AgentContext in agent_context.py is a persisted belief state containing plan steps, accumulated knowledge, and artifact references, and it is stored in Redis, read each turn, and updated by update-plan and update-knowledge tools.

- **AgentContext** (`agent_context.py`): Persisted belief state (plan steps, accumulated knowledge, artifact refs).

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

Stored in Redis, read each turn.

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

Updated by tools (update-plan, update-knowledge).

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md