Navegador: maturing the premise and the experiment

I spent five months building a context engine on a premise I never checked. The premise seemed too obvious to test. An AI coding agent given a task starts by looking around: it greps for a symbol, opens whatever the grep turned up, then greps again with a better guess. Each of those searches reads from disk, which costs very little when a single agent is doing it. I run fleets, so ten agents…