Fix react-resizable-panels v4.6.5 API compatibility (#19)

* Initial plan

* Fix react-resizable-panels v4.6.5 API changes

Co-authored-by: callicles <4429209+callicles@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: callicles <4429209+callicles@users.noreply.github.com>

Author: Copilot

components/ui/resizable.tsx

@@ -8,8 +8,8 @@ import { cn } from "@/lib/utils"
 const ResizablePanelGroup = ({
   className,
   ...props
-}: React.ComponentProps<typeof ResizablePrimitive.PanelGroup>) => (
-  <ResizablePrimitive.PanelGroup
+}: React.ComponentProps<typeof ResizablePrimitive.Group>) => (
+  <ResizablePrimitive.Group
     className={cn("flex h-full w-full data-[panel-group-direction=vertical]:flex-col", className)}
     {...props}
   />
@@ -21,10 +21,10 @@ const ResizableHandle = ({
   withHandle,
   className,
   ...props
-}: React.ComponentProps<typeof ResizablePrimitive.PanelResizeHandle> & {
+}: React.ComponentProps<typeof ResizablePrimitive.Separator> & {
   withHandle?: boolean
 }) => (
-  <ResizablePrimitive.PanelResizeHandle
+  <ResizablePrimitive.Separator
     className={cn(
       "relative flex w-px items-center justify-center bg-border after:absolute after:inset-y-0 after:left-1/2 after:w-1 after:-translate-x-1/2 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring focus-visible:ring-offset-1 data-[panel-group-direction=vertical]:h-px data-[panel-group-direction=vertical]:w-full data-[panel-group-direction=vertical]:after:left-0 data-[panel-group-direction=vertical]:after:h-1 data-[panel-group-direction=vertical]:after:w-full data-[panel-group-direction=vertical]:after:-translate-y-1/2 data-[panel-group-direction=vertical]:after:translate-x-0 [&[data-panel-group-direction=vertical]>div]:rotate-90",
       className
@@ -36,7 +36,7 @@ const ResizableHandle = ({
         <GripVertical className="h-2.5 w-2.5" />
       </div>
     )}
-  </ResizablePrimitive.PanelResizeHandle>
+  </ResizablePrimitive.Separator>
 )
 
 export { ResizablePanelGroup, ResizablePanel, ResizableHandle }