Fix: Block photo uploads on entity edits

src/components/admin/ParkForm.tsx

@@ -200,6 +200,19 @@ export function ParkForm({ onSubmit, onCancel, initialData, isEditing = false }:
 
   const handleFormSubmit = async (data: ParkFormData) => {    
     try {
+      // CRITICAL: Block new photo uploads on edits
+      if (isEditing && data.images?.uploaded) {
+        const hasNewPhotos = data.images.uploaded.some(img => img.isLocal);
+        if (hasNewPhotos) {
+          toast({
+            variant: 'destructive',
+            title: 'Validation Error',
+            description: 'New photos cannot be added during edits. Please remove new photos or use the photo gallery.'
+          });
+          return;
+        }
+      }
+
       // Build composite submission if new entities were created
       const submissionContent: any = {
         park: data,