def _parse_time(self, time_text: str) -> str:
        """Parse and normalize time text"""
        if not time_text:
            return ""
        
        time_text = time_text.strip()
        
        # Handle Russian time formats
        if 'мин' in time_text:
            return time_text
        elif 'час' in time_text:
            return time_text
        elif 'дн' in time_text or 'дня' in time_text or 'дней' in time_text:
            return time_text
        else:
            return time_text