import "package:flutter/foundation.dart"; import "../../src/services/cost_tracker.dart" as cost_tracker; class CostProvider extends ChangeNotifier { CostProvider(); double getTotalCostUsd() => cost_tracker.getTotalCostUsd(); int getTotalInputTokens() => cost_tracker.getTotalInputTokens(); int getTotalOutputTokens() => cost_tracker.getTotalOutputTokens(); String getFormattedTotalCost() => cost_tracker.formatTotalCost(); Future refreshCost() async { notifyListeners(); } }