Dispatches the desktop tab-strip seam event (raw CustomEvent — the detail carries a
DOM element, so it bypasses the sanitising GeoLeaf event bus). Called once per panel
build, synchronously, so subscribers inject in the same tick (position preserved).
Dispatches the desktop tab-strip seam event (raw
CustomEvent— the detail carries a DOM element, so it bypasses the sanitising GeoLeaf event bus). Called once per panel build, synchronously, so subscribers inject in the same tick (position preserved).