We would find the ability to load models from a URL particularly useful because we store all our assets in the cloud as .gltf files with relative references and it is fiddly to download all the parts for analysis.
It would also be very useful to accept that URL as a parameter and bypass the initial selection dialog. This would allow us to include an analysis option as a link alongside the assets in our own application.
I appreciate that this would require CORS support on the data hosting server, but that side is fully under our control. To avoid confusion you may wish to only provide support via the URL parameter as an "advanced" option.
Possible URL parameter schema: