René Dekkers

Refactoring with Claude Code — splitting an 800-line service

Everyone has that one service class that’s grown too large. I used Claude Code to split an 800-line monolith into clean components — in under an hour.

February 24, 2026 · 6 min · René Dekkers
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