Every CXU stored in the graph must include supporting_quotes as a list of 3 to 6 verbatim source quotes so that the claim is grounded in explicit source evidence.

Every CXU stored in the graph follows this structure:

— PYRANA_Internal_Knowledge_Graph_Specification.md

supporting_quotes: list[str] # 3-6 verbatim source quotes

— PYRANA_Internal_Knowledge_Graph_Specification.md

CXU:

— PYRANA_Internal_Knowledge_Graph_Specification.md

### 5.1 CXU Anatomy (Recap)

— PYRANA_Internal_Knowledge_Graph_Specification.md