feat(events): stream Redis invalidations over SSE

components/public/guide-shell.tsx

@@ -7,6 +7,7 @@ import {
 } from "@/components/public/block-renderer";
 import { SectionDrawer } from "@/components/public/section-drawer";
 import { SiteHeader } from "@/components/public/site-header";
+import { LiveRefresh } from "@/components/live-refresh";
 import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert";
 import { Badge } from "@/components/ui/badge";
 import { Separator } from "@/components/ui/separator";
@@ -18,6 +19,9 @@ export function GuideShell({ snapshot }: { snapshot: PageSnapshot }) {
 
   return (
     <div className="min-h-svh bg-background">
+      {process.env.BUZZ_DEMO_MODE === "true" ? null : (
+        <LiveRefresh endpoint={`/api/events/page/${snapshot.page.id}`} />
+      )}
       <SiteHeader />
       <div className="sticky top-0 z-30 border-b bg-background/95 supports-backdrop-filter:backdrop-blur">
         <div className="mx-auto w-full max-w-7xl px-4 sm:px-6">