feat: 미사용 이미지 기준과 관리자 자산 정리 통합

backend/src/routes/admin.js

@@ -361,7 +361,7 @@ router.get('/custom-items', requireAdmin, async (req, res) => {
     page: z.coerce.number().int().min(1).optional().default(1),
     limit: z.coerce.number().int().min(1).max(200).optional().default(50),
     filter: z
-      .enum(['library', 'all', 'user', 'template', 'asset', 'thumbnail', 'avatar', 'unused-user', 'replaced-user', 'unused-admin'])
+      .enum(['library', 'all', 'user', 'template', 'asset', 'thumbnail', 'avatar', 'unused', 'unused-user', 'replaced-user', 'unused-admin'])
       .optional()
       .default('library'),
   })
@@ -1140,11 +1140,27 @@ router.delete('/custom-items', requireAdmin, async (req, res) => {
   const parsed = schema.safeParse(req.query)
   if (!parsed.success) return res.status(400).json({ error: 'bad_request' })
 
-  const items = await findUnusedCustomItems({ queryText: parsed.data.q })
-  const ids = items.map((item) => item.id)
-  await deleteCustomItems(ids)
-  await removeUnreferencedCustomItemFiles(items)
-  res.json({ ok: true, deletedCount: ids.length })
+  const result = await listCustomItems({
+    queryText: parsed.data.q,
+    page: 1,
+    limit: 10000,
+    filterMode: 'unused',
+  })
+  const customItems = result.items.filter((item) => item?.sourceType === 'user')
+  const assetItems = result.items.filter((item) => item?.sourceType === 'asset' || item?.isAssetLibraryItem)
+  const customItemIds = customItems.map((item) => item.id)
+  const assetIds = assetItems
+    .map((item) => String(item.id || ''))
+    .filter((id) => id.startsWith('asset:'))
+    .map((id) => id.slice('asset:'.length))
+
+  await deleteCustomItems(customItemIds)
+  await removeUnreferencedCustomItemFiles(customItems)
+
+  const deletedAssets = await deleteImageAssets(assetIds)
+  await removeImageAssetFiles(deletedAssets)
+
+  res.json({ ok: true, deletedCount: customItemIds.length + deletedAssets.length })
 })
 
 router.get('/users', requireAdmin, async (req, res) => {