feat(events): stream Redis invalidations over SSE

app/admin/[character]/[page]/page.tsx

@@ -2,6 +2,7 @@ import { notFound, redirect } from "next/navigation";
 import { connection } from "next/server";
 
 import { EditorWorkspace } from "@/components/admin/editor-workspace";
+import { LiveRefresh } from "@/components/live-refresh";
 import { getAdminSession } from "@/lib/auth/server";
 import { loadAdminNavigation, loadAdminPage } from "@/lib/content/loaders";
 
@@ -18,5 +19,16 @@ export default async function AdminEditorPage({
     loadAdminNavigation(),
   ]);
   if (!snapshot) notFound();
-  return <EditorWorkspace snapshot={snapshot} navigation={navigation} />;
+  return (
+    <>
+      {process.env.BUZZ_DEMO_MODE === "true" ? null : (
+        <LiveRefresh endpoint="/api/events/admin" />
+      )}
+      <EditorWorkspace
+        key={`${snapshot.page.id}:${snapshot.page.version}`}
+        snapshot={snapshot}
+        navigation={navigation}
+      />
+    </>
+  );
 }

app/admin/page.tsx

@@ -4,6 +4,7 @@ import { redirect } from "next/navigation";
 import { connection } from "next/server";
 
 import { AdminSidebar } from "@/components/admin/admin-sidebar";
+import { LiveRefresh } from "@/components/live-refresh";
 import { Badge } from "@/components/ui/badge";
 import { Button } from "@/components/ui/button";
 import {
@@ -25,6 +26,9 @@ export default async function AdminPage() {
 
   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">

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">