전체 코드, 구조 검토 - P2 코드 수정 진행

lib/upgrade-requests.ts

@@ -25,7 +25,7 @@ const upgradeRequestSearchSchema = z.object({
   q: z.string().trim().catch(""),
   status: z
     .union([z.literal("all"), z.coerce.number().int().min(0)])
-    .optional()
+    .default(REQUEST_STATUSES.REQUESTED)
     .catch(REQUEST_STATUSES.REQUESTED),
 });
 
@@ -57,7 +57,7 @@ export type UpgradeRequestListResult = {
   totalCount: number;
   totalPages: number;
   q: string;
-  status?: number | "all";
+  status: number | "all";
 };
 
 export async function getUpgradeRequests(