Switch to vercel's biome setup (#543)

components/suggestion.tsx

@@ -46,14 +46,15 @@ export const Suggestion = ({
               <div className="size-4 bg-muted-foreground/25 rounded-full" />
               <div className="font-medium">Assistant</div>
             </div>
-            <div
+            <button
+              type="button"
               className="text-xs text-gray-500 cursor-pointer"
               onClick={() => {
                 setIsExpanded(false);
               }}
             >
               <CrossIcon size={12} />
-            </div>
+            </button>
           </div>
           <div>{suggestion.description}</div>
           <Button