Personal RAG MCP Server

"""Query expansion strategies.""" from abc import ABC, abstractmethod from typing import List class QueryExpander(ABC): """Base query expander interface.""" @abstractmethod async def expand(self, query: str) -> List[str]: """Expand query into multiple variations.""" pass class NoOpExpander(QueryExpander): """No-op expander - returns original query only.""" async def expand(self, query: str) -> List[str]: """Return original query without expansion.""" return [query] # Future: LLMQueryExpander # class LLMQueryExpander(QueryExpander): # """Expand query using LLM to generate variations.""" # pass