[eric] desktop: sidebar peek works in fullscreen too, sliding over the dock rail (one left-edge behavior everywhere)

frontend/src/app/components/Layout/AppShell.tsx

@@ -628,7 +628,7 @@ const AppShell: React.FC = () => {
 
   return (
     <Box sx={{ display: 'flex', flexDirection: 'column', height: '100vh', bgcolor: c.bg.secondary }}>
-      {sidebarAway && !sidePeek && !fullscreenCardId && (
+      {sidebarAway && !sidePeek && (
         <Box onMouseEnter={() => { cancelPeekClose(); setSidePeek(true); }} sx={{ position: 'fixed', top: 0, left: 0, bottom: 0, width: 14, zIndex: 2147483000, pointerEvents: 'auto' }} />
       )}
       {/* Top bar dropped (Arc/Zen): a zero-height anchor left only to float the agent-activity island at top-center; the island renders nothing when idle. */}