"""中控 AI 模型调用（共用 ai_client 配置，逻辑独立）。"""
from __future__ import annotations

import sys
from pathlib import Path
from typing import Optional, Sequence

_REPO_ROOT = Path(__file__).resolve().parents[2]
if str(_REPO_ROOT) not in sys.path:
    sys.path.insert(0, str(_REPO_ROOT))

from ai_client import ai_generate, ai_provider_label  # noqa: E402


def model_label() -> str:
    return ai_provider_label()


def generate_text(
    *,
    system: str,
    user: str,
    temperature: float,
    images_b64: Optional[Sequence[str]] = None,
) -> str:
    prompt = f"{system.strip()}\n\n---\n\n{user.strip()}"
    return ai_generate(prompt, temperature=temperature, images_b64=images_b64)