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src/views/InstructorView.js

@@ -1453,20 +1453,41 @@ export function setupInstructorEvents() {
 
         // Helper Actions
         window.confirmReset = async (userId, challengeId, title) => {
+            console.log('🔵 confirmReset called');
+            console.log('  userId:', userId);
+            console.log('  challengeId:', challengeId);
+            console.log('  title:', title);
+            console.log('  typeof resetProgress:', typeof resetProgress);
+
             if (confirm(`確定要退回 ${title} 嗎？此動作將清除學員目前的進度。`)) {
+                console.log('✅ User confirmed reset');
                 const roomCode = localStorage.getItem('vibecoding_instructor_room');
+                console.log('  roomCode:', roomCode);
+
                 if (userId && challengeId && roomCode) {
+                    console.log('✅ All parameters valid, calling resetProgress...');
                     try {
                         // Use already imported resetProgress function
                         await resetProgress(userId, roomCode, challengeId);
+                        console.log('✅ resetProgress completed successfully');
                         alert("已退回");
                         // close modal to refresh data context
                         document.getElementById('prompt-list-modal').classList.add('hidden');
+                        console.log('✅ Modal closed');
                     } catch (e) {
-                        console.error("退回失敗:", e);
+                        console.error("❌ 退回失敗:", e);
+                        console.error("Error stack:", e.stack);
                         alert("退回失敗: " + e.message);
                     }
+                } else {
+                    console.error('❌ Missing required parameters:');
+                    console.error('  userId:', userId, '(valid:', !!userId, ')');
+                    console.error('  challengeId:', challengeId, '(valid:', !!challengeId, ')');
+                    console.error('  roomCode:', roomCode, '(valid:', !!roomCode, ')');
+                    alert('缺少必要參數，無法執行退回操作');
                 }
+            } else {
+                console.log('❌ User cancelled reset');
             }
         };