No, sorry, I don’t have any plans to implement it as a binding. That sounds like a good way to get on the wrong side of Apple’s legal team 
Assuming the server logs don’t show any errors, you can sometimes get valuable information from the iOS logs. You can use Xcode to view them.
Alternatively, if it’s failing late in the pairing process (after you’ve entered your pin), it’s usually a validation error. You can get the full accessory output by doing the following:
- In the osgi console, enter the command: smarthome homekit allowUnauthenticated true
- Download http://host:9124/accessories
If you send me the output, I can take a look.