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src/views/InstructorView.js

@@ -1237,7 +1237,7 @@ export function setupInstructorEvents() {
             dashboardContent.classList.remove('hidden');
             document.getElementById('group-photo-btn').classList.remove('hidden'); // Show photo button
             displayRoomCode.textContent = roomCode;
-            localStorage.setItem('vibecoding_instructor_room', roomCode);
+            localStorage.setItem('vibecoding_room_code', roomCode);
             sessionStorage.setItem('vibecoding_instructor_in_room', 'true');
 
             // Unsubscribe previous if any
@@ -1271,7 +1271,7 @@ export function setupInstructorEvents() {
 
                 // State Clear
                 sessionStorage.removeItem('vibecoding_instructor_in_room');
-                localStorage.removeItem('vibecoding_instructor_room');
+                localStorage.removeItem('vibecoding_room_code');
             }
         });
 
@@ -1345,7 +1345,7 @@ export function setupInstructorEvents() {
             const modal = document.getElementById('broadcast-modal');
             const userId = modal.dataset.userId;
             const challengeId = modal.dataset.challengeId;
-            const roomCode = localStorage.getItem('vibecoding_instructor_room');
+            const roomCode = localStorage.getItem('vibecoding_room_code');
 
             if (userId && challengeId && roomCode) {
                 try {
@@ -1461,7 +1461,7 @@ export function setupInstructorEvents() {
 
             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');
+                const roomCode = localStorage.getItem('vibecoding_room_code');
                 console.log('  roomCode:', roomCode);
 
                 if (userId && challengeId && roomCode) {