Add diagnostic logging for indicator visibility debugging

- Log visibility state for all indicators
- Log when indicators are checked for rendering
- Log active indicators state on each draw call

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

@@ -91,6 +91,7 @@ export function initIndicatorPanel() {
 }
 
 export function getActiveIndicators() {
+    console.log('getActiveIndicators:', activeIndicators.map(i => ({id: i.id, visible: i.visible})));
     return activeIndicators;
 }
 
@@ -782,13 +783,13 @@ export function drawIndicatorsOnChart() {
     const currentInterval = window.dashboard.currentInterval;
     const candles = window.dashboard.allData.get(currentInterval);
     
+    console.log(`drawIndicatorsOnChart called: interval=${currentInterval}, candles=${candles?.length || 0}, activeIndicators=${activeIndicators.length}`);
+    console.log('Active indicators visibility:', activeIndicators.map(i => ({id: i.id, visible: i.visible})));
+    
     if (!candles || candles.length === 0) {
         return;
     }
     
-    // Log: Ensure we're using the correct interval candles
-    console.log(`drawIndicatorsOnChart for interval=${currentInterval}, candles=${candles.length}`);
-    
     // First, remove all existing series
     activeIndicators.forEach(ind => {
         ind.series?.forEach(s => {
@@ -811,7 +812,9 @@ export function drawIndicatorsOnChart() {
     
     // Process all indicators, filtering by visibility
     activeIndicators.forEach(ind => {
-        if (ind.visible === false) {
+        console.log(`Checking indicator ${ind.id} for rendering - visible=${ind.visible}, type=${typeof ind.visible}`);
+        if (ind.visible === false || ind.visible === 'false') {
+            console.log(`Skipping invisible indicator ${ind.id}`);
             return;
         }