The repository you're looking at, opencode-antigravity-auth, is essentially a "bridge" for developers working within high-tier IDE environments
In the current landscape, we have plenty of "workers" (LLMs), but managing them—deciding who does what, when they do it
humanlayer/humanlayer is an open-source library that acts as a human-in-the-loop layer for AI agents. It's designed for situations where an AI agent needs to perform a "high-stakes" action