"""动作校验错误，供后续修正节点使用"""

from typing import Literal

from pydantic import BaseModel, Field


class ActionValidationError(BaseModel):
    action_index: int | None = Field(
        default=None, ge=0, description="失败动作的下标，从 0 开始，整批错误为 null"
    )
    code: Literal["schema_error", "execution_error"]
    message: str