How I Use OpenCode, Oh-My-OpenCode-Slim, and OpenSpec to Build My Own AI Coding Environment

Introduction I have never used Claude Code. The reason is simple. Claude Code is too expensive. Even with a subscription, the cost-to-value ratio does not work for my research. So I have been building my own AI coding environment using OpenCode as the foundation, combined with Oh-My-OpenCode-Slim (multi-agent orchestration) and OpenSpec (SDD). My take is this: if you understand what you want to build, and you know how to use coding tools properly, especially with well-written Spec files as c...