feat(events): stream Redis invalidations over SSE

app/admin/templates/page.tsx

@@ -2,6 +2,7 @@ import { redirect } from "next/navigation";
 import { connection } from "next/server";
 
 import { AdminSidebar } from "@/components/admin/admin-sidebar";
+import { LiveRefresh } from "@/components/live-refresh";
 import { TemplateGallery } from "@/components/admin/template-gallery";
 import { SidebarInset, SidebarProvider, SidebarTrigger } from "@/components/ui/sidebar";
 import { getAdminSession } from "@/lib/auth/server";
@@ -15,6 +16,9 @@ export default async function TemplatesPage() {
 
   return (
     <SidebarProvider>
+      {process.env.BUZZ_DEMO_MODE === "true" ? null : (
+        <LiveRefresh endpoint="/api/events/admin" />
+      )}
       <AdminSidebar navigation={navigation} />
       <SidebarInset>
         <header className="flex min-h-14 items-center gap-3 border-b px-4">