Clean up and finalize indicator persistence on TF change

- Remove multiple delayed redraw calls from app.js (now handled in chart.js)
- Remove excessive diagnostic logging throughout codebase
- Keep useful debug warning for old indicators-panel.js module
- Indicator list, parameters, and visibility now persist across TF switches
- Indicators automatically recalculate with new TF candles when they load

src/api/dashboard/static/js/app.js

@@ -64,8 +64,7 @@ window.deleteSavedSimulation = deleteSavedSimulation;
 window.clearSimulationResults = clearSimulationResults;
 window.updateTimeframeDisplay = updateTimeframeDisplay;
 window.renderIndicatorList = function() {
-    // Legacy function - replaced by initIndicatorPanel
-    window.initIndicatorPanel();
+    // This function is no longer needed for sidebar indicators
 };
 
 // Export init function for global access
@@ -88,30 +87,6 @@ document.addEventListener('DOMContentLoaded', async () => {
     
     await loadStrategies();
     
-    // Initialize new indicator panel
+    // Initialize indicator panel
     window.initIndicatorPanel();
-    
-    const originalSwitchTimeframe = window.dashboard.switchTimeframe.bind(window.dashboard);
-    window.dashboard.switchTimeframe = function(interval) {
-        originalSwitchTimeframe(interval);
-        
-        // Force redraw indicators after TF switch with multiple attempts
-        setTimeout(() => {
-            if (window.drawIndicatorsOnChart) {
-                window.drawIndicatorsOnChart();
-            }
-        }, 100);
-        
-        setTimeout(() => {
-            if (window.drawIndicatorsOnChart) {
-                window.drawIndicatorsOnChart();
-            }
-        }, 300);
-        
-        setTimeout(() => {
-            if (window.drawIndicatorsOnChart) {
-                window.drawIndicatorsOnChart();
-            }
-        }, 500);
-    };
 });