"""Backend Trellis (Microsoft, MIT code).

STUB. Para implementar: clonar github.com/microsoft/TRELLIS a sources/,
instalar deps (kaolin + custom CUDA), cargar pipeline structured latents.
"""
from __future__ import annotations

from typing import Any, Dict
from PIL import Image


class Handle:
    def infer(self, image: Image.Image, cfg: Dict[str, Any]) -> bytes:
        raise NotImplementedError(
            "trellis backend pendiente. Ver notebook 04_smoke_trellis.ipynb"
        )

    def close(self) -> None:  # pragma: no cover
        return


def load() -> Handle:
    return Handle()