How to prove what your AI agent actually did (to someone who doesn't trust you)

You let an AI agent edit your repo, run commands, call tools. The next morning someone asks: what did it actually do? And you realize the only honest answer you have is "trust me." That answer does not survive contact with a client, a security reviewer, or an auditor. I got tired of it, so I built a tool that produces an answer a skeptic can check on their own machine. This is a walkthrough of how it works, with commands you can run in about two minutes. The tool is soma, an open-source (Apach...