Tools update AgentContext through the `update-plan` and `update-knowledge` mechanisms so that persisted belief state changes as the agent learns or revises its plan.

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

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

**AgentContext** (`agent_context.py`)

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

Persisted belief state

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md