레거시 본문 저장 형식 정규화

server/utils/admin-page-input.js

@@ -1,9 +1,10 @@
 import { z } from 'zod'
+import { normalizeMarkdownContent } from '../../lib/markdown-content-normalizer.js'
 
 export const adminPageInputSchema = z.object({
   title: z.string().trim().min(1),
   slug: z.string().trim().min(1).regex(/^[a-z0-9가-힣]+(?:-[a-z0-9가-힣]+)*$/),
-  content: z.string().default(''),
+  content: z.preprocess(normalizeMarkdownContent, z.string()).default(''),
   featuredImage: z.string().trim().nullable().default(null)
 })