feat: 新增渠道身份菜单、会话成员/标签展示、修复群聊成员 person_type 及重复同步问题

backend/mci-channel-wecom/src/main/java/com/sino/mci/channel/wecom/sync/RealWeComSyncClient.java

@@ -206,6 +206,7 @@ public class RealWeComSyncClient implements WeComSyncClient {
                     members.add(WeComConversationMember.builder()
                             .userId(member.getUserId())
                             .name(resolveMemberName(service, member))
+                            .type(member.getType())
                             .build());
                 }
             }

backend/mci-channel-wecom/src/main/java/com/sino/mci/channel/wecom/sync/WeComConversationMember.java

@@ -13,4 +13,5 @@ public class WeComConversationMember {
 
     private String userId;
     private String name;
+    private Integer type;
 }