The CORTEX agent layer is coordinated and includes a RetrievalAgent for Q-value reranking, cross-encoder scoring, and two-level retrieval so that retrieval quality is improved through layered ranking logic.

**CORTEX Agents:** Coordinated agent layer — RetrievalAgent (Q-value reranking, cross-encoder, two-level retrieval)

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

Coordinated agent layer

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

RetrievalAgent (Q-value reranking, cross-encoder, two-level retrieval)

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md