홈 피드와 템플릿 분리

frontend/src/views/TopicHubView.vue

@@ -5,6 +5,7 @@ import { api } from '../lib/api'
 import { toApiUrl } from '../lib/runtime'
 import { editorNewPath, editorPath, loginPath } from '../lib/paths'
 import { useAuthStore } from '../stores/auth'
+import { displayInitialFrom } from '../lib/display'
 
 const route = useRoute()
 const router = useRouter()
@@ -39,7 +40,7 @@ function avatarSrcOf(tierList) {
 }
 
 function avatarFallbackOf(tierList) {
-  return (tierList.authorAccountName || 'u').trim().charAt(0).toUpperCase() || '?'
+  return displayInitialFrom(tierList.authorName, tierList.authorAccountName, '?')
 }
 
 function tierListThumbnailUrl(tierList) {