修正邮件接收时间和发件人展示

server/src/main/java/cn/nianxx/thhotel/integrations/messaging/agentbus/adapter/AgentBusSourceMessageAdapter.java

@@ -45,6 +45,7 @@ public class AgentBusSourceMessageAdapter {
                 text(source, "external_conversation_id"),
                 text(frame, "id"),
                 text(frame, "session_id"),
+                firstInstant(source, "received_at", payload, "received_at"),
                 parseInstant(text(source, "sent_at")),
                 text(source, "sender"),
                 text(source, "subject"),
@@ -110,6 +111,17 @@ public class AgentBusSourceMessageAdapter {
         }
     }
 
+    /**
+     * 从两个候选字段中读取第一个可解析的时间，格式非法时继续尝试后续字段。
+     */
+    private Instant firstInstant(JsonNode firstNode, String firstField, JsonNode secondNode, String secondField) {
+        Instant firstValue = parseInstant(text(firstNode, firstField));
+        if (firstValue != null) {
+            return firstValue;
+        }
+        return parseInstant(text(secondNode, secondField));
+    }
+
     /**
      * 将渠道等稳定代码转为大写，缺失时使用服务端默认值。
      */