전체 코드, 구조 검토 - P0 코드 수정 진행

lib/maestros.ts

@@ -5,6 +5,7 @@ import { logger } from "@/lib/logger";
 import { ApiError } from "@/lib/errors";
 import { ACTIVATE_STATUSES, PAID_ACCOUNT_TYPE_VALUES } from "@/lib/constants";
 import type { Prisma } from "@/lib/generated/prisma/client";
+import { formatDate } from "@/lib/utils";
 
 const pageSizeOptions = [10, 20, 50, 100] as const;
 const sortOptions = [
@@ -213,11 +214,8 @@ export async function updateMaestro(
       const newMin = Math.floor(newDate.getTime() / 60000);
       if (prevMin !== newMin) {
         updates.AvailableActivateDateTime = newDate;
-        const prevStr = maestro.AvailableActivateDateTime.toISOString().slice(
-          0,
-          10
-        );
-        const newStr = newDate.toISOString().slice(0, 10);
+        const prevStr = formatDate(maestro.AvailableActivateDateTime);
+        const newStr = formatDate(newDate);
         logs.push({
           type: "update_maestro_available_date",
           remark: `${prevStr} -> ${newStr}`,