feat: Add persistent settings and multiple layouts support

- Add settings manager to persist symbol, timeframe, and layouts
- Support multiple layouts for comprehensive chart analysis
- Remove debug screenshots for cleaner logs
- Update AI analysis with professional trading prompt
- Add multi-screenshot analysis for better trading insights
- Update analyze API to use saved settings and multiple layouts

app/page.tsx

@@ -0,0 +1,11 @@
+import AIAnalysisPanel from '../components/AIAnalysisPanel'
+import Dashboard from '../components/Dashboard'
+
+export default function HomePage() {
+  return (
+    <>
+      <AIAnalysisPanel />
+      <Dashboard />
+    </>
+  )
+}