update

frontend/src/components/TopicDetail.vue

@@ -5,6 +5,7 @@ import { renderMarkdown } from '../markdown.js'
 import { useChat } from '../composables/useChat.js'
 import BausteinPanel from './BausteinPanel.vue'
 import BausteinFokus from './BausteinFokus.vue'
+import SubbausteinView from './SubbausteinView.vue'
 
 const props = defineProps({
   previewGuide: { type: Object, default: null },
@@ -199,7 +200,8 @@ function extractContext() {
                 <span v-else-if="lernstand[s.title]?.verstanden" class="baustein-done verstanden" title="Vollständig verstanden (10/10)">✓✓ Verstanden</span>
                 <span v-else-if="lernstand[s.title]?.absolviert" class="baustein-done" title="Prüfung bestanden">✓ Absolviert</span>
               </h3>
-              <div class="section-body markdown" v-html="renderMarkdown(s.md)"></div>
+              <div v-if="isOnePager || !s.subbausteine?.length" class="section-body markdown" v-html="renderMarkdown(s.md)"></div>
+              <SubbausteinView v-else class="section-body" :subbausteine="s.subbausteine" :md="s.md" />
               <BausteinPanel
                 v-if="!isOnePager"
                 mode="trigger"