fix(mileage): skip missing daily mileage in interval totals

src/server/routes/mileage/oneos-model.ts

@@ -14,6 +14,12 @@ export interface OneOsDailyMileage {
   sourceProtocol: OneOsProtocol | null;
 }
 
+/** Missing or unusable daily mileage must not contribute to interval statistics. */
+export function validDailyMileage(row: OneOsDailyMileage | undefined): number | null {
+  const km = row?.dailyMileageKm;
+  return row?.status === 'NORMAL' && km != null && Number.isFinite(km) && km >= 0 ? km : null;
+}
+
 const MILEAGE_DATE_PATTERN = /^\d{4}-\d{2}-\d{2}$/;
 
 export function assertMileageDate(date: string): void {