website refactor

apps/website/ui/DashboardRail.tsx

@@ -0,0 +1,21 @@
+import React from 'react';
+
+interface DashboardRailProps {
+  children?: React.ReactNode;
+  className?: string;
+}
+
+/**
+ * DashboardRail is the primary sidebar navigation for the "Telemetry Workspace".
+ * It provides a high-density, instrument-grade navigation experience.
+ * Aligned with "Precision Racing Minimal" theme.
+ */
+export function DashboardRail({ children, className = '' }: DashboardRailProps) {
+  return (
+    <aside 
+      className={`hidden lg:flex flex-col w-64 bg-[#141619] border-r border-[#23272B] overflow-y-auto ${className}`}
+    >
+      {children}
+    </aside>
+  );
+}