async def validate_metadata(self, conversation_id: str, user_id: str) -> bool:
        """Validate that conversation belongs to the current user."""
        metadata = await self.get_metadata(conversation_id)
        if not metadata.user_id or metadata.user_id != user_id:
            return False
        else:
            return True
Validate that conversation belongs to the current user.
openhands/storage/conversation/conversation_store.py