backend/llm/providers/fallback.py

"""
Dolor3V Production Fallback

Single-provider deployment.
Only Hugging Face is registered.
"""

from typing import Any

from .huggingface import HuggingFaceProvider

_PROVIDER = HuggingFaceProvider()


async def complete_with_fallback(
    prompt: str,
    **kwargs: Any,
):
    """
    Unified completion entrypoint.

    The runtime intentionally exposes only one provider.
    """

    if hasattr(_PROVIDER, "complete"):
        return await _PROVIDER.complete(prompt=prompt, **kwargs)

    if hasattr(_PROVIDER, "generate"):
        return await _PROVIDER.generate(prompt=prompt, **kwargs)

    raise RuntimeError(
        "HuggingFaceProvider exposes neither "
        "'complete' nor 'generate'."
    )


def get_provider():
    return _PROVIDER


def providers():
    return [_PROVIDER]