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

resources/js/lib/uploadNotices.js

@@ -23,6 +23,17 @@ function normalizeType(value, fallback = 'error') {
   return fallback
 }
 
+function firstValidationError(errors) {
+  if (!errors || typeof errors !== 'object') return ''
+
+  for (const value of Object.values(errors)) {
+    if (Array.isArray(value) && value[0]) return String(value[0]).trim()
+    if (typeof value === 'string' && value.trim()) return value.trim()
+  }
+
+  return ''
+}
+
 export function mapUploadErrorNotice(error, fallback = 'Upload failed.') {
   const status = Number(error?.response?.status || 0)
   const payload = error?.response?.data || {}
@@ -30,6 +41,7 @@ export function mapUploadErrorNotice(error, fallback = 'Upload failed.') {
   const mapped = REASON_MAP[reason]
   const errorCode = String(error?.code || '').toUpperCase()
   const rawMessage = typeof error?.message === 'string' ? error.message.trim() : ''
+  const validationMessage = firstValidationError(payload?.errors)
   const timedOut = errorCode === 'ECONNABORTED' || /timeout/i.test(rawMessage)
   const requestTooLarge = status === 413
 
@@ -41,6 +53,7 @@ export function mapUploadErrorNotice(error, fallback = 'Upload failed.') {
     (requestTooLarge ? 'Server rejected this upload chunk as too large. Retrying with smaller chunks may help, or increase Nginx/PHP upload limits.' : '') ||
     (timedOut ? 'Upload request timed out before the server responded. Check Nginx/PHP-FPM body handling and try again.' : '') ||
     mapped?.message ||
+    validationMessage ||
     (typeof payload?.message === 'string' && payload.message.trim()) ||
     rawMessage ||
     fallback