You're using VS Code Copilot, but are you using it to its full potential? This deep-dive deconstructs the architecture of the VS Code AI Agent System Prompt, revealing the precise hierarchy of instructions, the difference between Prompt Files, Custom Instructions, and Custom Agents, and showing you how to compose powerful, token-saving agentic workflows that drastically improve coding accuracy and save big on premium requests. ⚙️ Resources Awesome Copilot: My workflow files: More on "Context Rot": ⏱️Chapters 0:00 Intro 3:56 Custom Instructions 6:57 Prompt Files 12:08 Custom Agents 15:08 Building a Workflow 20:00 Outro