xin wan

@xinwan

Full-stack Engineer | Building printablehandwriting.com

Joined February 2026

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XWxin wanprintablehandwriting.hashnode.devFeb 14 · 3 min read

The AI Coding Trap: Refactoring my Next.js SaaS with OpenSpec (and why I ditched spec-kit)

In 2025, I heavily relied on AI coding assistants to build the MVP of my SaaS, Printable Handwriting—a platform featuring 5 custom worksheet generators and an AI handwriting analysis tool. It shipped, but beneath the surface, the codebase was a night...

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xin wan

About

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xin wan's blogs

Recently published

The AI Coding Trap: Refactoring my Next.js SaaS with OpenSpec (and why I ditched spec-kit)

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xin wan

About

Available for

xin wan's blogs

Recently published

The AI Coding Trap: Refactoring my Next.js SaaS with OpenSpec (and why I ditched spec-kit)