chore: snapshot production code before Apple Design UI refinement

vehicle-data-platform/apps/api/internal/openplatform/service_test.go

@@ -47,6 +47,56 @@ func (f *fakeRepository) AuthorizedVehicles(_ context.Context, _ uint64, plates
 	f.requestedPlates = append([]string(nil), plates...)
 	return f.vehicles, nil
 }
+
+// Repository stub retains fixture values; reconciliation itself is tested with
+// actual dated observations in mileage_reconciliation_test.go.
+func (f *fakeRepository) ReconciledMileageRange(ctx context.Context, vins []string, start, end string, protocols []string) (map[string]DailyMileage, error) {
+	f.dailyVINs = append([]string(nil), vins...)
+	f.rangeVINs = append([]string(nil), vins...)
+	f.dailyProtocols = protocols
+	out := map[string]DailyMileage{}
+	carried := map[string]DailyMileage{}
+	var missing []string
+	for _, vin := range vins {
+		v, ok := f.mileage[dailyMileageKey(vin, start)]
+		if !ok {
+			v, ok = f.mileage[vin]
+		}
+		if (!ok || !validDailyMileage(v)) && !f.rollbacks[dailyMileageKey(vin, start)] {
+			missing = append(missing, vin)
+		}
+	}
+	if len(missing) > 0 {
+		prior, _ := f.LatestMileageBefore(ctx, missing, start, protocols)
+		for vin, v := range prior {
+			carried[vin] = v
+		}
+	}
+	first, _ := time.Parse("2006-01-02", start)
+	last, _ := time.Parse("2006-01-02", end)
+	for day := first; !day.After(last); day = day.AddDate(0, 0, 1) {
+		date := day.Format("2006-01-02")
+		for _, vin := range vins {
+			key := dailyMileageKey(vin, date)
+			v, ok := f.mileage[key]
+			if !ok {
+				v, ok = f.mileage[vin]
+			}
+			if ok && validDailyMileage(v) {
+				out[key] = v
+				carried[vin] = v
+			} else if f.rollbacks[key] {
+				out[key] = DailyMileage{DataQuality: mileageTotalRollbackQuality}
+				delete(carried, vin)
+			} else if v, ok = carried[vin]; ok && validDailyMileage(v) {
+				v.MileageKm = 0
+				out[key] = v
+			}
+		}
+	}
+	return out, nil
+}
+
 func (f *fakeRepository) DailyHydrogen(_ context.Context, vins []string, _ string) (map[string]DailyHydrogen, error) {
 	f.dailyVINs = append([]string(nil), vins...)
 	return f.hydrogen, nil