优化

event-bridge-service/src/main/java/com/baiyue/eventbridge/controller/EventBridgeController.java

@@ -51,7 +51,8 @@ public class EventBridgeController {
         return ApiResponse.success(eventInboxService.receive(envelope));
     }
 
-    @Operation(summary = "人工补投死信事件")
+    @Operation(summary = "人工补投死信事件",
+        description = "仅允许 DEAD 事件转回 RETRY；保留原 eventId、payload 与 payloadHash，必须记录操作人与补投原因")
     @PostMapping("/events/{eventId}/replay")
     public ApiResponse<Void> replay(
             @RequestHeader(value = "X-Internal-Service-Token", required = false) String token,

event-bridge-service/src/test/java/com/baiyue/eventbridge/service/EventReplayServiceTest.java

@@ -3,8 +3,10 @@ package com.baiyue.eventbridge.service;
 import com.baiyue.eventbridge.mapper.BridgeInboxMapper;
 import org.junit.jupiter.api.Test;
 import org.springframework.test.util.ReflectionTestUtils;
+import org.apache.ibatis.annotations.Update;
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.*;
 
 class EventReplayServiceTest {
@@ -28,6 +30,16 @@ class EventReplayServiceTest {
                 .isInstanceOf(IllegalStateException.class);
     }
 
+    @Test
+    void replayOnlyRequeuesDeadStateAndDoesNotRewriteFrozenEvent() throws Exception {
+        String sql = String.join(" ", BridgeInboxMapper.class
+            .getMethod("replayDead", String.class, String.class)
+            .getAnnotation(Update.class).value()).replaceAll("\\s+", " ");
+
+        assertThat(sql).contains("status='RETRY'", "retry_count=0", "status='DEAD'")
+            .doesNotContain("payload_json=", "payload_hash=");
+    }
+
     private EventReplayService service() {
         EventReplayService service = new EventReplayService();
         ReflectionTestUtils.setField(service, "inboxMapper", mapper);