fix(mq): 修改RabbitMQ同步交换机名称

- 将同步交换机名称从 sync.exchange 修改为 sync.topic.exchange
- 更新相关配置以反映新的交换机名称
- 维护消息队列配置的一致性和正确性

.workbuddy/expert-history.json

@@ -35,5 +35,5 @@
       }
     ]
   },
-  "lastUpdated": 1775722264733
+  "lastUpdated": 1775724063193
 }

src/main/java/com/gxwebsoft/common/mq/config/RabbitMQConfig.java

@@ -27,7 +27,7 @@ import org.springframework.context.annotation.Configuration;
 public class RabbitMQConfig {
 
     // ==================== 常量定义 ====================
-    public static final String SYNC_EXCHANGE = "sync.exchange";
+    public static final String SYNC_EXCHANGE = "sync.topic.exchange";
     public static final String SYNC_QUEUE = "sync.queue";
     public static final String SYNC_ROUTING_KEY = "sync.message";