update

frontend/src/components/TopicDetail.vue

@@ -28,6 +28,8 @@ const props = defineProps({
   provider: { type: String, default: 'claude' },
 })
 
+const emit = defineEmits(['progressChanged'])
+
 const isOnePager = computed(() => props.previewGuide?.format === 'OnePager')
 
 // --- Inhalt laden ---
@@ -73,6 +75,7 @@ async function toggleChapter(title) {
   try {
     const res = await setProgress(props.previewGuide.id, title, newState)
     doneChapters.value = new Set(res.chapters || [])
+    emit('progressChanged')
   } catch {
     const rollback = new Set(doneChapters.value)
     if (newState) rollback.delete(title)