Allow persistent edits by submitter; admins can edit any submission (UI only)

client/src/pages/TutorialTasks.tsx

@@ -1561,7 +1561,7 @@ const TutorialTasks: React.FC = () => {
                             </div>
                           </div>
                           <div className="flex items-center space-x-2 mt-2">
-                            {submission.isOwner && (
+                            {(submission.isOwner || (JSON.parse(localStorage.getItem('user') || '{}').role === 'admin')) && (
                               <button
                                 onClick={() => handleEditSubmission(submission._id, submission.transcreation)}
                                 className="text-indigo-900 hover:text-indigo-900 text-sm font-medium"

client/src/pages/WeeklyPractice.tsx

@@ -2215,7 +2215,7 @@ const WeeklyPractice: React.FC = () => {
                                 {(submission.voteCounts?.['1'] || 0) + (submission.voteCounts?.['2'] || 0) + (submission.voteCounts?.['3'] || 0)}
                         </span>
                       </div>
-                            {submission.isOwner && (
+                            {(submission.isOwner || (JSON.parse(localStorage.getItem('user') || '{}').role === 'admin')) && (
                               <button
                                 onClick={() => handleEditSubmission(submission._id, submission.transcreation)}
                                 className="text-purple-600 hover:text-purple-800 text-sm font-medium"