fix : API_URL -> NEXT_PUBLIC_API_URL 일괄 변경

src/components/hr/EmployeeManagement/actions.ts

@@ -371,7 +371,7 @@ export async function getPositions(type?: 'rank' | 'title'): Promise<PositionIte
       searchParams.set('type', type);
     }
 
-    const url = `${process.env.API_URL}/api/v1/positions?${searchParams.toString()}`;
+    const url = `${process.env.NEXT_PUBLIC_API_URL}/api/v1/positions?${searchParams.toString()}`;
 
     const response = await fetch(url, {
       method: 'GET',
@@ -417,7 +417,7 @@ export async function getDepartments(): Promise<DepartmentItem[]> {
     const headers = await getApiHeaders();
 
     const response = await fetch(
-      `${process.env.API_URL}/api/v1/departments`,
+      `${process.env.NEXT_PUBLIC_API_URL}/api/v1/departments`,
       {
         method: 'GET',
         headers,

src/components/hr/EmployeeManagement/utils.ts

@@ -22,7 +22,7 @@ import type {
 // 프로필 이미지 URL 변환
 // ============================================
 
-const API_URL = process.env.NEXT_PUBLIC_API_URL || process.env.API_URL || '';
+const API_URL = process.env.NEXT_PUBLIC_API_URL || '';
 
 /**
  * 프로필 이미지 경로를 전체 URL로 변환