Function _failed

src/servers/wo/main.py:70–74

Return an ErrorResult if the envelope reports failure, else None.

(res: Dict[str, Any])

# All WorkOrderItem fields are Optional, so docs missing columns convert cleanly.
# --------------------------------------------------------------------------- #
def _failed(res: Dict[str, Any]) -> Optional[ErrorResult]:
    """Return an ErrorResult if the envelope reports failure, else None."""
    if not res.get("success"):
        return ErrorResult(error=res.get("error", "unknown error"))
    return None


def _mutation(