from typing import Any, Dict

def get_response_details(res) -> str:
    try:
        return res.text[:500]
    except Exception:
        return "No response details"

def build_error_payload(code: str, message: str, error_type: str = "APIError", status_code: int = 500, details: Any = None) -> Dict[str, Any]:
    return {
        "code": code,
        "message": message,
        "type": error_type,
        "status": status_code,
        "details": details
    }