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src/views/InstructorView.js

@@ -859,6 +859,10 @@ export function setupInstructorEvents() {
         }, 10);
     };
 
+    // Expose these functions globally immediately so they're available to button handlers
+    window.renderTransposedHeatmap = renderTransposedHeatmap;
+    window.showBroadcastModal = showBroadcastModal;
+
     // Close Modal Logic (Global helper)
     window.closeBroadcastModal = () => {
         const modal = document.getElementById('broadcast-modal');