The start job on d04bc4b saw the app running after 25 s on X11 and Wayland,
then failed in its trap: the document portal had mounted itself at
$XDG_RUNTIME_DIR/doc, and rm cannot remove a mount point. Unmount it first,
and let the cleanup's leftovers be.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>