Subagents: Stop Burning Your Context Window
Here’s a pattern I kept hitting with Claude Code: I ask it to fix something, it goes off and reads fifteen files to figure out where the problem …
// software development journal
Hi, I'm Tung Quach ✦
Cozi is a place where I share my software development journey, exploring programming languages, frameworks, design patterns, and more.
Recent posts
All posts →Claude Code Hooks That Earn Their Keep
Most of what I tell Claude Code, I only have to say once and it sticks for the session.
Writing a CLAUDE.md That Actually Helps
Most CLAUDE.md files I see are either empty or a dumping ground.
Leveling Up Claude Code with Superpowers
A while back I wrote about spec-driven development with Spec Kit, which fixed the “the agent built the wrong thing” problem by making me …
Spec-Driven Development with GitHub Spec Kit
I have been using AI coding agents long enough to know the failure mode by heart.
Monitoring and Distributed Tracing with Grafana, Prometheus, Loki & Tempo
Why I Built a Small Observability Stack Over the last few years, my systems have become more distributed: multiple services, containers, and external …