"""通用 schema:游标分页响应 + 通用 ok 响应。"""
from __future__ import annotations

from typing import Generic, TypeVar

from pydantic import BaseModel

T = TypeVar("T")


class CursorPage(BaseModel, Generic[T]):
    """游标分页响应:items + 下一页游标(next_cursor=None 表示末页)。"""

    items: list[T]
    next_cursor: int | None = None


class OkResponse(BaseModel):
    ok: bool = True