The `context_engine.kag` package contains the Neo4j graph backend, Qdrant vector backend, and embedding generator so that graph, vector, and embedding functions are implemented together.

**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, embedding generator

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md