backend/src/features/fuel-logs/domain/fuel-logs.service.ts

@@ -282,8 +282,8 @@ export class FuelLogsService {
       tripDistance: row.trip_distance ?? undefined,
       fuelType: row.fuel_type as FuelType,
       fuelGrade: row.fuel_grade ?? undefined,
-      fuelUnits: row.fuel_units,
-      costPerUnit: row.cost_per_unit,
+      fuelUnits: Number(row.fuel_units),
+      costPerUnit: Number(row.cost_per_unit),
       totalCost: Number(row.total_cost),
       locationData: row.location_data ?? undefined,
       notes: row.notes ?? undefined,

frontend/src/features/fuel-logs/hooks/useFuelLogs.tsx

@@ -45,6 +45,7 @@ export const useFuelLogs = (vehicleId?: string) => {
     mutationFn: (data: CreateFuelLogRequest) => fuelLogsApi.create(data),
     onSuccess: (_res, variables) => {
       queryClient.invalidateQueries({ queryKey: ['fuelLogs', variables.vehicleId] });
+      queryClient.invalidateQueries({ queryKey: ['fuelLogs', 'all'] });
       queryClient.invalidateQueries({ queryKey: ['fuelLogsStats', variables.vehicleId] });
     },
   });