TechCurious: Just finally figured it out! The key is backing up the database. Should have asked sooner.

30 minutes ago · profile

Pro tip: the Node-RED community provides pre-built configurations — helped me avoid hours of debugging.

See also

• Quick help: how do I set up automations without creating loops?
• The most reliable way to set up wireless switches?
• Stupid question: is MQTT the same as HTTP?