refactor: apply MSA naming standard for DTOs and Scaffold template (Req->Request, Res->Response)

dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/dto/EmailSendRequest.java

@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className EmailSendReq
+ * @className EmailSendRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class EmailSendReq {
+public class EmailSendRequest {
 
     @McpParameter(description = "수신자 이메일 주소", required = true)
     private String emailAddress;

dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/EmailToolService.java

@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface EmailToolService {
-    Object sendEmail(EmailSendReq req);
+    Object sendEmail(EmailSendRequest req);
 }

dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/impl/EmailToolServiceImpl.java

@@ -4,7 +4,7 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.EmailToolService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.EmailSendReq;
+import io.shinhanlife.dap.mcc.dto.EmailSendRequest;
 import lombok.extern.slf4j.Slf4j;
 
 import java.util.HashMap;
@@ -30,7 +30,7 @@ public class EmailToolServiceImpl extends AbstractMcpToolService implements Emai
 
     @McpFunction(register = false, displayName = "send_email 툴", name = "send_email", description = "이메일 발송", prompt = "고객에게 이메일을 발송해줘.", mappingId = "EMAIL_SEND_001")
     @Override
-    public Object sendEmail(EmailSendReq req) {
+    public Object sendEmail(EmailSendRequest req) {
         log.info("[Email] 이메일 발송 요청 수신. 수신자: {}", req.getEmailAddress());
 
         // EAI 연동을 위한 파라미터 변환