Agent Loop & Self-Extension Interactive architecture of an autonomous, stateful LLM agent. Persistent .pi State (Session Tree) Compaction Zone (Summarized Context) Turn 3 Error Path Turn 4 Current State State Updates Observation Next Prompt Tool Call Execution Web Search File I/O Code Sandbox Vector Memory Custom API Tool Extension Loader Click to Hot-Reload AgentLoop ReAct Orchestrator Hover over components to explore the architecture. Click the Extension Loader to simulate hot-reloading.