feat: Dashboard improvements and configuration updates

Dashboard:
- Enhanced terminal components (ClaudeTerminal, GlobalClaudeTerminal)
- Improved MarkdownRenderer for better documentation display
- Updated convergence plots (ConvergencePlot, PlotlyConvergencePlot)
- Refined Home, Analysis, Dashboard, Setup, Results pages
- Added StudyContext improvements
- Updated vite.config for better dev experience

Configuration:
- Updated CLAUDE.md with latest instructions
- Enhanced launch_dashboard.py
- Updated config.py settings

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

atomizer-dashboard/frontend/src/pages/Dashboard.tsx

@@ -375,7 +375,7 @@ export default function Dashboard() {
   };
 
   return (
-    <div className="w-full max-w-[2400px] mx-auto px-4">
+    <div className="w-full">
       {/* Alerts */}
       <div className="fixed top-4 right-4 z-50 space-y-2">
         {alerts.map(alert => (
@@ -436,13 +436,21 @@ export default function Dashboard() {
             <StudyReportViewer studyId={selectedStudyId} />
           )}
           <button
-            onClick={() => {
-              // Open Optuna dashboard on port 8081
-              // Note: The dashboard needs to be started separately with the correct study database
-              window.open('http://localhost:8081', '_blank');
+            onClick={async () => {
+              if (!selectedStudyId) return;
+              try {
+                // Launch Optuna dashboard via API, then open the returned URL
+                const result = await apiClient.launchOptunaDashboard(selectedStudyId);
+                window.open(result.url || 'http://localhost:8081', '_blank');
+              } catch (err) {
+                // If launch fails (maybe already running), try opening directly
+                console.warn('Failed to launch dashboard:', err);
+                window.open('http://localhost:8081', '_blank');
+              }
             }}
             className="btn-secondary"
-            title="Open Optuna Dashboard (runs on port 8081)"
+            title="Launch Optuna Dashboard for this study"
+            disabled={!selectedStudyId}
           >
             Optuna Dashboard
           </button>