Help for cdv.validate

def validate(table_path: str, entry: str, *, validator=None) -> bool:
    """
    Validate a CDV entry by ID directly from file.
    Always reloads the file from disk to avoid stale data.
    """
    path = _resolve_path(table_path)
    table = _read_table(path)
    if not table:
        gw.warn("No table loaded — rejecting validation request.")
        return False
    record = table.get(entry)
    if not record:
        return False
    if validator:
        try:
            return bool(validator(**record))
        except Exception as e:
            gw.error(f"validator failed: {e}")
            return False
    return True