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2026-07-20 / AI Development / 5min
This article explains how to define sub-agents in Codex and assign roles. It covers setting up agents for bug fixes and security reviews, model selection, and git management considerations.
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2026-07-07 / Infrastructure / 4min
The minimum server configuration for a personal blog costs ¥916/month using ConoHa VPS and Cloudflare. Development tools cost ¥4600/month, with AI usage being the main expense. Cost verification for stable operations.
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2026-07-04 / AI Development / 3min
Switching from Codex to OpenCode Go, currently testing multiple models with a $10 monthly plan. Planning to switch between GLM-5.2 and DeepSeek V4 Flash based on difficulty.
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2026-06-30 / AI Development / 3min
Used the /goal command in Codex to build a blog application. Created design images with ChatGPT, generated a Rails app, and executed /goal with images and requirements document.