사이트 로고 캐시 갱신 보강

server/routes/admin/api/settings/logo.post.js

@@ -31,6 +31,14 @@ const clampNumber = (value, minimum, maximum) => {
   return Math.round(value)
 }
 
+/**
+ * 시스템 로고 파일명에 사용할 짧은 고유 접미사를 만든다.
+ * @returns {string} 파일명 접미사
+ */
+const createSystemAssetSuffix = () => `${new Date().toISOString()
+  .replace(/[-:]/g, '')
+  .replace(/\.\d{3}Z$/g, '')}-${Math.random().toString(36).slice(2, 8)}`
+
 /**
  * 사이트 로고 업로드 API
  * @param {import('h3').H3Event} event - 요청 이벤트
@@ -77,10 +85,13 @@ export default defineEventHandler(async (event) => {
   const uploadBaseUrl = String(config.uploadDir || '/uploads').replace(/\/+$/g, '') || '/uploads'
   const publicBasePath = uploadBaseUrl.replace(/^\/+/, '')
   const directoryPath = join(process.cwd(), 'public', publicBasePath, 'system')
-  const logoPath = join(directoryPath, 'logo.webp')
-  const faviconPath = join(directoryPath, 'favicon.png')
-  const logoUrl = `${uploadBaseUrl}/system/logo.webp`
-  const faviconUrl = `${uploadBaseUrl}/system/favicon.png`
+  const assetSuffix = createSystemAssetSuffix()
+  const logoFileName = `logo-${assetSuffix}.webp`
+  const faviconFileName = `favicon-${assetSuffix}.png`
+  const logoPath = join(directoryPath, logoFileName)
+  const faviconPath = join(directoryPath, faviconFileName)
+  const logoUrl = `${uploadBaseUrl}/system/${logoFileName}`
+  const faviconUrl = `${uploadBaseUrl}/system/${faviconFileName}`
 
   await mkdir(directoryPath, { recursive: true })