edit logical architecture

design/backend/logical/logical-architecture.mmd

@@ -17,7 +17,7 @@ graph TB
     end
 
     %% Kafka (Event Bus + Job Queue)
-    Kafka["Kafka<br/>━━━━━━━━━━<br/><Event Topics><br/>• EventCreated<br/>• ParticipantRegistered<br/>• WinnerSelected<br/>• DistributionCompleted<br/>━━━━━━━━━━<br/><Job Topics><br/>• ai-job<br/>• image-job<br/>• distribution-job"]
+    Kafka["Kafka<br/>━━━━━━━━━━<br/><Event Topics><br/>• EventCreated<br/>• ParticipantRegistered<br/>• WinnerSelected<br/>• DistributionCompleted<br/>━━━━━━━━━━<br/><Job Topics><br/>• ai-job<br/>• image-job"]
 
     %% External System
     External["외부시스템<br/>[Circuit Breaker]<br/>━━━━━━━━━━<br/>• 국세청 API<br/>• AI API<br/>• 이미지 생성 API<br/>• 배포 채널 APIs<br/>(비동기)"]
@@ -31,7 +31,6 @@ graph TB
     %% Job Publishing (비동기 작업 요청)
     EventSvc -->|"ai-job 발행"| Kafka
     EventSvc -->|"image-job 발행"| Kafka
-    EventSvc -->|"distribution-job<br/>발행 (비동기)"| Kafka
 
     %% Event Subscription
     Kafka -.->|"EventCreated<br/>구독"| AnalSvc
@@ -41,7 +40,9 @@ graph TB
     %% Job Subscription
     Kafka -.->|"ai-job 구독"| AISvc
     Kafka -.->|"image-job 구독"| ContentSvc
-    Kafka -.->|"distribution-job<br/>구독 (비동기)"| DistSvc
+
+    %% Service to Service (동기 호출)
+    EventSvc -->|"다중 채널 배포<br/>[Circuit Breaker]"| DistSvc
 
     %% Services to External (Resilience 패턴)
     UserSvc -->|"사업자번호 검증<br/>[Retry: 3회]"| External