Add tab system to right sidebar with Indicators and Strategies

- Add two-tab navigation (Indicators, Strategies) in right sidebar
- Move all strategy-related content to Strategies tab
- Implement sidebar collapse/expand functionality
- Add indicator visibility toggle (eye button)
- Fix bug where wrong interval data was deleted on TF switch
- Add localStorage persistence for sidebar state and active tab
- Ensure indicators recalculate when TF changes

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

@@ -1,5 +1,5 @@
 import { TradingDashboard, refreshTA, openAIAnalysis } from './ui/chart.js';
-import { restoreSidebarState, toggleSidebar } from './ui/sidebar.js';
+import { restoreSidebarState, toggleSidebar, initSidebarTabs, restoreSidebarTabState } from './ui/sidebar.js';
 import { SimulationStorage } from './ui/storage.js';
 import { showExportDialog, closeExportDialog, performExport, exportSavedSimulation } from './ui/export.js';
 import { 
@@ -70,7 +70,6 @@ window.renderIndicatorList = function() {
 
 // Export init function for global access
 window.initIndicatorPanel = initIndicatorPanel;
-window.initIndicatorPanel = initIndicatorPanel;
 window.addIndicator = addIndicator;
 window.toggleIndicator = addIndicator;
 
@@ -81,6 +80,8 @@ window.IndicatorRegistry = IndicatorRegistry;
 document.addEventListener('DOMContentLoaded', async () => {
     window.dashboard = new TradingDashboard();
     restoreSidebarState();
+    restoreSidebarTabState();
+    initSidebarTabs();
     setDefaultStartDate();
     updateTimeframeDisplay();
     renderSavedSimulations();
@@ -93,6 +94,24 @@ document.addEventListener('DOMContentLoaded', async () => {
     const originalSwitchTimeframe = window.dashboard.switchTimeframe.bind(window.dashboard);
     window.dashboard.switchTimeframe = function(interval) {
         originalSwitchTimeframe(interval);
-        setTimeout(() => drawIndicatorsOnChart(), 500);
+        
+        // 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);
     };
 });