diff --git a/public/assets/js/ui-editor.js b/public/assets/js/ui-editor.js
index 854d3a6..6546809 100644
--- a/public/assets/js/ui-editor.js
+++ b/public/assets/js/ui-editor.js
@@ -332,12 +332,15 @@ export function initEditor() {
       (async() => {
         try {
           const row = await apiGet(current.resource, current.id);
-          jsonState = row?.content ?? row?.item?.content ?? '';
-          hasJson = !!jsonState;
+          const rawContent = row?.content ?? row?.item?.content ?? '';
+          const trimmed = String(rawContent || '').trim();
+          const looksJson = trimmed.startsWith('{') || trimmed.startsWith('[');
+          jsonState = looksJson ? rawContent : '';
+          hasJson = looksJson;
           // API liefert jetzt top-level html/content; fallback auf item.*
           fresh = row?.html ?? row?.item?.html ?? '';
-          if (!fresh && !hasJson) {
-            fresh = row?.content ?? row?.item?.content ?? '';
+          if (!fresh && !looksJson) {
+            fresh = rawContent;
           }
         } catch {}
       })(),