Improve chat navigation, model selection, and streaming

components/ai-elements/web-preview.tsx

@@ -14,7 +14,7 @@ import {
   TooltipTrigger,
 } from "@/components/ui/tooltip";
 import { cn } from "@/lib/utils";
-import { ChevronDownIcon } from "lucide-react";
+import { RiArrowDownSLine } from "@remixicon/react";
 import type { ComponentProps, ReactNode } from "react";
 import { createContext, useContext, useEffect, useState } from "react";
 
@@ -220,7 +220,7 @@ export const WebPreviewConsole = ({
           variant="ghost"
         >
           Console
-          <ChevronDownIcon
+          <RiArrowDownSLine
             className={cn(
               "h-4 w-4 transition-transform duration-200",
               consoleOpen && "rotate-180"