The `context_engine.kag` package contains the Neo4j graph backend, Qdrant vector backend, and embedding generator so that graph storage, vector storage, and embedding creation are implemented in the KAG layer.

**context_engine.kag** — Neo4j graph backend, Qdrant vector backend, embedding generator

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

Neo4j graph backend

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

Qdrant vector backend

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

embedding generator

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md