disable attachments and update sidebar

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

fixing package.json

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

moving ui -> chat

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

llama_stack/ui/components/chat/copy-button.tsx

@@ -0,0 +1,44 @@
+"use client"
+
+import { Check, Copy } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+import { useCopyToClipboard } from "@/hooks/use-copy-to-clipboard"
+import { Button } from "@/components/chat/button"
+
+type CopyButtonProps = {
+  content: string
+  copyMessage?: string
+}
+
+export function CopyButton({ content, copyMessage }: CopyButtonProps) {
+  const { isCopied, handleCopy } = useCopyToClipboard({
+    text: content,
+    copyMessage,
+  })
+
+  return (
+    <Button
+      variant="ghost"
+      size="icon"
+      className="relative h-6 w-6"
+      aria-label="Copy to clipboard"
+      onClick={handleCopy}
+    >
+      <div className="absolute inset-0 flex items-center justify-center">
+        <Check
+          className={cn(
+            "h-4 w-4 transition-transform ease-in-out",
+            isCopied ? "scale-100" : "scale-0"
+          )}
+        />
+      </div>
+      <Copy
+        className={cn(
+          "h-4 w-4 transition-transform ease-in-out",
+          isCopied ? "scale-0" : "scale-100"
+        )}
+      />
+    </Button>
+  )
+}