The `CONTEXT_FOR` edge connects a CxU to an entity and carries the properties `dimension`, `q_value`, and `is_rank0` so that contextual relevance and rank information are stored on the relationship.

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

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

CxU → entity

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

with dimension, q_value, is_rank0

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md