"""输入协议的公共类型"""

from typing import Annotated

from pydantic import AfterValidator, BaseModel, ConfigDict, JsonValue


def require_non_blank(value: str) -> str:
    if not value.strip():
        raise ValueError("不能为空或仅包含空白字符")
    return value


NonBlankString = Annotated[str, AfterValidator(require_non_blank)]
JsonObject = dict[str, JsonValue]


class ExtensibleModel(BaseModel):
    """校验已知字段，保留未知 JSON 字段；不隐式转换输入类型"""

    model_config = ConfigDict(extra="allow", strict=True, allow_inf_nan=False)

    __pydantic_extra__: dict[str, JsonValue]