"""Compatibility helpers for manual Stable-Baselines3 off-policy training."""
from __future__ import annotations

from stable_baselines3.common.logger import Logger


def ensure_manual_logger(model) -> None:
    """Attach a no-op logger when training without calling ``model.learn()``."""
    if not hasattr(model, "_logger"):
        model.set_logger(Logger(folder=None, output_formats=[]))


def sync_manual_timesteps(model, total_steps: int) -> None:
    """Keep core SB3 counters roughly aligned with externally driven training."""
    model.num_timesteps = int(total_steps)