feat(comments): Auto-open accordion wenn Kommentare vorhanden, Pages-Support

- Post: Kommentar-Count server-seitig laden, Accordion offen wenn count > 0
- Page-Route: optionale Kommentare via commentsEnabled-Flag (Schema: default false)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/routes/[...slug]/+page.server.ts

@@ -1,5 +1,5 @@
 import type { PageServerLoad } from './$types';
-import { getPageBySlug } from '$lib/cms';
+import { getPageBySlug, getCommentCounts } from '$lib/cms';
 import {
   extractCmsImageField,
   ensureTransformedImage,
@@ -130,9 +130,17 @@ export const load: PageServerLoad = async ({ params, locals, fetch, url, setHead
     }
   }
 
+  const commentsEnabled = !!(page as { commentsEnabled?: boolean }).commentsEnabled;
+  const commentPageId = commentsEnabled ? (page._slug ?? slug) : null;
+  const commentCount = commentPageId
+    ? (await getCommentCounts([commentPageId]))[commentPageId] ?? 0
+    : 0;
+
   return {
     page,
     translations,
+    commentPageId,
+    commentCount,
     preview: !!preview,
     previewDraft: !!previewDraft,
     seoTitle: page.seoTitle ?? page.headline ?? page.linkName ?? slug,