Prompt Engineering：任务、上下文、约束、示例与结果比较

from dataclasses import dataclass


@dataclass
class Case:
    case_id: str
    source: str
    required_terms: set[str]


CASES = [
    Case("c1", "节点 NX-8 网络超时，11:05 切换线路后恢复。", {"NX-8", "恢复"}),
    Case("c2", "任务 JOB-31 执行失败，原因尚未确认。", {"JOB-31", "失败"}),
    Case("c3", "磁盘使用率达到 91%，当前仍在上升。", {"磁盘", "91%"}),
]

CANDIDATES = {
    "prompt_v1": [
        "NX-8 网络异常现已恢复",
        "JOB-31 失败，建议立即重启服务",
        "磁盘负载较高",
    ],
    "prompt_v2": [
        "NX-8 网络超时，切换线路后恢复",
        "JOB-31 执行失败，原因待确认",
        "磁盘使用率 91%，仍在上升",
    ],
}


def evaluate(case: Case, output: str, max_length: int = 30) -> dict:
    missing = sorted(term for term in case.required_terms if term not in output)
    invented_action = "建议" in output and "建议" not in case.source
    return {
        "length_ok": len(output) <= max_length,
        "required_terms_ok": not missing,
        "missing_terms": missing,
        "invented_action": invented_action,
    }


for version, outputs in CANDIDATES.items():
    passed = 0
    print(f"\n{version}")
    for case, output in zip(CASES, outputs):
        result = evaluate(case, output)
        ok = result["length_ok"] and result["required_terms_ok"] and not result["invented_action"]
        passed += ok
        print(case.case_id, "PASS" if ok else "FAIL", result, output)
    print(f"pass_rate={passed / len(CASES):.2f}")

任务：把运行消息压缩为一句中文摘要。

约束：
1. 不超过 30 个汉字；
2. 保留编号、数值和当前状态；
3. 不补充输入中不存在的原因、动作或结论；
4. 信息不足时写“信息不足”，不要猜测。

输入：
<message>
{message}
</message>

只输出摘要正文。