"""MCP 集成层值对象。"""

from __future__ import annotations

from dataclasses import dataclass


@dataclass(frozen=True)
class ToolResult:
    """MCP 工具执行产出（与沙箱 ExecResponse 同构，供传输层与客户端共用）。"""

    ok: bool
    exit_code: int | None = None
    stdout: str = ""
    stderr: str = ""
    duration_ms: int = 0
    timeout: bool = False
    truncated: bool = False
    trace_id: str = ""
    # 原始结构化内容（供百工净化层取用；stdout 之外的富内容）
    content: object = None
    is_error: bool = False
    meta: dict | None = None