class BaseWatcher(ABC):
    def __init__(self, vault_path: str, check_interval: int = 60):
        self.vault_path = Path(vault_path)
        self.needs_action = self.vault_path / 'Needs_Action'
        self.check_interval = check_interval

    @abstractmethod
    def check_for_updates(self) -> list:
        pass

    @abstractmethod
    def create_action_file(self, item) -> Path:
        pass

    def run(self):
        while True:
            items = self.check_for_updates()
            for item in items:
                self.create_action_file(item)
            time.sleep(self.check_interval)

# Start with PM2
pm2 start gmail_watcher.py --interpreter python3

# Save and set to auto-start
pm2 save
pm2 startup