GitHub Copilot's Hidden Agentic OS: The 4 Layers You Are Missing

If your team is treating artificial intelligence coding assistants merely as an "autocomplete on steroids," you are likely leaving 70% of their capabilities untouched. Recent evolutions in how developers interact with AI have transformed the humble.github folder into a full-fledged Agentic Operating System (OS). It's no longer just a place for a single instruction file; it's a composable, multi-layered ecosystem designed to manage context, enforce security, and execute autonomous workflows. This