Subscribe to Google Workspace events and stream them as NDJSON output.

• Connects to Workspace resources (Chat spaces, Drive, Calendar, etc.) via CloudEvents types and streams events in real-time or batch mode
• Supports Pub/Sub-backed subscriptions with configurable polling intervals, batch sizes, and optional auto-acknowledgment
• Offers flexible output modes: stream to stdout, write individual events to files, or reuse existing subscriptions for reconnection
• Includes cleanup options to remove Pub/Sub resources on exit and one-shot polling with the --once flag