I built an AI setup to save money on tokens. It turned into the memory and focus my ADHD brain is missing.

TL;DR: A messy AI agent wastes money. A messy ADHD brain wastes effort. The same thing fixes both: external structure. I built it for the agent, then I saw I had built it for myself.

Context

An "agent harness" is the plain layer around an AI coding agent. Mine has four parts:

a CLAUDE.md: a file of rules the agent reads every time it starts