로딩 문구와 제목 보정

frontend/src/views/TierEditorView.vue

@@ -125,13 +125,19 @@ const effectiveAuthorName = computed(() => {
   return (authorAccountName.value || '').trim() || 'unknown'
 })
 const autoGeneratedTitle = ref(createAutoTierListTitle())
-const effectiveTitle = computed(() => {
+const saveTitle = computed(() => {
   const customTitle = (title.value || '').trim()
   if (customTitle) return customTitle
-  if (persistedTierListId.value) return persistedTierListId.value
-  if (tierListId.value && tierListId.value !== 'new') return tierListId.value
   return autoGeneratedTitle.value
 })
+const displayTitle = computed(() => {
+  const customTitle = (title.value || '').trim()
+  if (customTitle) return customTitle
+  const topicName = (templateName.value || '').trim()
+  if (topicName) return `${topicName} 티어표`
+  if (isEditorLoading.value) return ''
+  return '제목 없는 티어표'
+})
 const displayThumbnailUrl = computed(() => thumbnailPreviewUrl.value || (thumbnailSrc.value ? resolveItemSrc({ src: thumbnailSrc.value }) : ''))
 const untitledWarning = computed(
   () =>
@@ -916,7 +922,7 @@ async function downloadImage() {
     const url = URL.createObjectURL(blob)
     const a = document.createElement('a')
     a.href = url
-    a.download = `${effectiveTitle.value.trim()}.png`
+    a.download = `${(displayTitle.value || 'tier-maker').trim()}.png`
     document.body.appendChild(a)
     a.click()
     a.remove()
@@ -980,7 +986,7 @@ async function uploadPendingThumbnail() {
 }
 
 function buildPayload(existingId) {
-  const finalTitle = effectiveTitle.value
+  const finalTitle = saveTitle.value
   return {
     id: existingId || undefined,
     topicId: templateId.value,
@@ -1267,6 +1273,7 @@ function resetEditorStateForRoute() {
   groups.value = normalizeLoadedGroups([], columns.value)
   pool.value = []
   itemsById.value = {}
+  templateName.value = ''
   title.value = ''
   persistedTierListId.value = ''
   thumbnailSrc.value = ''
@@ -1416,7 +1423,7 @@ watch(
   () => {
     loadEditorState()
   },
-  { immediate: true }
+  { immediate: true, flush: 'sync' }
 )
 
 onMounted(() => {