have messages working but streaming still not fixed yet

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

llama_stack/ui/hooks/use-copy-to-clipboard.ts

@@ -0,0 +1,36 @@
+import { useCallback, useRef, useState } from "react"
+import { toast } from "sonner"
+
+type UseCopyToClipboardProps = {
+  text: string
+  copyMessage?: string
+}
+
+export function useCopyToClipboard({
+  text,
+  copyMessage = "Copied to clipboard!",
+}: UseCopyToClipboardProps) {
+  const [isCopied, setIsCopied] = useState(false)
+  const timeoutRef = useRef<NodeJS.Timeout | null>(null)
+
+  const handleCopy = useCallback(() => {
+    navigator.clipboard
+      .writeText(text)
+      .then(() => {
+        toast.success(copyMessage)
+        setIsCopied(true)
+        if (timeoutRef.current) {
+          clearTimeout(timeoutRef.current)
+          timeoutRef.current = null
+        }
+        timeoutRef.current = setTimeout(() => {
+          setIsCopied(false)
+        }, 2000)
+      })
+      .catch(() => {
+        toast.error("Failed to copy to clipboard.")
+      })
+  }, [text, copyMessage])
+
+  return { isCopied, handleCopy }
+}