from __future__ import annotations

import time
from typing import Callable


def wait_for(predicate: Callable[[], bool], *, timeout_s: float = 60.0, poll_s: float = 1.0) -> bool:
    """Minimal shared readiness helper."""

    end = time.time() + timeout_s
    while time.time() < end:
        if predicate():
            return True
        time.sleep(poll_s)
    return False