AgentContext is defined as the persisted belief state containing plan steps, accumulated knowledge, and artifact references, and it is stored in Redis, read each turn, and updated by tools such as 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