refactor(CustomerContact): 重构联系人字段命名

liyong

2026-05-07 e4fa8e197d9998c964b69dc1195773e1db1b2233

 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;