"""
在线 RAG 检索与生成系统

提供高级RAG检索功能，支持混合检索、重排序、RAG-Fusion和多路查询改写。
"""

from .pipeline import RAGPipeline
from .retriever import create_hybrid_retriever, create_base_retriever
from .reranker import CrossEncoderReranker
from .query_transform import MultiQueryTransformer
from .tools import search_knowledge_base_tool

__all__ = [
    "RAGPipeline",
    "create_hybrid_retriever",
    "create_base_retriever",
    "CrossEncoderReranker",
    "MultiQueryTransformer",
    "search_knowledge_base_tool",
]

__version__ = "0.1.0"