refactor: remove catalog sync jobs and version history

app/admin/page.tsx

@@ -4,15 +4,14 @@ import { connection } from "next/server";
 import { StructuredDashboard } from "@/components/admin/structured-dashboard";
 import { AdminHeader } from "@/components/admin/admin-header";
 import { getAdminSession } from "@/lib/auth/server";
-import { getActiveCatalog, getLatestCatalogSyncJob, listGuideCards } from "@/lib/guides/queries";
+import { getActiveCatalog, listGuideCards } from "@/lib/guides/queries";
 
 export default async function AdminPage() {
   await connection();
   if (!(await getAdminSession())) redirect("/admin/login");
-  const [guides, trash, syncJob, catalog] = await Promise.all([
+  const [guides, trash, catalog] = await Promise.all([
     listGuideCards(),
     listGuideCards(true),
-    getLatestCatalogSyncJob(),
     getActiveCatalog(),
   ]);
   return (
@@ -24,7 +23,7 @@ export default async function AdminPage() {
           <h1 className="font-heading text-3xl font-semibold">Guide Dashboard</h1>
           <p className="mt-2 text-muted-foreground">จัดการ Guide แบบภาพ-first และบันทึกขึ้นเว็บไซต์ทันที</p>
         </header>
-        <StructuredDashboard guides={guides} trash={trash} syncJob={syncJob} catalogVersion={catalog?.version ?? null} />
+        <StructuredDashboard guides={guides} trash={trash} catalogReady={Boolean(catalog)} />
       </main>
     </div>
   );