Every CXU stored in the graph must include keywords as a list of strings used for full-text search and filtering so that units can be efficiently retrieved and narrowed.

Every CXU stored in the graph follows this structure:

— PYRANA_Internal_Knowledge_Graph_Specification.md

keywords: list[str] # For FTS and filtering

— PYRANA_Internal_Knowledge_Graph_Specification.md

CXU:

— PYRANA_Internal_Knowledge_Graph_Specification.md

### 5.1 CXU Anatomy (Recap)

— PYRANA_Internal_Knowledge_Graph_Specification.md