AgentContext, defined in agent_context.py, stores persisted belief state including plan steps, accumulated knowledge, and artifact references in Redis, and tools update it through update-plan and update-knowledge.

- **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