The `context_engine.store` package provides the PostgreSQL storage adapter and hybrid search engine so that persistence and mixed retrieval capabilities are implemented there.

**context_engine.store** — PostgreSQL storage adapter, hybrid search engine

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

PostgreSQL storage adapter

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

hybrid search engine

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md