"""提示词加载：从 prompts/<name>.txt 读取模板，带版本号（便于 A/B 与审计回溯）。"""
from __future__ import annotations

from pathlib import Path

PROMPTS_DIR = Path(__file__).resolve().parent.parent / "prompts"

# 提示词版本：改提示词时手动 +1，写进 ck 记录便于回溯
PROMPT_VERSION = "v2"


def load_prompt(name: str) -> str:
    return (PROMPTS_DIR / f"{name}.txt").read_text(encoding="utf-8")