error modals are so on

pkg/embedfs/files/js/copytoclipboard.js

@@ -0,0 +1,17 @@
+function copyToClipboard(elementId, buttonId) {
+  const element = document.getElementById(elementId);
+  const button = document.getElementById(buttonId);
+
+  navigator.clipboard.writeText(element.innerText)
+    .then(() => {
+      const originalText = button.innerText;
+      button.innerText = 'Copied!';
+      setTimeout(() => {
+        button.innerText = originalText;
+      }, 2000);
+    })
+    .catch(err => {
+      console.error('Failed to copy:', err);
+      button.innerText = 'Failed';
+    });
+}