Initial commit

lib/domain/entities/workout_activity.dart

@@ -0,0 +1,24 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/training_exercise.dart';
+
+part 'workout_activity.freezed.dart';
+
+@freezed
+class WorkoutActivityEntity with _$WorkoutActivityEntity {
+  const factory WorkoutActivityEntity({
+    required String id,
+    required String name,
+    required String type,
+    required int duration,
+    TrainingExerciseEntity? originalExercise,
+    String? sectionName,
+    int? setIndex,
+    int? totalSets,
+  }) = _WorkoutActivityEntity;
+
+  const WorkoutActivityEntity._();
+
+  bool get isRest => type == 'rest';
+  bool get isWork => type == 'work';
+  bool get isTimeBased => duration > 0;
+}