import uuid
from datetime import datetime
from typing import Dict, List

_AUDIT_LOG: List[Dict] = []

def log_event(action: str, payload: Dict) -> Dict:
    entry = {
        "id": str(uuid.uuid4()),
        "timestamp": datetime.utcnow().isoformat() + "Z",
        "action": action,
        "payload": payload
    }
    _AUDIT_LOG.append(entry)
    return entry

def export_audit_log() -> List[Dict]:
    return list(_AUDIT_LOG)