Rank 0 CXUs for the COMPANY_POLICIES set must cover core information security requirements, AI model usage guardrails, and BYOD device requirements so that the highest-priority policy knowledge is captured first.

**Rank 0 CXUs:**

— PYRANA_Internal_Knowledge_Graph_Specification.md

- Core information security requirements

— PYRANA_Internal_Knowledge_Graph_Specification.md

- AI model usage guardrails

— PYRANA_Internal_Knowledge_Graph_Specification.md

- BYOD device requirements

— PYRANA_Internal_Knowledge_Graph_Specification.md