Merge pull request 'fix: PredictionAlert 직렬화 500 에러 + 로컬 프록시 Origin 보정' (#21) from fix/alert-serialization-and-proxy-origin into main

backend/src/main/java/gc/mda/kcg/domain/event/PredictionAlert.java

@@ -5,6 +5,8 @@ import lombok.*;
 import org.hibernate.annotations.JdbcTypeCode;
 import org.hibernate.type.SqlTypes;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
 import java.math.BigDecimal;
 import java.time.OffsetDateTime;
 import java.util.Map;
@@ -44,6 +46,7 @@ public class PredictionAlert {
     @Column(columnDefinition = "jsonb")
     private Map<String, Object> metadata;
 
+    @JsonIgnore
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "event_id", insertable = false, updatable = false)
     private PredictionEvent event;

frontend/vite.config.ts

@@ -25,6 +25,9 @@ export default defineConfig({
         target: process.env.VITE_API_PROXY ?? 'https://kcg-ai-monitoring.gc-si.dev',
         changeOrigin: true,
         secure: false,
+        headers: {
+          Origin: process.env.VITE_API_PROXY ?? 'https://kcg-ai-monitoring.gc-si.dev',
+        },
       },
     },
   },