Designing a Hooks System for AI Agent CLIs: 4 Lifecycle Points That Cover Everything

Designing Hooks for an AI Agent CLI: 4 Lifecycle Points, Shell-Only, and What I Cut A few weeks ago I shipped Reasonix — a DeepSeek-native TypeScript agent framework. The first article was about the cache-first prompt structure that pushed cache hit rates to 85-95% on real sessions. That got picked up on dev.to. Two weeks later, I needed hooks. Specifically I wanted my coding agent to: Refuse rm -rf even if the model decided that was a great idea Auto-format files after every edit Auto-commit at