Add extensive diagnostic logging to track indicator array lifecycle

- Log initIndicatorPanel call stack
- Log addIndicator with array count changes
- Helps identify when/why activeIndicators gets cleared on TF switch

src/api/dashboard/static/js/ui/indicators-panel-new.js

@@ -88,6 +88,8 @@ function groupPlotsByColor(plots) {
 
 export function initIndicatorPanel() {
     console.log('[IndicatorPanel] Initializing...');
+    console.log('[IndicatorPanel] Current activeIndicators count:', activeIndicators.length);
+    console.trace('[IndicatorPanel] initIndicatorPanel call stack:');
     renderIndicatorPanel();
     console.log('[IndicatorPanel] Initialized');
 }
@@ -626,6 +628,9 @@ function addIndicator(type) {
         params[input.name] = input.default;
     });
     
+    console.log(`[addIndicator] Adding ${id} to array, current count: ${activeIndicators.length}`);
+    console.trace('Call stack:');
+    
     activeIndicators.push({
         id,
         type,
@@ -635,6 +640,9 @@ function addIndicator(type) {
         series: [],
         visible: true
     });
+    
+    console.log(`[addIndicator] After push, array count: ${activeIndicators.length}`);
+    
     // Don't set configuringId so indicators are NOT expanded by default
     renderIndicatorPanel();
     drawIndicatorsOnChart();