wip

ANNOTATE/web/static/js/chart_manager.js

@@ -1902,10 +1902,11 @@ class ChartManager {
             
             // Add prediction traces (ghost candles)
             if (predictionTraces.length > 0) {
-                // Remove existing ghost traces first (heuristic: traces with name 'Ghost Prediction')
+                // Remove existing ghost traces safely
+                // We iterate backwards to avoid index shifting issues when deleting
                 const currentTraces = plotElement.data.length;
                 const indicesToRemove = [];
-                for (let i = 0; i < currentTraces; i++) {
+                for (let i = currentTraces - 1; i >= 0; i--) {
                     if (plotElement.data[i].name === 'Ghost Prediction') {
                         indicesToRemove.push(i);
                     }