Questions for configuration & automation in HA

You can manage Zigbee devices directly using native ZHA (Zigbee Home Automation) integration if you buy compatible Zigbee Coordinator USB adapter, recommend CC2652P based. Suggest read these:

https://www.home-assistant.io/integrations/zha

https://www.home-assistant.io/integrations/zha#knowing-which-devices-are-supported

https://www.home-assistant.io/integrations/zha#zha-exception-and-deviation-handling

https://community.home-assistant.io/t/iteads-sonoff-zigbee-3-0-usb-dongle-plus-model-zbdongle-p-based-on-texas-instruments-cc2652p-20dbm-radio-mcu-now-sold-for-19-99/340705