feat(approve): 添加审批实例相关DTO、VO类及审批流程工具类

liyong

2026-05-20 79cceefe43f14643781b76def9b980398990d458

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

@@ -37,7 +37,7 @@
    @Schema(description = "最后执行时间")
    private LocalDateTime lastExecutionTime;

    @Schema(description = "设备类目")
    @Schema(description = "设备项目")
    private String machineryCategory;