ElinkTransactionContext에 최초요청데이터 저장 및 가져다 쓰는 함수 추가

src/main/java/com/eactive/eai/common/context/ElinkTransactionContext.java

@@ -26,6 +26,7 @@ public class ElinkTransactionContext {
     private static final String KEY_SEED_SALT = "SEED_SALT";
     private static final String KEY_ENCRYPTION_KEY = "ENCRYPTION_KEY";
     private static final String SEED_KEY = "SEED_KEY";
+    public static final String REQUEST_BIZ_DATA = "REQUEST_BIZ_DATA";
 
     // ==================== 컨텍스트 관리 ====================
 
@@ -97,7 +98,7 @@ public class ElinkTransactionContext {
     public static String getEncryptionKey() {
         return get(KEY_ENCRYPTION_KEY);
     }
-    
+
     // ==================== 실 사용 변수 접근자 ====================
 
     public static void setSeedKey(String encryptionKey) {
@@ -107,4 +108,12 @@ public class ElinkTransactionContext {
     public static String getSeedKey() {
         return get(SEED_KEY);
     }
+
+    public static void setRequestBizData(String bizData) {
+        put(REQUEST_BIZ_DATA, bizData);
+    }
+
+    public static String getRequestBizData() {
+        return get(REQUEST_BIZ_DATA);
+    }
 }