feat(device): 添加设备类目字段并重构DTO结构

liyong

2026-04-15 dc26b581fb9f8c9ce7a86b0495d67764092c3500

 src/main/java/com/ruoyi/device/pojo/DeviceMaintenance.java

@@ -38,6 +38,9 @@
    @ApiModelProperty(value = "最后执行时间")
    private LocalDateTime lastExecutionTime;

    @ApiModelProperty(value = "设备类目")
    private String machineryCategory;


    private String deviceName;