Root overlay self-gated on QbzImmersive.open with the load-bearing
click-blocker, 6s auto-hide with the VNC hover-storm delta guard,
fullscreen guard, exit paths 2-4, seek arrows, the header band (view
menu in Slint order, search field on the inert B1 surface, window
controls with the first FullScreen write in the Qt frontend), the
ViewModeMenu Immersive row live, Shift+I in Main.qml with the
text-input gate, QbzLineEdit fieldActive seam (D16). Panels are stubs;
B3/B4/B5 replace them. RFB evidence in scratchpad/immersive-b2/.
km
vicrodh
8bc255269d