Support for connecting an external OpenThread Border Router

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I have picked up an Espressif ESP32 OpenThread Border Router for testing.

I have two use cases:

1. Join the router to an existing Apple Thread Network (HomeAssistant has already joined) as an additional Border Router. On the OTBR GUI I can scan and attempt to join the Apple Thread network, however I require the Network Key and Prefix. Can these be exposed in the iPhone companion app to enable this?
2. Create a new thread network on the OTBR and connect HomeAssitant to this. HomeAssitant can see the OTBR when it forms a new Thread network, but there is no method to join it. As I would be manually provisioning the Thread network, I could manually enter the required keys.

Are either of these use cases possible? Thanks

URL

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

Version

2024.4.1

Additional information

Example Join Dialog from OpenThread Border Router:

Example of detected OpenThread network in Home Assistant: