A search on web has numerous articles and support forum cases, where people are asking for a good solution to have multiple user support with appropriate access control. Here are few links:
- Multiple users, multiple systems, multiple devices: Is this the smart home from hell?
- Mobile app authorization levels for multiple users (teenagers!)
- How Do I Add Additional Users To the App
- ... and more
Basic theme in these articles/support request is:
- how can I have multiple users access my smart home?
- how can I have access restrictions with access to my smart home?
- how can I share my smart home access without sharing ALL the passwords?
- how can I have a smart home without needing SO MANY passwords?