The header's Copy link button copies a shareable URL for the current view.
A desktop host serves the dashboard from 127.0.0.1 on a port it picked, so what it copies only ever resolves on that machine, while that app is running — a button offering to share something unshareable, in the header of every page.
'copy_link' => env('TELEMETRY_UI_COPY_LINK', true),On by default; most hosts are reachable at the address they serve from. Config rather than a host override, because the honest answer for such a host is that the feature does not apply, not that it should be restyled.
Nothing else changed. No API moved.