Improve chat navigation, model selection, and streaming

components/ui/resizable.tsx

@@ -1,7 +1,7 @@
 "use client"
 
 import * as React from "react"
-import { GripVerticalIcon } from "lucide-react"
+import { RiDraggable } from "@remixicon/react"
 import * as ResizablePrimitive from "react-resizable-panels"
 
 import { cn } from "@/lib/utils"
@@ -46,7 +46,7 @@ function ResizableHandle({
     >
       {withHandle && (
         <div className="bg-border z-10 flex h-4 w-3 items-center justify-center rounded-xs border">
-          <GripVerticalIcon className="size-2.5" />
+          <RiDraggable className="size-2.5" />
         </div>
       )}
     </ResizablePrimitive.Separator>