Fix: Let tooltips show on top of layout tool bar

- Removed PopoverPrimitive.Portal wrapper
- Added z-60 to TooltipContent

lightrag_webui/src/components/ui/Popover.tsx

@@ -11,7 +11,6 @@ const PopoverContent = React.forwardRef<
   React.ComponentRef<typeof PopoverPrimitive.Content>,
   React.ComponentPropsWithoutRef<typeof PopoverPrimitive.Content>
 >(({ className, align = 'center', sideOffset = 4, ...props }, ref) => (
-  <PopoverPrimitive.Portal>
   <PopoverPrimitive.Content
     ref={ref}
     align={align}
@@ -22,7 +21,6 @@ const PopoverContent = React.forwardRef<
     )}
     {...props}
   />
-  </PopoverPrimitive.Portal>
 ))
 PopoverContent.displayName = PopoverPrimitive.Content.displayName
 

lightrag_webui/src/components/ui/Tooltip.tsx

@@ -38,7 +38,7 @@ const TooltipContent = React.forwardRef<
       side={side}
       align={align}
       className={cn(
-        'bg-popover text-popover-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 max-h-[60vh] overflow-y-auto whitespace-pre-wrap break-words rounded-md border px-3 py-2 text-sm shadow-md',
+        'bg-popover text-popover-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 max-h-[60vh] overflow-y-auto whitespace-pre-wrap break-words rounded-md border px-3 py-2 text-sm shadow-md z-60',
         className
       )}
       {...props}