관리자 아이템 필터와 미사용 분류 정리

backend/src/db.js

@@ -205,10 +205,17 @@ function getAssetLibrarySourceLabel(src) {
   const normalizedSrc = String(src || '').trim()
   if (normalizedSrc.includes('/uploads/assets/avatars/')) return '프로필 아바타'
   if (normalizedSrc.includes('/uploads/assets/tierlists/')) return '티어표 썸네일'
-  if (normalizedSrc.includes('/uploads/assets/topics/')) return '템플릿 썸네일'
+  if (normalizedSrc.includes('/uploads/assets/topics/')) return '썸네일 이미지'
   return '보관 자산'
 }
 
+function getAssetLibraryKind(src) {
+  const normalizedSrc = String(src || '').trim()
+  if (normalizedSrc.includes('/uploads/assets/avatars/')) return 'avatar'
+  if (normalizedSrc.includes('/uploads/assets/tierlists/') || normalizedSrc.includes('/uploads/assets/topics/')) return 'thumbnail'
+  return 'asset'
+}
+
 async function createPool() {
   const rootConnection = await mysql.createConnection({
     host: DB_HOST,
@@ -1845,7 +1852,7 @@ async function listCustomItems({ queryText = '', page = 1, limit = 50, filterMod
       usageCount: usageMeta.usageMap.get(row.id) || 0,
       linkedTemplates,
       sourceType: 'user',
-      sourceLabel: '사용자 업로드',
+      sourceLabel: '사용자 아이템',
       canDelete: true,
     }
   })
@@ -1867,6 +1874,7 @@ async function listCustomItems({ queryText = '', page = 1, limit = 50, filterMod
       linkedTemplates: [],
       sourceType: 'asset',
       sourceLabel: getAssetLibrarySourceLabel(row.src),
+      assetKind: getAssetLibraryKind(row.src),
       canDelete: true,
       sourceTopicId: '',
       sourceTopicName: '',
@@ -1884,7 +1892,7 @@ async function listCustomItems({ queryText = '', page = 1, limit = 50, filterMod
     usageCount: (templateLinkedBySrc.get(row.src) || new Map()).size,
     linkedTemplates: Array.from((templateLinkedBySrc.get(row.src) || new Map()).values()),
     sourceType: 'template',
-    sourceLabel: '관리자 템플릿',
+    sourceLabel: '템플릿 아이템',
     canDelete: true,
     sourceTopicId: row.topic_id,
     sourceTopicName: row.topic_name || row.topic_id,
@@ -1930,6 +1938,7 @@ async function listCustomItems({ queryText = '', page = 1, limit = 50, filterMod
             label: entry.label,
             sourceLabel: entry.sourceLabel,
             sourceType: entry.sourceType,
+            assetKind: entry.assetKind || '',
             ownerName: entry.ownerName,
             createdAt: entry.createdAt,
             sourceTopicId: entry.sourceTopicId || '',
@@ -1948,6 +1957,10 @@ async function listCustomItems({ queryText = '', page = 1, limit = 50, filterMod
           return item.sourceType === 'template' && !item.isAssetLibraryItem
         case 'asset':
           return item.sourceType === 'asset' || !!item.isAssetLibraryItem
+        case 'thumbnail':
+          return item.sourceType === 'asset' && item.assetKind === 'thumbnail'
+        case 'avatar':
+          return item.sourceType === 'asset' && item.assetKind === 'avatar'
         case 'library':
           return item.sourceType === 'user' || (item.sourceType === 'template' && !item.isAssetLibraryItem)
         case 'unused-user':