from typing import Any
from collections import Counter
from fusionagi._logger import logger

def consensus_vote(answers: list, key=None):
    if not answers:
        return None
    values = [a.get(key, a) if isinstance(a, dict) else a for a in answers] if key else list(answers)
    return Counter(values).most_common(1)[0][0]

def arbitrate(proposals: list, arbitrator="coordinator"):
    if not proposals:
        return {}
    logger.info("Arbitrate", extra={"arbitrator": arbitrator, "count": len(proposals)})
    return proposals[0]