"""Eval-time shim — re-exports the retrievers from rag.retrieval.

The retrievers live in rag/ so the MCP server can use them at request
time without making eval/ a runtime dependency. This file exists so
old import paths (`from eval.retrievers import ...`) keep working.
"""
from rag.retrieval import (
    Retriever,
    DenseRetriever,
    BM25Retriever,
    HybridRetriever,
    RerankedRetriever,
)

__all__ = [
    "Retriever",
    "DenseRetriever",
    "BM25Retriever",
    "HybridRetriever",
    "RerankedRetriever",
]