🐛 fix(打卡里程): 回显里程去掉两位小数

运单里程列是 decimal(18,2)，BigDecimal 经全局 ToStringSerializer 序列化后
下发成 "200.00"，而客户端按正整数校验，原样回填直接提交会被拒。

- DriverPunchNodeVO / WaybillPunchRecordItemVO 的 mileage 改 String（正整数文本）
- 新增 TransportBusinessSupport.mileageText，去尾随零后再下发
- 打卡记录单测断言同步为字符串

blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/DriverWaybillServiceImpl.java

@@ -1649,7 +1649,7 @@ public class DriverWaybillServiceImpl implements IDriverWaybillService {
 			// 里程同样只在末位卡采集：末位判定与上面同一个变量，避免两处各算一次走偏。
 			if (lastPunchNode && lastNodeNeedsMileage) {
 				vo.setNeedMileage(true);
-				vo.setMileage(waybill.getMileage());
+				vo.setMileage(TransportBusinessSupport.mileageText(waybill.getMileage()));
 			}
 			if (done) {
 				if (punched.getPunchTime() != null) {

blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/WaybillServiceImpl.java

@@ -442,7 +442,7 @@ public class WaybillServiceImpl extends BaseServiceImpl<WaybillMapper, Waybill>
 			item.setType(isTransit ? "enroute" : "node");
 			if (lastNodeNeedsMileage && !isTransit && lastPunchKey.equals(nodeCode)) {
 				item.setNeedMileage(true);
-				item.setMileage(waybill.getMileage());
+				item.setMileage(TransportBusinessSupport.mileageText(waybill.getMileage()));
 				item.setMileageLocked(punchMileageLocked);
 			}
 			item.setExceptionFlag(false);

blade-service/blade-transport/src/main/java/org/springblade/transport/support/TransportBusinessSupport.java

@@ -282,4 +282,13 @@ public final class TransportBusinessSupport {
 		return mileage;
 	}
 
+	/**
+	 * 里程回显文本：去掉列上 decimal(18,2) 带来的尾随零，使 "200.00" 下发为 "200"。
+	 * <p>
+	 * 客户端按正整数校验里程，回显成两位小数会被当成非法值拒掉——不清零就等于「原样回填不能提交」。
+	 */
+	public static String mileageText(BigDecimal mileage) {
+		return mileage == null ? null : mileage.stripTrailingZeros().toPlainString();
+	}
+
 }

blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/WaybillPunchRecordListTest.java

@@ -211,7 +211,7 @@ class WaybillPunchRecordListTest {
 		// 接单不参与司机打卡序列，末位是装货
 		assertFalse(Boolean.TRUE.equals(accept.getNeedMileage()));
 		assertTrue(Boolean.TRUE.equals(load.getNeedMileage()));
-		assertEquals(0, new BigDecimal("128").compareTo(load.getMileage()));
+		assertEquals("128", load.getMileage());
 		assertFalse(Boolean.TRUE.equals(load.getMileageLocked()));
 	}