릴리스: v1.4.19 템플릿 아이템 삭제 영향 경고 및 보존 정책 정리

frontend/src/components/admin/AdminGamesSection.vue

@@ -125,7 +125,7 @@ function setThumbFileElement(el) {
           <img v-if="props.displayThumbnailUrl" class="selectedThumb selectedThumb--sidebar" :src="props.displayThumbnailUrl" :alt="props.selectedTemplate.game.name" />
           <div v-else class="selectedThumb selectedThumb--empty selectedThumb--sidebar">대표 썸네일</div>
           <div class="thumbDropZone__copy">
-            <div class="thumbDropZone__iconWrap">
+            <div v-if="!props.displayThumbnailUrl" class="thumbDropZone__iconWrap">
               <SvgIcon :src="addPhotoAlternateIcon" alt="" class="thumbDropZone__icon" />
             </div>
             <div class="thumbDropZone__title">{{ props.displayThumbnailUrl ? '썸네일 변경' : '클릭 & 드래그' }}</div>

frontend/src/views/AdminView.vue

@@ -1,5 +1,5 @@
 <script setup>
-import { Teleport, computed, inject, onMounted, onUnmounted, ref, watch } from 'vue'
+import { Teleport, computed, inject, nextTick, onMounted, onUnmounted, ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { api } from '../lib/api'
 import { editorPath } from '../lib/paths'
@@ -1215,7 +1215,25 @@ async function toggleSelectedTemplateVisibility(nextValue) {
 
 async function removeTemplateItem(itemId) {
   resetMessages()
+  if (!selectedTemplateId.value) return
   try {
+    const usageRes = await fetch(
+      toApiUrl(`/api/admin/templates/${encodeURIComponent(selectedTemplateId.value)}/items/${encodeURIComponent(itemId)}/usage`),
+      {
+        credentials: 'include',
+      }
+    )
+    if (!usageRes.ok) throw new Error('usage_failed')
+
+    const usageData = await usageRes.json()
+    const usage = usageData?.usage || { totalCount: 0, publicCount: 0, privateCount: 0 }
+    const impactMessage = usage.totalCount
+      ? `이 아이템은 이미 저장된 티어표 ${usage.totalCount}개(공개 ${usage.publicCount}개, 비공개 ${usage.privateCount}개)에서 사용 중이에요.\n기존 티어표에는 영향을 주지 않고, 이후 새로 만드는 티어표에서만 제외됩니다.\n정말 삭제할까요?`
+      : '이 기본 아이템을 삭제할까요?\n기존 저장 티어표에는 영향을 주지 않고, 이후 새로 만드는 티어표에서만 제외됩니다.'
+    const ok = window.confirm(impactMessage)
+    if (!ok) return
+
+    const previousScrollY = window.scrollY
     const res = await fetch(
       toApiUrl(`/api/admin/templates/${encodeURIComponent(selectedTemplateId.value)}/items/${encodeURIComponent(itemId)}`),
       {
@@ -1226,6 +1244,8 @@ async function removeTemplateItem(itemId) {
     if (!res.ok) throw new Error('failed')
 
     await loadTemplate()
+    await nextTick()
+    window.scrollTo({ top: previousScrollY, behavior: 'auto' })
     success.value = '템플릿 기본 아이템을 삭제했어요.'
   } catch (e) {
     error.value = '템플릿 기본 아이템 삭제에 실패했어요.'