adapters/__init__.py

# adapters/__init__.py
from .base import BaseModelAdapter
from .openai_adapter import OpenAIAdapter
try:
    from .anthropic_adapter import AnthropicAdapter  # optional
except Exception:
    AnthropicAdapter = None
try:
    from .hf_sentence_tfm_adapter import SentenceTransformerAdapter  # optional
except Exception:
    SentenceTransformerAdapter = None