feat: sidebar beta badge for workflows, settings and profile improvements

Add beta badge to Workflows in the sidebar. Include settings page
improvements, workflow detail updates, profile info and sidebar
nav refinements, and validate-api-key endpoint.

src/components/shared/Sidebar.tsx

@@ -48,6 +48,11 @@ export default function Sidebar() {
                     >
                       {nav.icon}
                       {nav.title}
+                      {nav.badge && (
+                        <span className="ml-auto text-[10px] font-medium px-1.5 py-0.5 rounded-full bg-amber-500/15 text-amber-600 dark:text-amber-400 leading-none">
+                          {nav.badge}
+                        </span>
+                      )}
                     </Link>
                   ))}
                 </div>

src/config/constants/sidebarNavs.tsx

@@ -4,6 +4,7 @@ interface SidebarNav {
   title: string;
   link: string;
   icon: React.ReactNode;
+  badge?: string;
 }
 
 interface SidebarGroup {
@@ -34,7 +35,7 @@ export const sidebarGroups: SidebarGroup[] = [
   {
     label: "Automation",
     items: [
-      { title: "Workflows", link: "/workflows", icon: <Workflow className="h-4 w-4" /> },
+      { title: "Workflows", link: "/workflows", icon: <Workflow className="h-4 w-4" />, badge: "Beta" },
     ],
   },
   {