first commit

lib/providers/time_tracking_provider.dart

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+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../services/time_tracking_service.dart';
+
+// TimeTrackingService Provider
+final timeTrackingServiceProvider = Provider<TimeTrackingService>((ref) {
+  return TimeTrackingService();
+});
+
+// 权限状态 Provider
+final permissionStatusProvider = FutureProvider<bool>((ref) async {
+  final service = ref.read(timeTrackingServiceProvider);
+  return await service.hasPermission();
+});
+
+// 后台追踪状态 Provider
+final backgroundTrackingStatusProvider = FutureProvider<bool>((ref) async {
+  final service = ref.read(timeTrackingServiceProvider);
+  return await service.isBackgroundTrackingActive();
+});
+