fix(device): address adapter discovery review

yeg

2026-08-26 de98fe81cca90dd855e0519f065e77fce56333ef

 ruoyi-system/src/main/java/com/ruoyi/system/mapper/TDeviceAdapterMapper.java

@@ -26,10 +26,4 @@
    int updateDetectedCabinet(TDetectionCabinet cabinet);
    int upsertDetectedChannel(TDetectionChannel channel);
    List<TDetectionChannel> selectDetectionChannelsByAdapterId(Long adapterId);

    /** 发现只追加或更新，不提供“本轮缺失即删除”的持久化操作。 */
    default int deleteMissingChannels(Long adapterId, List<String> identities)
    {
        throw new UnsupportedOperationException("Discovery must not delete missing channels");
    }
}