The grabber in the lead column was the only way to reorder a session or a
project, and it only appears on hover — a 14px target for the whole gesture.
The row's title is the obvious thing to grab, so put the sortable listeners
on the row shell.
For a session that means two drags share one press, since the title already
starts the drag into the layout. They need no arbitration: each declines
outside its own region. Over the sidebar only the reorder has a target (the
session drop denies — side chrome hosts no main tile); over the tree only the
session drop does (no sortable row there). Whichever the release lands on is
the one that commits.
Rows exclude their own controls through one data-row-actions selector, now
owned by SidebarRowShell instead of restated per row.
Brooklyn Nicholson
35b82fdef3