# services/llm/base.py """ Base class for LLM services """ from abc import ABC, abstractmethod import json from typing import List, Union, Dict, Any class LLMService(ABC): """Abstract base class for LLM services""" @abstractmethod def generate_text(self, prompt: str) -> str: """Generate text based on a prompt""" pass @abstractmethod def get_similarity_scores(self, texts_pairs: Dict[str, List[str]]) -> List[float]: """Calculate similarity scores for pairs of texts""" pass