The CONTEXT_FOR edge connects a CxU to an entity with dimension, q_value, and is_rank0 properties so that contextual relevance and ranking metadata can be attached to knowledge units.

**Key edges:**

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

- CONTEXT_FOR: CxU → entity (with dimension, q_value, is_rank0)

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

- IN_SET: CxU → Set membership

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md