What a Regex Can't Do

In the last post I built a governance layer for a coding agent&rsquo;s tool calls: a body that hooks the agent&rsquo;s tool_call event, extracts a few features, and dispatches ask, proceed, or block; and a brain , a Julia daemon that holds a belief and maximises expected utility. The commitment that held it together was that the brain is opaque to the body. The wire carries observations and named…