Allow heading tags (h1-h6) in ContentSanitizer so news editor headings render

resources/js/Pages/Admin/Academy/CrudForm.jsx

@@ -51,6 +51,38 @@ function serializeStructuredJson(value) {
   }
 }
 
+function copyTextToClipboard(text) {
+  const source = String(text || '')
+  if (!source) return Promise.reject(new Error('Nothing to copy'))
+
+  if (typeof navigator !== 'undefined' && navigator.clipboard && typeof navigator.clipboard.writeText === 'function') {
+    return navigator.clipboard.writeText(source)
+  }
+
+  if (typeof document === 'undefined' || !document.body) {
+    return Promise.reject(new Error('Clipboard unavailable'))
+  }
+
+  const textarea = document.createElement('textarea')
+  textarea.value = source
+  textarea.setAttribute('readonly', 'true')
+  textarea.style.position = 'fixed'
+  textarea.style.top = '-1000px'
+  textarea.style.left = '-1000px'
+  document.body.appendChild(textarea)
+  textarea.select()
+
+  try {
+    if (document.execCommand('copy')) {
+      return Promise.resolve()
+    }
+  } finally {
+    document.body.removeChild(textarea)
+  }
+
+  return Promise.reject(new Error('Clipboard unavailable'))
+}
+
 function getField(fields, name) {
   return fields.find((field) => field.name === name) || null
 }